Nokia L4 Manuals

Manuals and User Guides for Nokia L4. We have 10 Nokia L4 manuals available for free PDF download: Service Manual

Nokia L4 Service Manual

Nokia L4 Service Manual (262 pages)

Brand: Nokia | Category: Cell Phone | Size: 77.97 MB
Table of contents
Warnings And Cautions4................................................................................................................................................................
Battery Information9................................................................................................................................................................
Table Of Contents15................................................................................................................................................................
Technical Specifications15................................................................................................................................................................
15................................................................................................................................................................
Product Selection17................................................................................................................................................................
Product Features And Sales Package17................................................................................................................................................................
Product And Module List19................................................................................................................................................................
Mobile Enhancements20................................................................................................................................................................
Table 1 Audio20................................................................................................................................................................
Table 2 Car21................................................................................................................................................................
Table 3 Data22................................................................................................................................................................
Table 4 Messaging22................................................................................................................................................................
Table 5 Music22................................................................................................................................................................
Transceiver General Specifications23................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma Viii (900) And Wcdma I (2100) Phones23................................................................................................................................................................
Table 6 Navigation23................................................................................................................................................................
Battery Endurance25................................................................................................................................................................
Service Tools31................................................................................................................................................................
Product Specific Tools31................................................................................................................................................................
Sa-16632................................................................................................................................................................
Rework Jigs And Stencils33................................................................................................................................................................
Rj-16934................................................................................................................................................................
St-2935................................................................................................................................................................
General Tools36................................................................................................................................................................
Fps-2139................................................................................................................................................................
Cables42................................................................................................................................................................
Ca-31d42................................................................................................................................................................
Ca-35s43................................................................................................................................................................
Ca-58rs43................................................................................................................................................................
Ca-75u43................................................................................................................................................................
Ca-89ds44................................................................................................................................................................
Dau-9s44................................................................................................................................................................
Issue45................................................................................................................................................................
Service Concepts46................................................................................................................................................................
Pos (point Of Sale) Flash Concept46................................................................................................................................................................
Flash Concept With Fps-1047................................................................................................................................................................
Flash Concept With Fps-2148................................................................................................................................................................
Module Jig Service Concept51................................................................................................................................................................
Rf Testing Concept With Rf Coupler52................................................................................................................................................................
Service Concept For Rf Testing And Rf/bb Tuning53................................................................................................................................................................
Gps Testing Concept With Gps Rf Coupler54................................................................................................................................................................
Bluetooth Testing Concept With55................................................................................................................................................................
Wlan Functionality Testing Concept With56................................................................................................................................................................
Table 7 Power57................................................................................................................................................................
Company Confidential Page59................................................................................................................................................................
Baseband Main Troubleshooting63................................................................................................................................................................
Dead Or Jammed Device Troubleshooting65................................................................................................................................................................
General Power Checking66................................................................................................................................................................
Clocking Troubleshooting68................................................................................................................................................................
Charging Troubleshooting69................................................................................................................................................................
Backup Battery Troubleshooting70................................................................................................................................................................
Flash Programming Troubleshooting72................................................................................................................................................................
Combo Memory Troubleshooting75................................................................................................................................................................
Microsd Card Troubleshooting76................................................................................................................................................................
Usb Troubleshooting78................................................................................................................................................................
Sim Card Troubleshooting79................................................................................................................................................................
Power Key Troubleshooting81................................................................................................................................................................
Vibra Troubleshooting82................................................................................................................................................................
Accelerometer Troubleshooting83................................................................................................................................................................
Touch Screen Troubleshooting83................................................................................................................................................................
Introduction To Touch Screen Troubleshooting83................................................................................................................................................................
Proximity Sensor Troubleshooting84................................................................................................................................................................
Resistive Touch Screen Troubleshooting86................................................................................................................................................................
Hardware Keys Troubleshooting88................................................................................................................................................................
Display Module Troubleshooting90................................................................................................................................................................
General Instructions For Display Troubleshooting90................................................................................................................................................................
Display Troubleshooting91................................................................................................................................................................
Display Backlights Troubleshooting93................................................................................................................................................................
Backlights And Led Driver Troubleshooting94................................................................................................................................................................
Ambient Light Sensor Troubleshooting And Re-calibration96................................................................................................................................................................
Introduction To Als Troubleshooting And Re-calibration96................................................................................................................................................................
Ambient Light Sensor Calibration97................................................................................................................................................................
Functionality Check97................................................................................................................................................................
Calibrating Als98................................................................................................................................................................
Gps Troubleshooting99................................................................................................................................................................
Gps Antenna99................................................................................................................................................................
Gps Layout And Basic Test Points100................................................................................................................................................................
Gps Rf Test Points100................................................................................................................................................................
Gps Settings For Phoenix102................................................................................................................................................................
Gps Control102................................................................................................................................................................
Oscillator Test104................................................................................................................................................................
Receiver Self Test105................................................................................................................................................................
Cw Test106................................................................................................................................................................
Quick Test Window107................................................................................................................................................................
Gps Failure Troubleshooting108................................................................................................................................................................
Gps Basic Checks Troubleshooting110................................................................................................................................................................
Bluetooth And Fm Radio111................................................................................................................................................................
Bluetooth And Fm Radio Introduction111................................................................................................................................................................
Bluetooth And Fm Radio Component Placement111................................................................................................................................................................
Bluetooth And Fm Radio Self Tests113................................................................................................................................................................
Bluetooth Ber Test113................................................................................................................................................................
Bluetooth And Fm Radio Module Troubleshooting115................................................................................................................................................................
Tv Out Troubleshooting116................................................................................................................................................................
Audio Troubleshooting117................................................................................................................................................................
Audio Troubleshooting Test Instructions117................................................................................................................................................................
Test Procedure117................................................................................................................................................................
Internal Earpiece Troubleshooting120................................................................................................................................................................
Internal Microphone Troubleshooting121................................................................................................................................................................
Internal Handsfree Speaker Troubleshooting122................................................................................................................................................................
External Microphone Troubleshooting123................................................................................................................................................................
External Headset Earpiece Troubleshooting124................................................................................................................................................................
Acoustics Troubleshooting125................................................................................................................................................................
Introduction To Acoustics Troubleshooting125................................................................................................................................................................
Earpiece Troubleshooting126................................................................................................................................................................
Ihf Troubleshooting127................................................................................................................................................................
Microphone Troubleshooting128................................................................................................................................................................
Baseband Manual Tuning Guide129................................................................................................................................................................
Certificate Restoring129................................................................................................................................................................
Energy Management Calibration130................................................................................................................................................................
General Rf Troubleshooting135................................................................................................................................................................
Introduction To Rf Troubleshooting135................................................................................................................................................................
Rf Key Components136................................................................................................................................................................
Non-replaceable Rf Components138................................................................................................................................................................
General Voltage Checking139................................................................................................................................................................
Phoenix Self Tests140................................................................................................................................................................
Vctcxo Troubleshooting142................................................................................................................................................................
Receiver Troubleshooting143................................................................................................................................................................
Introduction To Receiver (rx) Troubleshooting143................................................................................................................................................................
Rx Gsm850 Troubleshooting144................................................................................................................................................................
Rx Gsm900 Troubleshooting145................................................................................................................................................................
Rx Gsm1800 Troubleshooting146................................................................................................................................................................
Rx Gsm1900 Troubleshooting147................................................................................................................................................................
Gsm Rx Chain Activation For Manual Measurements/gsm Rssi Measurement148................................................................................................................................................................
Wcdma Receiver Troubleshooting149................................................................................................................................................................
Wcdma Rx Chain Activation For Manual Measurement150................................................................................................................................................................
Wcdma Rssi Measurement151................................................................................................................................................................
Transmitter Troubleshooting151................................................................................................................................................................
General Instructions For Transmitter (tx) Troubleshooting151................................................................................................................................................................
Gsm Transmitter Troubleshooting152................................................................................................................................................................
Tx 850/900 Troubleshooting154................................................................................................................................................................
Tx 1800/1900 Troubleshooting155................................................................................................................................................................
Checking Antenna Functionality156................................................................................................................................................................
Antenna Overview156................................................................................................................................................................
Wcdma Transmitter Troubleshooting157................................................................................................................................................................
Wcdma Transmitter Troubleshooting Flowchart160................................................................................................................................................................
Rf Tunings160................................................................................................................................................................
Introduction To Rf Tunings160................................................................................................................................................................
Autotuning For Bb5161................................................................................................................................................................
Auto Tuning Procedure161................................................................................................................................................................
System Mode Independent Manual Tunings162................................................................................................................................................................
Rf Channel Filter Calibration162................................................................................................................................................................
Pa (power Amplifier) Detection162................................................................................................................................................................
Gsm Receiver Tunings163................................................................................................................................................................
Rx Calibration (gsm)163................................................................................................................................................................
Rx Band Filter Response Compensation (gsm)165................................................................................................................................................................
Gsm Transmitter Tunings169................................................................................................................................................................
Tx Iq Tuning (gsm)169................................................................................................................................................................
Tx Power Level Tuning (gsm)170................................................................................................................................................................
Wcdma Receiver Tunings173................................................................................................................................................................
Rx Calibration (wcdma)173................................................................................................................................................................
Wcdma Transmitter Tunings175................................................................................................................................................................
Tx Agc & Power Detector (wcdma)175................................................................................................................................................................
Tx Band Response Calibration (wcdma)181................................................................................................................................................................
Tx Lo Leakage (wcdma)183................................................................................................................................................................
Wlan Troubleshooting184................................................................................................................................................................
Wlan Functionality Test Using Sb-7 And Phoenix184................................................................................................................................................................
Wlan Layout And Test Points184................................................................................................................................................................
Wlan Self Tests185................................................................................................................................................................
Wlan Functional Tests187................................................................................................................................................................
Wlan Failure Troubleshooting190................................................................................................................................................................
Wlan Basic Checks Troubleshooting191................................................................................................................................................................
Camera Tests For Phoenix197................................................................................................................................................................
Camera Failure Troubleshooting Overview198................................................................................................................................................................
Camera Hwa Failure Troubleshooting200................................................................................................................................................................
Main Camera Failure Troubleshooting201................................................................................................................................................................
Secondary Camera Failure Troubleshooting202................................................................................................................................................................
Flash Led Troubleshooting202................................................................................................................................................................
Introduction209................................................................................................................................................................
Phone Description209................................................................................................................................................................
System Module Block Diagram210................................................................................................................................................................
Energy Management210................................................................................................................................................................
Battery And Charging210................................................................................................................................................................
Backup Battery211................................................................................................................................................................
Normal And Extreme Voltages211................................................................................................................................................................
Power Key And System Power-up212................................................................................................................................................................
Modes Of Operation212................................................................................................................................................................
Power Distribution213................................................................................................................................................................
Clocking Scheme214................................................................................................................................................................
Bluetooth214................................................................................................................................................................
Fm Radio214................................................................................................................................................................
High-speed Usb215................................................................................................................................................................
Cbus Interface215................................................................................................................................................................
Fbus215................................................................................................................................................................
Eci Interface215................................................................................................................................................................
Charger Interface215................................................................................................................................................................
Sim Interface215................................................................................................................................................................
µsd Card Interface216................................................................................................................................................................
Accelerometer217................................................................................................................................................................
I/o Expander217................................................................................................................................................................
Gps Interface218................................................................................................................................................................
Wlan Functional Description220................................................................................................................................................................
Tv Out Interface223................................................................................................................................................................
Camera Concept223................................................................................................................................................................
Imaging Characteristics223................................................................................................................................................................
Imaging Hwa224................................................................................................................................................................
User Interface225................................................................................................................................................................
Resistive Touch Screen225................................................................................................................................................................
Proximity Sensor225................................................................................................................................................................
Touch Screen Controller227................................................................................................................................................................
Display227................................................................................................................................................................
Backlight And Illumination228................................................................................................................................................................
Digital Ambient Light Sensor (als)229................................................................................................................................................................
Asics230................................................................................................................................................................
Rapidoyawe230................................................................................................................................................................
Em Asic N2300 (betty)230................................................................................................................................................................
Em Asic N2200 (avilma)230................................................................................................................................................................
Device Memories231................................................................................................................................................................
Combo Memory231................................................................................................................................................................
Audio Concept231................................................................................................................................................................
Audio Hw Architecture231................................................................................................................................................................
Internal Microphone232................................................................................................................................................................
External Microphone233................................................................................................................................................................
Internal Earpiece234................................................................................................................................................................
Internal Speakers235................................................................................................................................................................
External Earpiece235................................................................................................................................................................
Vibra236................................................................................................................................................................
Av Connector237................................................................................................................................................................
Baseband Technical Specifications238................................................................................................................................................................
External Interfaces238................................................................................................................................................................
Sim If Connections239................................................................................................................................................................
Charging Interface Connections & Electrical Characteristics239................................................................................................................................................................
Internal Interfaces239................................................................................................................................................................
Back-up Battery Interface Electrical Characteristics240................................................................................................................................................................
Rf Description241................................................................................................................................................................
Block Diagram241................................................................................................................................................................
Receiver (rx)241................................................................................................................................................................
Transmitter (tx)242................................................................................................................................................................
Frequency Mappings243................................................................................................................................................................
Gsm850 Frequencies243................................................................................................................................................................
Egsm900 Frequencies244................................................................................................................................................................
Gsm1800 Frequencies245................................................................................................................................................................
Gsm1900 Frequencies246................................................................................................................................................................
Wcdma 2100 Rx Frequencies247................................................................................................................................................................
Wcdma 2100 Tx Frequencies248................................................................................................................................................................
Wcdma Viii (900) Frequencies249................................................................................................................................................................

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Nokia L4 Service Manual

Nokia L4 Service Manual (253 pages)

Brand: Nokia | Category: Cell Phone | Size: 81.44 MB
Table of contents
Warnings And Cautions4................................................................................................................................................................
Battery Information9................................................................................................................................................................
Table Of Contents15................................................................................................................................................................
Product Selection17................................................................................................................................................................
Product Features And Sales Package17................................................................................................................................................................
Music Headset (wh19................................................................................................................................................................
Sales Package20................................................................................................................................................................
Product And Module List21................................................................................................................................................................
Mobile Enhancements21................................................................................................................................................................
Table 2 Car22................................................................................................................................................................
Table 3 Data22................................................................................................................................................................
Technical Specifications23................................................................................................................................................................
Transceiver General Specifications23................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma Viii/v/iv/ii/i Phones23................................................................................................................................................................
Table 4 Messaging23................................................................................................................................................................
Battery Endurance25................................................................................................................................................................
Environmental Conditions25................................................................................................................................................................
Issue 2 Company Confidential Page27................................................................................................................................................................
Service Tools31................................................................................................................................................................
Product Specific Tools31................................................................................................................................................................
General Tools32................................................................................................................................................................
Fps-2134................................................................................................................................................................
Cables36................................................................................................................................................................
Ca-158rs37................................................................................................................................................................
Ca-31d37................................................................................................................................................................
Ca-89ds38................................................................................................................................................................
Dau-9s38................................................................................................................................................................
Service Concepts39................................................................................................................................................................
Pos (point Of Sale) Flash Concept39................................................................................................................................................................
Flashing, Certificate Restore And Product Code Change Option 240................................................................................................................................................................
Module Jig Service Concept41................................................................................................................................................................
Rf Testing And Bb/rf Tuning Concept With Module Jig42................................................................................................................................................................
Table 5 Power47................................................................................................................................................................
Baseband Main Troubleshooting51................................................................................................................................................................
Power And Charging Troubleshooting54................................................................................................................................................................
Backup Battery Troubleshooting54................................................................................................................................................................
Battery Current Measuring Fault Troubleshooting55................................................................................................................................................................
General Power Checking Troubleshooting56................................................................................................................................................................
Dead Or Jammed Device Troubleshooting57................................................................................................................................................................
Dynamo Charging Troubleshooting58................................................................................................................................................................
Clocking Troubleshooting59................................................................................................................................................................
Usb Charging Troubleshooting61................................................................................................................................................................
Interface Troubleshooting62................................................................................................................................................................
Usb Flashing Fault Troubleshooting62................................................................................................................................................................
Usb Data Interface Troubleshooting63................................................................................................................................................................
Sim Card Troubleshooting64................................................................................................................................................................
Memory Troubleshooting67................................................................................................................................................................
Microsd Card Troubleshooting67................................................................................................................................................................
External Memory Emmc Troubleshooting68................................................................................................................................................................
Nor Troubleshooting69................................................................................................................................................................
Sdram Troubleshooting70................................................................................................................................................................
Ive Troubleshooting71................................................................................................................................................................
Introduction To Ive Troubleshooting71................................................................................................................................................................
Tv Out Troubleshooting73................................................................................................................................................................
Introduction To Hdtv And Sdtv Troubleshooting73................................................................................................................................................................
Hdtv Out Troubleshooting75................................................................................................................................................................
Sdtv Out Troubleshooting76................................................................................................................................................................
Display Module Troubleshooting78................................................................................................................................................................
General Instructions For Display Troubleshooting78................................................................................................................................................................
Introduction To Display Troubleshooting79................................................................................................................................................................
Display Fault Troubleshooting81................................................................................................................................................................
Touch Panel Troubleshooting82................................................................................................................................................................
Illumination Troubleshooting83................................................................................................................................................................
Charging Illumination Troubleshooting83................................................................................................................................................................
Menu Key Backlight Troubleshooting84................................................................................................................................................................
Keyboard Troubleshooting85................................................................................................................................................................
Keys Troubleshooting85................................................................................................................................................................
Power Key Troubleshooting86................................................................................................................................................................
Sensors Troubleshooting87................................................................................................................................................................
Accelerometer Troubleshooting87................................................................................................................................................................
Magnetometer Troubleshooting88................................................................................................................................................................
Proximity Sensor Troubleshooting90................................................................................................................................................................
Als Technical Description And Troubleshooting90................................................................................................................................................................
Ambient Light Sensor (als)90................................................................................................................................................................
Als Functionality Check91................................................................................................................................................................
Re-tuning Als92................................................................................................................................................................
Als Troubleshooting93................................................................................................................................................................
Audio Troubleshooting94................................................................................................................................................................
Audio Troubleshooting Test Instructions94................................................................................................................................................................
Test Procedure94................................................................................................................................................................
External Earpiece Troubleshooting96................................................................................................................................................................
External Microphone Troubleshooting97................................................................................................................................................................
Internal Earpiece Troubleshooting98................................................................................................................................................................
Internal Handsfree (ihf) Troubleshooting99................................................................................................................................................................
Internal Microphone Troubleshooting100................................................................................................................................................................
Vibra Troubleshooting101................................................................................................................................................................
Connectivity Module Troubleshooting101................................................................................................................................................................
Introduction To Connectivity Module Troubleshooting101................................................................................................................................................................
Bluetooth/fm Radio And Wlan Troubleshooting103................................................................................................................................................................
Introduction To Bluetooth/fm Radio Troubleshooting103................................................................................................................................................................
Table 1 Audio105................................................................................................................................................................
Introduction To Wlan Troubleshooting106................................................................................................................................................................
Bluetooth And Fm Radio Self Tests In Phoenix107................................................................................................................................................................
Wlan Self Test In Phoenix108................................................................................................................................................................
Bluetooth Ber Test In Phoenix108................................................................................................................................................................
Fmrx Radio Receiver Testing109................................................................................................................................................................
Fmtx Transmitter Antenna Connectivity Test In Phoenix110................................................................................................................................................................
Fmtx Transmitter Tuning And Power Measurement In Testing And Tuning Tool111................................................................................................................................................................
Wlan Tx And Rx Testing In Phoenix114................................................................................................................................................................
Wlan Tx Bip Testing Procedure In Phoenix115................................................................................................................................................................
Wlan Tx Bip Testing Procedure In Testing And Tuning Tool116................................................................................................................................................................
Bluetooth Troubleshooting119................................................................................................................................................................
Fmrx Receiver Troubleshooting120................................................................................................................................................................
Fmtx Transmitter Troubleshooting121................................................................................................................................................................
Wlan Troubleshooting122................................................................................................................................................................
Gps Troubleshooting122................................................................................................................................................................
Introduction To Gps Troubleshooting122................................................................................................................................................................
Gps Settings For Phoenix124................................................................................................................................................................
Quick Test Window124................................................................................................................................................................
Gps Control124................................................................................................................................................................
Gps Failure Troubleshooting125................................................................................................................................................................
Gps Basic Checks Troubleshooting127................................................................................................................................................................
Baseband Manual Tuning Guide128................................................................................................................................................................
Certificate Restoring For Bb5 Products128................................................................................................................................................................
Energy Management Calibration133................................................................................................................................................................
Table137................................................................................................................................................................
General Instructions For Cellular Rf Troubleshooting139................................................................................................................................................................
Cellular Rf Key Components140................................................................................................................................................................
Cellular Rf Main Troubleshooting141................................................................................................................................................................
Self Test Troubleshooting144................................................................................................................................................................
Troubleshooting With Rf Self Tests144................................................................................................................................................................
Rf-bb Interface Self Test Troubleshooting146................................................................................................................................................................
Rf Supply Self Test Troubleshooting147................................................................................................................................................................
Vbat Level148................................................................................................................................................................
Vxo Level148................................................................................................................................................................
Vio Level149................................................................................................................................................................
Vref Level149................................................................................................................................................................
Vhia (vhi) Level150................................................................................................................................................................
Vdcdca (vlow) Level150................................................................................................................................................................
Vpa Level151................................................................................................................................................................
Rf Tuning And Testing151................................................................................................................................................................
Rf Auto Tuning And Testing With Nokia Care Suite151................................................................................................................................................................
Rf Auto Tuning Procedure152................................................................................................................................................................
Automatic Rf Testing With Nokia Care Suite156................................................................................................................................................................
Troubleshooting With Testing And Tuning Tool157................................................................................................................................................................
Manual Transmitter (tx) Testing With Phoenix160................................................................................................................................................................
General Instructions For Transmitter (tx) Activation160................................................................................................................................................................
Gsm Transmitter Activation160................................................................................................................................................................
Wcdma Transmitter Activation163................................................................................................................................................................
Manual Receiver (rx) Testing With Phoenix164................................................................................................................................................................
General Instructions For Manual Receiver Testing164................................................................................................................................................................
Gsm Rx Chain Activation For Manual Measurements/gsm Rssi Measurement165................................................................................................................................................................
Wcdma Rx Chain Activation For Manual Measurement165................................................................................................................................................................
Wcdma Rssi Measurement166................................................................................................................................................................
Antenna167................................................................................................................................................................
Antenna Overview167................................................................................................................................................................
Antenna Troubleshooting169................................................................................................................................................................
Introduction To Camera Module Troubleshooting177................................................................................................................................................................
The Effect Of Image Taking Conditions On Image Quality178................................................................................................................................................................
Phone Display180................................................................................................................................................................
Image Quality Analysis182................................................................................................................................................................
Possible Faults In Image Quality182................................................................................................................................................................
Testing For Dust In Camera Module183................................................................................................................................................................
Testing Camera Image Sharpness184................................................................................................................................................................
Effects Of Dirty Or Defective Camera Lens Protection Window185................................................................................................................................................................
Faulty Pixels In Images186................................................................................................................................................................
Flash Photography Problems187................................................................................................................................................................
Main (back) Camera Troubleshooting Flowcharts188................................................................................................................................................................
No Recognizable Viewfinder Image188................................................................................................................................................................
Bad Image Quality Troubleshooting189................................................................................................................................................................
Main Camera Troubleshooting190................................................................................................................................................................
Secondary Camera Troubleshooting192................................................................................................................................................................
Flash Troubleshooting194................................................................................................................................................................
Introduction201................................................................................................................................................................
Phone Description201................................................................................................................................................................
Key Components201................................................................................................................................................................
System Module Block Diagram205................................................................................................................................................................
Energy Management207................................................................................................................................................................
Battery And Charging207................................................................................................................................................................
Normal And Extreme Voltages207................................................................................................................................................................
Power Key And System Power Up208................................................................................................................................................................
Modes Of Operation208................................................................................................................................................................
Power Distibution209................................................................................................................................................................
Clocking Scheme210................................................................................................................................................................
Sim Interface211................................................................................................................................................................
Device Memory212................................................................................................................................................................
Bob1.0m-b Module212................................................................................................................................................................
Gps Interface214................................................................................................................................................................
Usb215................................................................................................................................................................
Usb Interface And Charging215................................................................................................................................................................
Microusb Connector215................................................................................................................................................................
Charger Interface216................................................................................................................................................................
User Interface216................................................................................................................................................................
Touch Module216................................................................................................................................................................
Proximity Sensor217................................................................................................................................................................
Imaging And Video218................................................................................................................................................................
Multimedia Application Processor218................................................................................................................................................................
Display Module218................................................................................................................................................................
Tv-out Interface218................................................................................................................................................................
Cameras219................................................................................................................................................................
Illumination220................................................................................................................................................................
Keyboard Interface221................................................................................................................................................................
Accelerometer222................................................................................................................................................................
Magnetometer223................................................................................................................................................................
Audio Concept224................................................................................................................................................................
Audio Hw Architecture224................................................................................................................................................................
Internal Earpiece226................................................................................................................................................................
Internal Handsfree (ihf) Speakers226................................................................................................................................................................
Internal Microphones226................................................................................................................................................................
External Earpiece And Microphone227................................................................................................................................................................
Vibra227................................................................................................................................................................
Av Connector228................................................................................................................................................................
Cellular Rf Technical Description228................................................................................................................................................................
Rf Block228................................................................................................................................................................
Qubbe229................................................................................................................................................................
Receiver (rx)229................................................................................................................................................................
Synthesizer229................................................................................................................................................................
Transmitter (tx)229................................................................................................................................................................
Frequency Mappings231................................................................................................................................................................
Gsm850 Frequencies231................................................................................................................................................................
Egsm900 Frequencies232................................................................................................................................................................
Gsm1800 Frequencies233................................................................................................................................................................
Gsm1900 Frequencies234................................................................................................................................................................
Wcdma I (2100) Rx Frequencies235................................................................................................................................................................
Issue251................................................................................................................................................................
Nokia L4 Service Manual

Nokia L4 Service Manual (242 pages)

Brand: Nokia | Category: Cell Phone | Size: 71.66 MB
Table of contents
Warnings And Cautions4................................................................................................................................................................
Battery Information8................................................................................................................................................................
Table Of Contents13................................................................................................................................................................
Product Selection15................................................................................................................................................................
Product Features And Sales Package15................................................................................................................................................................
Mobile Enhancements18................................................................................................................................................................
Table 1 Audio18................................................................................................................................................................
Table 2 Car19................................................................................................................................................................
Table 3 Data19................................................................................................................................................................
Table 4 Messaging19................................................................................................................................................................
Technical Specifications20................................................................................................................................................................
Transceiver General Specifications20................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma Viii/ii/i Phones20................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma V/ii/i Phones21................................................................................................................................................................
Battery Endurance23................................................................................................................................................................
Environmental Conditions23................................................................................................................................................................
Issue 2 Company Confidential Page25................................................................................................................................................................
Rm-333; Rm-334;28................................................................................................................................................................
Service Tools29................................................................................................................................................................
Product Specific Tools29................................................................................................................................................................
Mj-16130................................................................................................................................................................
General Tools31................................................................................................................................................................
Ss-10031................................................................................................................................................................
Cables32................................................................................................................................................................
Rj-22732................................................................................................................................................................
Ca-10133................................................................................................................................................................
Pcs-134................................................................................................................................................................
Service Concepts35................................................................................................................................................................
Pos (point Of Sale) Flash Concept35................................................................................................................................................................
Flash Concept With Fps-1036................................................................................................................................................................
Flash Concept With Fps-10 And Sb-6............................................................................................................. Flash Concept With Ss-46 And Ca-89ds38................................................................................................................................................................
Flash Concept With Ss-62 And Ca-89ds40................................................................................................................................................................
Flash Concept With Fps-10, Ss-62 And41................................................................................................................................................................
Module Jig Service Concept43................................................................................................................................................................
Module Jig Service Concept With44................................................................................................................................................................
Rf Testing Concept With Rf Coupler45................................................................................................................................................................
Service Concept For Rf Testing And Rf/bb Tuning46................................................................................................................................................................
Table 5 Power51................................................................................................................................................................
Baseband Main Troubleshooting53................................................................................................................................................................
General Power Checking55................................................................................................................................................................
Backup Battery Troubleshooting56................................................................................................................................................................
Dead Or Jammed Device Troubleshooting58................................................................................................................................................................
Keyboard Troubleshooting59................................................................................................................................................................
Hall Sensor Troubleshooting61................................................................................................................................................................
Tv- Out Troubleshooting62................................................................................................................................................................
General Power Checking Troubleshooting63................................................................................................................................................................
Usb Troubleshooting64................................................................................................................................................................
Sim Card Troubleshooting65................................................................................................................................................................
Microsd Card Troubleshooting66................................................................................................................................................................
Combo Memory Troubleshooting68................................................................................................................................................................
Flash Programming Troubleshooting69................................................................................................................................................................
Usb Charging Troubleshooting72................................................................................................................................................................
Clocking Troubleshooting73................................................................................................................................................................
Power Key Troubleshooting74................................................................................................................................................................
Naviscroll Troubleshooting75................................................................................................................................................................
User Interface Troubleshooting76................................................................................................................................................................
Display Troubleshooting77................................................................................................................................................................
Display77................................................................................................................................................................
Illumination Troubleshooting79................................................................................................................................................................
Led Driver Troubleshooting82................................................................................................................................................................
I/o Expander Troubleshooting83................................................................................................................................................................
Audio Troubleshooting83................................................................................................................................................................
Audio Troubleshooting Test Instructions83................................................................................................................................................................
Test Procedure84................................................................................................................................................................
External Earpiece Troubleshooting87................................................................................................................................................................
Dac33 Troubleshooting88................................................................................................................................................................
External Microphone Troubleshooting89................................................................................................................................................................
Internal Earpiece Troubleshooting90................................................................................................................................................................
Internal Handsfree Speaker Troubleshooting91................................................................................................................................................................
Internal Microphone Troubleshooting92................................................................................................................................................................
Vibra Troubleshooting93................................................................................................................................................................
Als Technical Description And Troubleshooting94................................................................................................................................................................
Ambient Light Sensor94................................................................................................................................................................
Als Troubleshooting94................................................................................................................................................................
Re-tuning Als95................................................................................................................................................................
Bluetooth And Fm Radio Troubleshooting96................................................................................................................................................................
Introduction To Bluetooth/fm Radio Troubleshooting96................................................................................................................................................................
Bluetooth Ber Test99................................................................................................................................................................
Bluetooth And Fm Radio Self Tests In Phoenix100................................................................................................................................................................
Bluetooth Troubleshooting101................................................................................................................................................................
Fm Radio Troubleshooting102................................................................................................................................................................
Fm Radio Testing103................................................................................................................................................................
Gps Troubleshooting103................................................................................................................................................................
Gps Layout And Basic Test Points103................................................................................................................................................................
Gps Settings For Phoenix104................................................................................................................................................................
Gps Control104................................................................................................................................................................
Quick Test Window105................................................................................................................................................................
Gps Failure Troubleshooting107................................................................................................................................................................
Wlan Troubleshooting107................................................................................................................................................................
General Rf Troubleshooting119................................................................................................................................................................
Introduction To Rf Troubleshooting119................................................................................................................................................................
Rf Key Components And Test Points120................................................................................................................................................................
Auto Tuning121................................................................................................................................................................
Introduction To Rf Tunings121................................................................................................................................................................
Self Test Troubleshooting121................................................................................................................................................................
Receiver Troubleshooting123................................................................................................................................................................
Introduction To Receiver (rx) Troubleshooting123................................................................................................................................................................
Gsm Rx Chain Activation For Manual Measurements/gsm Rssi Measurement123................................................................................................................................................................
Gsm Receiver Troubleshooting Flowchart124................................................................................................................................................................
Wcdma Rx Chain Activation For Manual Measurement124................................................................................................................................................................
Wcdma Rssi Measurement125................................................................................................................................................................
Wcdma Receiver Troubleshooting Flowchart127................................................................................................................................................................
Transmitter Troubleshooting127................................................................................................................................................................
General Instructions For Transmitter (tx) Troubleshooting127................................................................................................................................................................
Gsm Transmitter Troubleshooting127................................................................................................................................................................
Wcdma Transmitter Troubleshooting130................................................................................................................................................................
Antenna Troubleshooting131................................................................................................................................................................
Introduction To Camera Module Troubleshooting137................................................................................................................................................................
The Effect Of Image Taking Conditions On Image Quality138................................................................................................................................................................
Phone Display140................................................................................................................................................................
Image Quality Analysis142................................................................................................................................................................
Possible Faults In Image Quality142................................................................................................................................................................
Testing For Dust In Camera Module143................................................................................................................................................................
Testing Camera Image Sharpness144................................................................................................................................................................
Effects Of Dirty Or Defective Camera Lens Protection Window145................................................................................................................................................................
Faulty Pixels In Images146................................................................................................................................................................
Flash Photography Problems147................................................................................................................................................................
Main (back) Camera Troubleshooting Flowcharts148................................................................................................................................................................
Main Camera Troubleshooting148................................................................................................................................................................
Main Camera Baseband Troubleshooting149................................................................................................................................................................
Main Camera Baseband Troubleshooting - Powerings150................................................................................................................................................................
No Recognizable Viewfinder Image151................................................................................................................................................................
Bad Image Quality Troubleshooting152................................................................................................................................................................
Flash Troubleshooting153................................................................................................................................................................
Secondary (front) Camera Troubleshooting Flow154................................................................................................................................................................
Accelerometer Troubleshooting155................................................................................................................................................................
Functional Description161................................................................................................................................................................
System Block Diagram162................................................................................................................................................................
Fmtx 2.1 Schematic169................................................................................................................................................................
Fmtx 2.1 Component Layout169................................................................................................................................................................
Fmtx 2.1 Pwb Traces170................................................................................................................................................................
Specific Digital And Power Supply Test Points170................................................................................................................................................................
Fmtx2.1 Specific Rf Test Points171................................................................................................................................................................
Specific Clock Test Points171................................................................................................................................................................
General Visual Inspection Guidelines171................................................................................................................................................................
Fmtx2.1 Troubleshooting172................................................................................................................................................................
Fmtx2.1 Antenna Visual Inspection Troubleshooting173................................................................................................................................................................
Fmtx2.1 Audio Path Visual Inspection Troubleshooting174................................................................................................................................................................
Fmtx2.1 Si4713 Visual Inspection Troubleshooting175................................................................................................................................................................
Checking Validity Of Signals175................................................................................................................................................................
Fmtx2.1 Troubleshooting Faults176................................................................................................................................................................
Phoenix Pc Tool176................................................................................................................................................................
Introduction185................................................................................................................................................................
Phone Description185................................................................................................................................................................
System Module Block Diagram186................................................................................................................................................................
Energy Management187................................................................................................................................................................
Battery And Charging187................................................................................................................................................................
Backup Battery187................................................................................................................................................................
Normal And Extreme Voltages188................................................................................................................................................................
Power Key And System Power-up188................................................................................................................................................................
Power Distribution189................................................................................................................................................................
Clocking Scheme190................................................................................................................................................................
Bluetooth And Fm Rds Radio Module191................................................................................................................................................................
Gps Module192................................................................................................................................................................
Wlan Module193................................................................................................................................................................
Fm Transmitter Module193................................................................................................................................................................
High-speed Usb193................................................................................................................................................................
Cbus Interface194................................................................................................................................................................
Fbus Interface194................................................................................................................................................................
Eci Interface194................................................................................................................................................................
Usb Charger Interface194................................................................................................................................................................
Sim Interface195................................................................................................................................................................
Microsd Card Interface196................................................................................................................................................................
Camera Concept196................................................................................................................................................................
User Interface197................................................................................................................................................................
Display Module198................................................................................................................................................................
Display Features198................................................................................................................................................................
Display Interface198................................................................................................................................................................
I/o Expander And Keyboard199................................................................................................................................................................
Illumination201................................................................................................................................................................
Naviscroll202................................................................................................................................................................
Asics203................................................................................................................................................................
Rapidoyawe203................................................................................................................................................................
Em Asic Betty N2300203................................................................................................................................................................
Em Asic Vilma N2200203................................................................................................................................................................
Device Memories204................................................................................................................................................................
Combo Memory204................................................................................................................................................................
Audio Concept204................................................................................................................................................................
Audio Hw Architecture204................................................................................................................................................................
Internal Microphone205................................................................................................................................................................
Internal Earpiece205................................................................................................................................................................
Internal Speakers206................................................................................................................................................................
Vibra Circuitry206................................................................................................................................................................
Accessory Av Connector207................................................................................................................................................................
External Earpiece And Microphone208................................................................................................................................................................
Baseband Technical Specifications209................................................................................................................................................................
External Interfaces209................................................................................................................................................................
Sim If Connections209................................................................................................................................................................
Charger Connector And Charging Interface Connections & Electrical Characteristics209................................................................................................................................................................
Internal Interfaces210................................................................................................................................................................
Back-up Battery Interface Electrical Characteristics210................................................................................................................................................................
Rf Technical Description211................................................................................................................................................................
Rf Block Diagram211................................................................................................................................................................
General Information229................................................................................................................................................................
Rm-335 Product Data229................................................................................................................................................................
Sales Package229................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 (quadband) And Edge Phones230................................................................................................................................................................
Bb Troubleshooting231................................................................................................................................................................
Bb Hw Differences Between Rm-335 And Rm-333231................................................................................................................................................................
Rf Troubleshooting231................................................................................................................................................................
Rm-335 Rf Block231................................................................................................................................................................

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Nokia L4 Service Manual

Nokia L4 Service Manual (234 pages)

Brand: Nokia | Category: Cell Phone | Size: 19.41 MB
Table of contents
Warnings And Cautions4................................................................................................................................................................
Battery Information8................................................................................................................................................................
Table Of Contents13................................................................................................................................................................
Product Selection15................................................................................................................................................................
Product Features And Sales Package15................................................................................................................................................................
Sales Package18................................................................................................................................................................
Mobile Enhancements18................................................................................................................................................................
Table 2 Car19................................................................................................................................................................
Table 3 Data19................................................................................................................................................................
Technical Specifications20................................................................................................................................................................
Transceiver General Specifications20................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma Viii (900) And Wcdma I (2100) Phones20................................................................................................................................................................
Table 4 Gps20................................................................................................................................................................
Table 5 Messaging20................................................................................................................................................................
Table 6 Power20................................................................................................................................................................
Table 7 Carrying20................................................................................................................................................................
Gsm180021................................................................................................................................................................
Battery Endurance22................................................................................................................................................................
Charging Times22................................................................................................................................................................
Issue24................................................................................................................................................................
Service Tools27................................................................................................................................................................
Cables36................................................................................................................................................................
Ca-112ds37................................................................................................................................................................
Ca-128rs37................................................................................................................................................................
Ca-31d38................................................................................................................................................................
Ca-35s38................................................................................................................................................................
Ca-89ds38................................................................................................................................................................
Service Concepts40................................................................................................................................................................
Pos (point Of Sale) Flash Concept40................................................................................................................................................................
Flash Concept With Fps-1041................................................................................................................................................................
Flash Concept With Fps-10 And Jbt-943................................................................................................................................................................
Flash Concept With Ss-46 And Ca-89ds44................................................................................................................................................................
Flash Concept With Ss-62 And Ca-89ds45................................................................................................................................................................
Flash Concept With Fps-10, Ss-62 And Jbt-946................................................................................................................................................................
Flash Concept With Fps-10, Ss-62 And47................................................................................................................................................................
Phoenix Self Test Troubleshooting59................................................................................................................................................................
Dead Or Jammed Device Troubleshooting62................................................................................................................................................................
General Power Checking Troubleshooting - Cmt63................................................................................................................................................................
General Power Checking Troubleshooting - Ape64................................................................................................................................................................
Clocking Troubleshooting65................................................................................................................................................................
Application Processor Troubleshooting66................................................................................................................................................................
Charging Troubleshooting67................................................................................................................................................................
Battery Current Measuring Fault Troubleshooting68................................................................................................................................................................
Flash Programming Fault Troubleshooting69................................................................................................................................................................
Led Camera Flash Troubleshooting72................................................................................................................................................................
Cmt Combo Memory Fault Troubleshooting73................................................................................................................................................................
Mass Memory Troubleshooting74................................................................................................................................................................
Application Processor Memory Troubleshooting75................................................................................................................................................................
Tv-out Troubleshooting76................................................................................................................................................................
Power Key Troubleshooting77................................................................................................................................................................
Lock Key Troubleshooting78................................................................................................................................................................
High-speed Usb Interface Troubleshooting79................................................................................................................................................................
Sim Card Troubleshooting80................................................................................................................................................................
Memory Card Troubleshooting81................................................................................................................................................................
Wlan Interface Troubleshooting82................................................................................................................................................................
Keyboard Troubleshooting82................................................................................................................................................................
Hall Sensor Troubleshooting84................................................................................................................................................................
Fm Radio Troubleshooting85................................................................................................................................................................
Certificate Restoring For Bb5 Products86................................................................................................................................................................
Gps Troubleshooting92................................................................................................................................................................
Gps Layout And Basic Test Points92................................................................................................................................................................
Gps Settings For Phoenix92................................................................................................................................................................
Gps Control92................................................................................................................................................................
Quick Test Window93................................................................................................................................................................
Gps Rf Test Points94................................................................................................................................................................
Gps Failure Troubleshooting95................................................................................................................................................................
Gps Basic Checks Troubleshooting97................................................................................................................................................................
Display Module Troubleshooting98................................................................................................................................................................
General Instructions For Display Troubleshooting98................................................................................................................................................................
Display Troubleshooting100................................................................................................................................................................
Display Backlight Troubleshooting101................................................................................................................................................................
Keypad Backlight Troubleshooting102................................................................................................................................................................
Accelerometer Troubleshooting103................................................................................................................................................................
Backlights Controlling In Phoenix103................................................................................................................................................................
Backlights Controlling In103................................................................................................................................................................
Switching Display Lighting On Using Phoenix103................................................................................................................................................................
Switching Display Lighting Off Using Phoenix104................................................................................................................................................................
Switching S60 Keyboard Lighting On Using Phoenix105................................................................................................................................................................
Switching S60 Keyboard Lighting Off Using Phoenix105................................................................................................................................................................
Switching Itu (numeric) Keyboard Lighting On Using Phoenix106................................................................................................................................................................
Switching Itu (numeric) Keyboard Lighting Off Using Phoenix107................................................................................................................................................................
Switching Sidemedia Keys Lighting On Using Phoenix107................................................................................................................................................................
Switching Sidemedia Keys Lighting Off Using Phoenix108................................................................................................................................................................
Switching Gaming Keys Lighting On Using Phoenix109................................................................................................................................................................
Switching Gaming Keys Lighting Off Using Phoenix109................................................................................................................................................................
Company Confidential109................................................................................................................................................................
Switching Navi Key Lighting On Using Phoenix110................................................................................................................................................................
Switching Navi Key Lighting Off Using Phoenix111................................................................................................................................................................
Switching Frontmedia Key Lighting On Using Phoenix111................................................................................................................................................................
Switching Frontmedia Key Lighting Off Using Phoenix112................................................................................................................................................................
Bluetooth Troubleshooting113................................................................................................................................................................
Introduction To Bluetooth Troubleshooting113................................................................................................................................................................
Bluetooth Settings For Phoenix114................................................................................................................................................................
Bluetooth Self Tests In Phoenix115................................................................................................................................................................
Audio Troubleshooting118................................................................................................................................................................
Audio Paths118................................................................................................................................................................
Audio Loop Test118................................................................................................................................................................
Internal Earpiece Troubleshooting119................................................................................................................................................................
Internal Microphone Troubleshooting120................................................................................................................................................................
Stereo Speakers Troubleshooting121................................................................................................................................................................
Av Stereo Output Troubleshooting122................................................................................................................................................................
Av Mono Input Troubleshooting123................................................................................................................................................................
Vibra Troubleshooting124................................................................................................................................................................
Baseband Manual Tuning Guide124................................................................................................................................................................
Energy Management Calibration124................................................................................................................................................................
General Rf Troubleshooting131................................................................................................................................................................
Introduction To Rf Troubleshooting131................................................................................................................................................................
Rf Key Components132................................................................................................................................................................
Auto Tuning For Bb5.0133................................................................................................................................................................
Wlan Autotuning133................................................................................................................................................................
Auto Tuning Procedure133................................................................................................................................................................
General Chekings134................................................................................................................................................................
Antenna Line Component Checking134................................................................................................................................................................
Voltage Checking134................................................................................................................................................................
Hardware Setup134................................................................................................................................................................
Self Test Troubleshooting137................................................................................................................................................................
Receiver Troubleshooting138................................................................................................................................................................
Introduction To Receiver (rx) Troubleshooting138................................................................................................................................................................
Gsm Rx Chain Activation For Manual Measurements/gsm Rssi Measurement138................................................................................................................................................................
Wcdma Rx Chain Activation For Manual Measurement/wcdma Rssi Measurement139................................................................................................................................................................
Transmitter Troubleshooting140................................................................................................................................................................
General Instructions For Transmitter (tx) Troubleshooting140................................................................................................................................................................
Gsm Transmitter Troubleshooting140................................................................................................................................................................
Gsm Transmitter Troubleshooting Flowchart143................................................................................................................................................................
Wcdma Transmitter Troubleshooting143................................................................................................................................................................
Wcdma Transmitter Troubleshooting Flowchart145................................................................................................................................................................
Wlan Rf Troubleshooting145................................................................................................................................................................
Introduction To Wlan Rf Troubleshooting145................................................................................................................................................................
General Wlan Rf Troubleshooting146................................................................................................................................................................
Radiated Testing With Battery Cover146................................................................................................................................................................
Conducted Testing With Mj-131 Module Jig147................................................................................................................................................................
Conducted Wlan Troubleshooting149................................................................................................................................................................
Wlan Front-end Test149................................................................................................................................................................
Wlan Front-end Troubleshooting151................................................................................................................................................................
Wlan Asic Test151................................................................................................................................................................
Wlan Asic Troubleshooting154................................................................................................................................................................
Wlan Tx Power Autotuning154................................................................................................................................................................
Main (back) Camera Troubleshooting Flowcharts159................................................................................................................................................................
Main Camera Troubleshooting159................................................................................................................................................................
Main Camera Baseband Troubleshooting160................................................................................................................................................................
Main Camera Baseband Troubleshooting - Powerings161................................................................................................................................................................
Main Camera Viewfinder Troubleshooting162................................................................................................................................................................
Bad Image Quality Troubleshooting163................................................................................................................................................................
Privacy Led And Flash Led Troubleshooting164................................................................................................................................................................
Secondary (front) Camera Troubleshooting166................................................................................................................................................................
Service Instructions171................................................................................................................................................................
Service Instructions For Dvb-h Repairs171................................................................................................................................................................
Dvb-h Setup And Self Test171................................................................................................................................................................
Setup For Dvb-h Self Test171................................................................................................................................................................
Dvb-h Self Test171................................................................................................................................................................
Dvb-h Rf Test Measurement172................................................................................................................................................................
Radiated Dvb-h Rf Test Measurement With Willtek 4403 Universal Coupler172................................................................................................................................................................
Galvanic Dvb-h Rf Test Measurement With Fs-51174................................................................................................................................................................
Galvanic Dvb-h Rf Test Measurement With Module Jig176................................................................................................................................................................
Dvb-h Engine R5 Measurement Guide177................................................................................................................................................................
Dvb-h Troubleshooting179................................................................................................................................................................
Baseband Description185................................................................................................................................................................
System Module Block Diagram185................................................................................................................................................................
Baseband Functional Description185................................................................................................................................................................
Absolute Maximum Ratings186................................................................................................................................................................
Phone Modes Of Operation186................................................................................................................................................................
Power Key187................................................................................................................................................................
Power Distribution188................................................................................................................................................................
Clocking Scheme190................................................................................................................................................................
Bluetooth And Fm Radio193................................................................................................................................................................
Bluetooth193................................................................................................................................................................
Fm Radio193................................................................................................................................................................
Bluetooth And Fm Radio Block Diagram194................................................................................................................................................................
Wlan194................................................................................................................................................................
Gps Interface196................................................................................................................................................................
High-speed Usb197................................................................................................................................................................
Sim Interface197................................................................................................................................................................
Internal Mass Memory Interface198................................................................................................................................................................
Sd Card Interface198................................................................................................................................................................
Tv-out Interface199................................................................................................................................................................
Dvb-h Interface200................................................................................................................................................................
Battery Interface200................................................................................................................................................................
Camera Interfaces201................................................................................................................................................................
Camera System201................................................................................................................................................................
Main Camera Characteristics202................................................................................................................................................................
Camera Flash203................................................................................................................................................................
Flash Led And Privacy Led204................................................................................................................................................................
Secondary Camera Characteristics205................................................................................................................................................................
Accelerometer205................................................................................................................................................................
Audio Concept205................................................................................................................................................................
Audio Hw Architecture205................................................................................................................................................................
Internal Microphone206................................................................................................................................................................
External Microphone206................................................................................................................................................................
Internal Earpiece207................................................................................................................................................................
Internal Speaker207................................................................................................................................................................
External Earpiece207................................................................................................................................................................
Av Connector208................................................................................................................................................................
User Interface209................................................................................................................................................................
Display209................................................................................................................................................................
Display Features209................................................................................................................................................................
Display And Keyboard Backlight210................................................................................................................................................................
Keyboard211................................................................................................................................................................
Slide Position Sensors212................................................................................................................................................................
Rf Description213................................................................................................................................................................
Block Diagram213................................................................................................................................................................
Receiver (rx)213................................................................................................................................................................
Transmitter (tx)214................................................................................................................................................................
Frequency Mappings215................................................................................................................................................................
Gsm850 Frequencies215................................................................................................................................................................
Egsm900 Frequencies216................................................................................................................................................................
Gsm1800 Frequencies217................................................................................................................................................................
Gsm1900 Frequencies218................................................................................................................................................................
Wcdma 2100 Rx Frequencies219................................................................................................................................................................
Nokia L4 Service Manual

Nokia L4 Service Manual (232 pages)

Brand: Nokia | Category: Cell Phone | Size: 70.28 MB
Table of contents
Warnings And Cautions4................................................................................................................................................................
Battery Information8................................................................................................................................................................
Table Of Contents13................................................................................................................................................................
Product Selection15................................................................................................................................................................
Product Features And Sales Package16................................................................................................................................................................
Mobile Enhancements19................................................................................................................................................................
Table 1 Audio19................................................................................................................................................................
Table 2 Car19................................................................................................................................................................
Table 3 Data19................................................................................................................................................................
Technical Specifications20................................................................................................................................................................
Transceiver General Specifications20................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma Viii/ii/i Phones20................................................................................................................................................................
Table 4 Messaging20................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma V/ii/i Phones22................................................................................................................................................................
Battery Endurance23................................................................................................................................................................
Environmental Conditions23................................................................................................................................................................
Issue 1 Company Confidential Page25................................................................................................................................................................
Service Tools29................................................................................................................................................................
Product Specific Tools29................................................................................................................................................................
Cables30................................................................................................................................................................
Rj-23030................................................................................................................................................................
Ca-10131................................................................................................................................................................
Pcs-132................................................................................................................................................................
Service Concepts33................................................................................................................................................................
Pos (point Of Sale) Flash Concept33................................................................................................................................................................
Flash Concept With Fps-1034................................................................................................................................................................
Flash Concept With Fps-10 And Sb-6............................................................................................................. Flash Concept With Ss-46 And Ca-89ds36................................................................................................................................................................
Flash Concept With Ss-62 And Ca-89ds38................................................................................................................................................................
Flash Concept With Fps-10, Ss-62 And39................................................................................................................................................................
Module Jig Service Concept41................................................................................................................................................................
Module Jig Service Concept With42................................................................................................................................................................
Rf Testing Concept With Rf Coupler43................................................................................................................................................................
Service Concept For Rf Testing And Rf/bb Tuning44................................................................................................................................................................
Table 5 Power49................................................................................................................................................................
Baseband Main Troubleshooting51................................................................................................................................................................
General Power Checking53................................................................................................................................................................
Backup Battery Troubleshooting54................................................................................................................................................................
Dead Or Jammed Device Troubleshooting56................................................................................................................................................................
Keyboard Troubleshooting57................................................................................................................................................................
Hall Sensor Troubleshooting59................................................................................................................................................................
Tv- Out Troubleshooting60................................................................................................................................................................
General Power Checking Troubleshooting61................................................................................................................................................................
Usb Troubleshooting62................................................................................................................................................................
Sim Card Troubleshooting63................................................................................................................................................................
Microsd Card Troubleshooting64................................................................................................................................................................
Combo Memory Troubleshooting66................................................................................................................................................................
Flash Programming Troubleshooting67................................................................................................................................................................
Usb Charging Troubleshooting70................................................................................................................................................................
Clocking Troubleshooting71................................................................................................................................................................
Power Key Troubleshooting72................................................................................................................................................................
User Interface Troubleshooting73................................................................................................................................................................
Accelerometer Troubleshooting74................................................................................................................................................................
Magnetometer Troubleshooting76................................................................................................................................................................
Display Troubleshooting79................................................................................................................................................................
Display79................................................................................................................................................................
Illumination Troubleshooting81................................................................................................................................................................
Led Driver Troubleshooting84................................................................................................................................................................
I/o Expander Troubleshooting85................................................................................................................................................................
Audio Troubleshooting85................................................................................................................................................................
Audio Troubleshooting Test Instructions85................................................................................................................................................................
Test Procedure86................................................................................................................................................................
External Earpiece Troubleshooting89................................................................................................................................................................
Dac33 Troubleshooting90................................................................................................................................................................
External Microphone Troubleshooting91................................................................................................................................................................
Internal Earpiece Troubleshooting92................................................................................................................................................................
Internal Handsfree Speaker Troubleshooting93................................................................................................................................................................
Internal Microphone Troubleshooting94................................................................................................................................................................
Vibra Troubleshooting95................................................................................................................................................................
Als Technical Description And Troubleshooting96................................................................................................................................................................
Ambient Light Sensor96................................................................................................................................................................
Als Troubleshooting96................................................................................................................................................................
Re-tuning Als97................................................................................................................................................................
Bluetooth And Fm Radio Troubleshooting98................................................................................................................................................................
Introduction To Bluetooth/fm Radio Troubleshooting98................................................................................................................................................................
Bluetooth Ber Test101................................................................................................................................................................
Bluetooth And Fm Radio Self Tests In Phoenix101................................................................................................................................................................
Bluetooth Troubleshooting103................................................................................................................................................................
Fm Radio Troubleshooting104................................................................................................................................................................
Fm Radio Testing105................................................................................................................................................................
Gps Troubleshooting105................................................................................................................................................................
Gps Layout And Basic Test Points105................................................................................................................................................................
Gps Settings For Phoenix106................................................................................................................................................................
Gps Control106................................................................................................................................................................
Quick Test Window107................................................................................................................................................................
Gps Failure Troubleshooting107................................................................................................................................................................
Company Confidential107................................................................................................................................................................
General Rf Troubleshooting121................................................................................................................................................................
Introduction To Rf Troubleshooting121................................................................................................................................................................
Rf Key Components And Test Points122................................................................................................................................................................
Auto Tuning123................................................................................................................................................................
Introduction To Rf Tunings123................................................................................................................................................................
Self Test Troubleshooting123................................................................................................................................................................
Receiver Troubleshooting125................................................................................................................................................................
Introduction To Receiver (rx) Troubleshooting125................................................................................................................................................................
Gsm Rx Chain Activation For Manual Measurements/gsm Rssi Measurement125................................................................................................................................................................
Gsm Receiver Troubleshooting Flowchart126................................................................................................................................................................
Wcdma Rx Chain Activation For Manual Measurement126................................................................................................................................................................
Wcdma Rssi Measurement127................................................................................................................................................................
Wcdma Receiver Troubleshooting Flowchart129................................................................................................................................................................
Transmitter Troubleshooting129................................................................................................................................................................
General Instructions For Transmitter (tx) Troubleshooting129................................................................................................................................................................
Gsm Transmitter Troubleshooting129................................................................................................................................................................
Wcdma Transmitter Troubleshooting132................................................................................................................................................................
Antenna Troubleshooting133................................................................................................................................................................
Introduction To Camera Module Troubleshooting139................................................................................................................................................................
The Effect Of Image Taking Conditions On Image Quality140................................................................................................................................................................
Phone Display141................................................................................................................................................................
Image Quality Analysis144................................................................................................................................................................
Possible Faults In Image Quality144................................................................................................................................................................
Testing For Dust In Camera Module144................................................................................................................................................................
Testing Camera Image Sharpness145................................................................................................................................................................
Effects Of Dirty Or Defective Camera Lens Protection Window146................................................................................................................................................................
Faulty Pixels In Images147................................................................................................................................................................
Flash Photography Problems148................................................................................................................................................................
Main (back) Camera Troubleshooting Flowcharts149................................................................................................................................................................
Image Or Video Capture Troubleshooting149................................................................................................................................................................
Ive Basic Checks150................................................................................................................................................................
No Recognizable Viewfinder Image151................................................................................................................................................................
Bad Image Quality Troubleshooting152................................................................................................................................................................
Flash Troubleshooting153................................................................................................................................................................
Functional Description159................................................................................................................................................................
System Block Diagram160................................................................................................................................................................
Fmtx 2.1 Schematic167................................................................................................................................................................
Fmtx 2.1 Component Layout167................................................................................................................................................................
Fmtx 2.1 Pwb Traces168................................................................................................................................................................
Specific Digital And Power Supply Test Points168................................................................................................................................................................
Fmtx2.1 Specific Rf Test Points169................................................................................................................................................................
Specific Clock Test Points169................................................................................................................................................................
General Visual Inspection Guidelines169................................................................................................................................................................
Fmtx2.1 Troubleshooting170................................................................................................................................................................
Fmtx2.1 Antenna Visual Inspection Troubleshooting171................................................................................................................................................................
Fmtx2.1 Audio Path Visual Inspection Troubleshooting172................................................................................................................................................................
Fmtx2.1 Si4713 Visual Inspection Troubleshooting173................................................................................................................................................................
Checking Validity Of Signals173................................................................................................................................................................
Fmtx2.1 Troubleshooting Faults174................................................................................................................................................................
Phoenix Pc Tool174................................................................................................................................................................
Introduction185................................................................................................................................................................
Phone Description185................................................................................................................................................................
System Module Block Diagram186................................................................................................................................................................
Energy Management187................................................................................................................................................................
Battery And Charging187................................................................................................................................................................
Backup Battery187................................................................................................................................................................
Normal And Extreme Voltages188................................................................................................................................................................
Power Key And System Power-up188................................................................................................................................................................
Power Distribution189................................................................................................................................................................
Clocking Scheme190................................................................................................................................................................
Magnetometer191................................................................................................................................................................
Bluetooth And Fm Rds Radio Module191................................................................................................................................................................
Gps Module192................................................................................................................................................................
Wlan Module193................................................................................................................................................................
Fm Transmitter Module193................................................................................................................................................................
High-speed Usb193................................................................................................................................................................
Cbus Interface194................................................................................................................................................................
Fbus Interface194................................................................................................................................................................
Eci Interface194................................................................................................................................................................
Usb Charger Interface194................................................................................................................................................................
Sim Interface195................................................................................................................................................................
Nokia195................................................................................................................................................................
Microsd Card Interface196................................................................................................................................................................
Camera Concept196................................................................................................................................................................
User Interface197................................................................................................................................................................
Ui/slide Module197................................................................................................................................................................
Display Module198................................................................................................................................................................
Display Features198................................................................................................................................................................
Display Interface198................................................................................................................................................................
I/o Expanders And Keyboards199................................................................................................................................................................
Illumination200................................................................................................................................................................
Asics202................................................................................................................................................................
Rapidoyawe202................................................................................................................................................................
Em Asic Betty N2300202................................................................................................................................................................
Em Asic Vilma N2200202................................................................................................................................................................
Device Memories203................................................................................................................................................................
Combo Memory203................................................................................................................................................................
Audio Concept203................................................................................................................................................................
Audio Hw Architecture203................................................................................................................................................................
Internal Microphone204................................................................................................................................................................
Internal Earpiece204................................................................................................................................................................
Internal Speakers205................................................................................................................................................................
Vibra Circuitry205................................................................................................................................................................
Accessory Av Connector206................................................................................................................................................................
External Earpiece And Microphone207................................................................................................................................................................
Baseband Technical Specifications208................................................................................................................................................................
External Interfaces208................................................................................................................................................................
Sim If Connections208................................................................................................................................................................
Charger Connector And Charging Interface Connections & Electrical Characteristics208................................................................................................................................................................
Internal Interfaces209................................................................................................................................................................
Back-up Battery Interface Electrical Characteristics209................................................................................................................................................................
Rf Technical Description210................................................................................................................................................................
Rf Block Diagram210................................................................................................................................................................
Nokia L4 Service Manual

Nokia L4 Service Manual (222 pages)

Brand: Nokia | Category: Cell Phone | Size: 54.65 MB
Table of contents
Table Of Contents13................................................................................................................................................................
Product Selection15................................................................................................................................................................
Product Features And Sales Package15................................................................................................................................................................
Mobile Enhancements18................................................................................................................................................................
Technical Specifications18................................................................................................................................................................
Table 1 Audio18................................................................................................................................................................
Table 2 Car19................................................................................................................................................................
Table 3 Data20................................................................................................................................................................
Table 5 Messaging20................................................................................................................................................................
Table 6 Power20................................................................................................................................................................
Table 7 Carrying20................................................................................................................................................................
Transceiver General Specifications21................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma Viii (900) And Wcdma I (2100) Phones21................................................................................................................................................................
Battery Endurance22................................................................................................................................................................
Environmental Conditions22................................................................................................................................................................
Service Tools29................................................................................................................................................................
Product Specific Tools29................................................................................................................................................................
Spare Locking Part For Fs-5830................................................................................................................................................................
General Tools31................................................................................................................................................................
Cables32................................................................................................................................................................
Service Concepts35................................................................................................................................................................
Pos (point Of Sale) Flash Concept35................................................................................................................................................................
Flash Concept With Fps-1036................................................................................................................................................................
Flash Concept With Fps-10 And Sb-6............................................................................................................. Flash Concept With Ss-46 And Ca-89ds38................................................................................................................................................................
Flash Concept With Ss-62 And Ca-89ds40................................................................................................................................................................
Flash Concept With Fps-10, Ss-62 And41................................................................................................................................................................
Module Jig Service Concept43................................................................................................................................................................
Module Jig Service Concept With44................................................................................................................................................................
Rf Testing Concept With Rf Coupler45................................................................................................................................................................
Service Concept For Rf Testing And Rf/bb Tuning47................................................................................................................................................................
Table 4 Gps51................................................................................................................................................................
List Of Figures51................................................................................................................................................................
Baseband Main Troubleshooting53................................................................................................................................................................
General Power Checking54................................................................................................................................................................
Backup Battery Troubleshooting55................................................................................................................................................................
Dead Or Jammed Device Troubleshooting57................................................................................................................................................................
Usb Troubleshooting58................................................................................................................................................................
Sim Card Troubleshooting59................................................................................................................................................................
Microsd Card Troubleshooting61................................................................................................................................................................
Combo Memory Troubleshooting63................................................................................................................................................................
Flash Programming Troubleshooting64................................................................................................................................................................
Charging Troubleshooting67................................................................................................................................................................
Clocking Troubleshooting68................................................................................................................................................................
Power Key Troubleshooting69................................................................................................................................................................
User Interface Troubleshooting70................................................................................................................................................................
Display Technical Description And Troubleshooting71................................................................................................................................................................
Display71................................................................................................................................................................
Display Troubleshooting71................................................................................................................................................................
Display Backlight And Illumination Troubleshooting74................................................................................................................................................................
Led Driver Troubleshooting75................................................................................................................................................................
Audio Troubleshooting76................................................................................................................................................................
External Earpiece Troubleshooting 1 And 276................................................................................................................................................................
External Microphone Troubleshooting78................................................................................................................................................................
Internal Earpiece Troubleshooting79................................................................................................................................................................
Internal Handsfree Speaker Troubleshooting80................................................................................................................................................................
Internal Microphone Troubleshooting81................................................................................................................................................................
Als Technical Description And Troubleshooting82................................................................................................................................................................
Ambient Light Sensor82................................................................................................................................................................
Als Troubleshooting82................................................................................................................................................................
Re-tuning Als83................................................................................................................................................................
Bluetooth And Fm Radio Troubleshooting85................................................................................................................................................................
Introduction To Bluetooth/fm Radio Troubleshooting85................................................................................................................................................................
Bluetooth Ber Test88................................................................................................................................................................
Bluetooth And Fm Radio Self Tests In Phoenix88................................................................................................................................................................
Fm Radio Testing89................................................................................................................................................................
Bluetooth Troubleshooting91................................................................................................................................................................
Fm Radio Troubleshooting92................................................................................................................................................................
Gps Troubleshooting93................................................................................................................................................................
Gps Layout And Basic Test Points93................................................................................................................................................................
Gps Settings For Phoenix93................................................................................................................................................................
Gps Control93................................................................................................................................................................
Quick Test Window94................................................................................................................................................................
Gps Failure Troubleshooting96................................................................................................................................................................
Wlan Troubleshooting97................................................................................................................................................................
Wlan Component Layout And Test Points97................................................................................................................................................................
Wlan Selftest And Coexistence Test In Phoenix97................................................................................................................................................................
Wlan Functional Tests99................................................................................................................................................................
Wlan Failure Troubleshooting103................................................................................................................................................................
General Rf Troubleshooting109................................................................................................................................................................
Introduction To Rf Troubleshooting109................................................................................................................................................................
Rf Key Components110................................................................................................................................................................
Non Replaceable And Replaceable Rf Components111................................................................................................................................................................
General Voltage Checking111................................................................................................................................................................
Phoenix Self Tests114................................................................................................................................................................
Receiver Troubleshooting115................................................................................................................................................................
Introduction To Receiver (rx) Troubleshooting115................................................................................................................................................................
Gsm Rx Chain Activation For Manual Measurements/gsm Rssi Measurement115................................................................................................................................................................
Wcdma Rx Chain Activation For Manual Measurement116................................................................................................................................................................
Wcdma Rssi Measurement117................................................................................................................................................................
Transmitter Troubleshooting117................................................................................................................................................................
General Instructions For Transmitter (tx) Troubleshooting117................................................................................................................................................................
Gsm Transmitter Troubleshooting118................................................................................................................................................................
Gsm Transmitter Troubleshooting Flowchart120................................................................................................................................................................
Wcdma Transmitter Troubleshooting120................................................................................................................................................................
Wcdma Transmitter Troubleshooting Flowchart122................................................................................................................................................................
Rf Tunings123................................................................................................................................................................
Introduction To Rf Tunings123................................................................................................................................................................
Autotuning For Bb5123................................................................................................................................................................
System Mode Independent Manual Tunings124................................................................................................................................................................
Rf Channel Filter Calibration124................................................................................................................................................................
Pa (power Amplifier) Detection125................................................................................................................................................................
Gsm Receiver Tunings125................................................................................................................................................................
Rx Calibration (gsm)125................................................................................................................................................................
Rx Band Filter Response Compensation (gsm)128................................................................................................................................................................
Gsm Transmitter Tunings131................................................................................................................................................................
Tx Iq Tuning (gsm)131................................................................................................................................................................
Tx Power Level Tuning (gsm)133................................................................................................................................................................
Wcdma Receiver Tunings135................................................................................................................................................................
Rx Calibration (wcdma)135................................................................................................................................................................
Wcdma Transmitter Tunings137................................................................................................................................................................
Tx Agc & Power Detector (wcdma)137................................................................................................................................................................
Tx Band Response Calibration (wcdma)143................................................................................................................................................................
Tx Lo Leakage (wcdma)145................................................................................................................................................................
Checking Antenna Functionality145................................................................................................................................................................
Camera Subsystem153................................................................................................................................................................
Camera Layout And Basic Test Points154................................................................................................................................................................
Camera Tests For Phoenix155................................................................................................................................................................
Camera Basic Check Troubleshooting158................................................................................................................................................................
Camera Failure Troubleshooting159................................................................................................................................................................
Flash Troubleshooting160................................................................................................................................................................
Fmtx 2.0 Schematic175................................................................................................................................................................
Fmtx 2.0 Component Layout175................................................................................................................................................................
Fmtx 2.0 Pwb Traces176................................................................................................................................................................
Access To Signals177................................................................................................................................................................
Specific Digital And Power Supply Test Points177................................................................................................................................................................
Fmtx2.0 Specific Rf Test Points178................................................................................................................................................................
Specific Clock Test Points178................................................................................................................................................................
General Visual Inspection Guidelines179................................................................................................................................................................
Fmtx2.0 Troubleshooting180................................................................................................................................................................
Fmtx2.0 Antenna Visual Inspection Troubleshooting181................................................................................................................................................................
Fmtx2.0 Audio Path Visual Inspection Troubleshooting182................................................................................................................................................................
Fmtx2.0 Si4713 Visual Inspection Troubleshooting183................................................................................................................................................................
Checking Validity Of Signals184................................................................................................................................................................
Fmtx2.0 Troubleshooting Faults184................................................................................................................................................................
Phoenix Pc Tool184................................................................................................................................................................
Introduction193................................................................................................................................................................
Phone Description193................................................................................................................................................................
Energy Management194................................................................................................................................................................
Battery And Charging194................................................................................................................................................................
Backup Battery195................................................................................................................................................................
Normal And Extreme Voltages195................................................................................................................................................................
Power Key And System Power-up195................................................................................................................................................................
Power Distribution196................................................................................................................................................................
Clocking Scheme197................................................................................................................................................................
Bluetooth And Fm Rds Radio Module198................................................................................................................................................................
Gps Module199................................................................................................................................................................
Wlan Module199................................................................................................................................................................
Fm Transmitter Module200................................................................................................................................................................
High-speed Usb200................................................................................................................................................................
Cbus Interface200................................................................................................................................................................
Fbus201................................................................................................................................................................
Eci Interface201................................................................................................................................................................
Charger Interface201................................................................................................................................................................
Sim Interface201................................................................................................................................................................
Microsd Card Interface202................................................................................................................................................................
Camera Concept202................................................................................................................................................................
User Interface203................................................................................................................................................................
I/o Expander And Keyboard204................................................................................................................................................................
Display Module205................................................................................................................................................................
Backlight And Illumination206................................................................................................................................................................
Asics207................................................................................................................................................................
Rapidoyawe207................................................................................................................................................................
Em Asic Betty N2300207................................................................................................................................................................
Em Asic Vilma N2200207................................................................................................................................................................
Device Memories208................................................................................................................................................................
Combo Memory208................................................................................................................................................................
Audio Concept208................................................................................................................................................................
Audio Hw Architecture208................................................................................................................................................................
Internal Microphone209................................................................................................................................................................
Internal Earpiece210................................................................................................................................................................
Internal Speakers210................................................................................................................................................................
Vibra Circuitry210................................................................................................................................................................
Accessory Av Connector211................................................................................................................................................................
Baseband Technical Specifications212................................................................................................................................................................
External Interfaces212................................................................................................................................................................
Sim If Connections212................................................................................................................................................................
Charger Connector And Charging Interface Connections & Electrical Characteristics212................................................................................................................................................................
Internal Interfaces213................................................................................................................................................................
Back-up Battery Interface Electrical Characteristics213................................................................................................................................................................
Rf Technical Description213................................................................................................................................................................
Receiver (rx)213................................................................................................................................................................
Transmitter (tx)214................................................................................................................................................................
Nokia L4 Service Manual

Nokia L4 Service Manual (208 pages)

Brand: Nokia | Category: Cell Phone | Size: 60.86 MB
Table of contents
Warnings And Cautions4................................................................................................................................................................
Battery Information8................................................................................................................................................................
Table Of Contents13................................................................................................................................................................
Product Selection15................................................................................................................................................................
Product Features And Sales Package15................................................................................................................................................................
Mobile Enhancements18................................................................................................................................................................
Table 2 Car19................................................................................................................................................................
Table 3 Data19................................................................................................................................................................
Technical Specifications20................................................................................................................................................................
Transceiver General Specifications20................................................................................................................................................................
Table 4 Gps20................................................................................................................................................................
Table 5 Messaging20................................................................................................................................................................
Table 6 Power20................................................................................................................................................................
Table 7 Carrying20................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma 2100 Phones21................................................................................................................................................................
Battery Endurance21................................................................................................................................................................
Environmental Conditions22................................................................................................................................................................
Issue 1 Company Confidential Page23................................................................................................................................................................
New Tools27................................................................................................................................................................
Reused Tools27................................................................................................................................................................
Service Concepts37................................................................................................................................................................
Pos (point Of Sale) Flash Concept37................................................................................................................................................................
Flash Concept With Fps-1038................................................................................................................................................................
Flash Concept With Fps-10 And Jbt-940................................................................................................................................................................
Flash Concept With Ss-46 And Ca-89ds41................................................................................................................................................................
Flash Concept With Ca-89ds42................................................................................................................................................................
Flash Concept With Ss-62 And Ca-89ds43................................................................................................................................................................
Flash Concept With Fps-10, Ss-62 And Jbt-944................................................................................................................................................................
Flash Concept With Fps-10, Ss-62 And45................................................................................................................................................................
Module Jig Service Concept46................................................................................................................................................................
Module Jig Service Concept With Jbt-9 And Smart Card Reader47................................................................................................................................................................
Module Jig Service Concept With Jbt-948................................................................................................................................................................
Rf Testing Concept With Rf Coupler49................................................................................................................................................................
Dead Or Jammed Device Troubleshooting57................................................................................................................................................................
General Power Checking Troubleshooting - Cmt58................................................................................................................................................................
General Power Checking Troubleshooting - Ape59................................................................................................................................................................
Clocking Troubleshooting60................................................................................................................................................................
Application Processor Troubleshooting62................................................................................................................................................................
Charging Troubleshooting63................................................................................................................................................................
Battery Current Measuring Fault Troubleshooting64................................................................................................................................................................
Flash Programming Fault Troubleshooting65................................................................................................................................................................
Cmt Combo Memory Fault Troubleshooting68................................................................................................................................................................
Application Processor Memory Troubleshooting69................................................................................................................................................................
Ape Temperature Sensor Troubleshooting70................................................................................................................................................................
Tv-out Troubleshooting71................................................................................................................................................................
Usb Interface Troubleshooting72................................................................................................................................................................
Sim Card Troubleshooting73................................................................................................................................................................
Memory Card Troubleshooting74................................................................................................................................................................
Wlan Interface Troubleshooting75................................................................................................................................................................
Camera Mr Sensor Troubleshooting76................................................................................................................................................................
Certificate Restoring For Bb5 Products77................................................................................................................................................................
Keys Troubleshooting82................................................................................................................................................................
Keyboard Troubleshooting82................................................................................................................................................................
Power Key Troubleshooting84................................................................................................................................................................
Naviwheel Troubleshooting85................................................................................................................................................................
Gps Troubleshooting86................................................................................................................................................................
Gps Layout And Basic Test Points86................................................................................................................................................................
Gps Settings For Phoenix86................................................................................................................................................................
Gps Control86................................................................................................................................................................
Quick Test Window87................................................................................................................................................................
Gps Rf Test Points88................................................................................................................................................................
Gps Failure Troubleshooting Flow89................................................................................................................................................................
Gps Basic Checks Troubleshooting Flow91................................................................................................................................................................
Display Module Troubleshooting92................................................................................................................................................................
General Instructions For Display Troubleshooting92................................................................................................................................................................
Display Troubleshooting94................................................................................................................................................................
Display And Keyboard Backlight Troubleshooting95................................................................................................................................................................
Backlight Troubleshooting97................................................................................................................................................................
Smps Led Driver Troubleshooting98................................................................................................................................................................
Current Pump Led Driver Troubleshooting99................................................................................................................................................................
Ambient Light Sensor (als) Troubleshooting99................................................................................................................................................................
Backlights Controlling In Phoenix101................................................................................................................................................................
Switching Display Lighting On Using Phoenix101................................................................................................................................................................
Switching Display Lighting Off Using Phoenix102................................................................................................................................................................
Switching S60 Keyboard Lighting On Using Phoenix102................................................................................................................................................................
Switching S60 Keyboard Lighting Off Using Phoenix103................................................................................................................................................................
Switching Itu (numeric) Keyboard Lighting On Using Phoenix104................................................................................................................................................................
Switching Itu (numeric) Keyboard Lighting Off Using Phoenix104................................................................................................................................................................
Switching Volume Keys Lighting On Using Phoenix105................................................................................................................................................................
Switching Volume Keys Lighting Off Using Phoenix105................................................................................................................................................................
Switch Imaging Key Lighting On Using Phoenix106................................................................................................................................................................
Switching Imaging Key Lighting Off Using Phoenix106................................................................................................................................................................
Switching Shutter Key Lighting On Using Phoenix107................................................................................................................................................................
Company Confidential107................................................................................................................................................................
Switching Shutter Key Lighting Off Using Phoenix107................................................................................................................................................................
Bluetooth And Fm Radio Troubleshooting108................................................................................................................................................................
Introduction To Bluetooth Troubleshooting108................................................................................................................................................................
Bluetooth Settings For Phoenix109................................................................................................................................................................
Bluetooth Self Tests In Phoenix110................................................................................................................................................................
Bluetooth Troubleshooting112................................................................................................................................................................
Fm Radio Troubleshooting113................................................................................................................................................................
Audio Troubleshooting115................................................................................................................................................................
Audio Paths115................................................................................................................................................................
Audio Loop Test116................................................................................................................................................................
Internal Earpiece Troubleshooting117................................................................................................................................................................
Internal Microphone Troubleshooting118................................................................................................................................................................
Stereo Speakers Troubleshooting119................................................................................................................................................................
Av Stereo Output Troubleshooting120................................................................................................................................................................
Av Mono Input Troubleshooting121................................................................................................................................................................
Vibra Troubleshooting122................................................................................................................................................................
Baseband Manual Tuning Guide123................................................................................................................................................................
Energy Management Calibration123................................................................................................................................................................
General Rf Troubleshooting129................................................................................................................................................................
Introduction To Rf Troubleshooting129................................................................................................................................................................
Rf Key Components130................................................................................................................................................................
Auto Tuning For Bb5.0130................................................................................................................................................................
General Checkings131................................................................................................................................................................
Antenna Line Component Checking131................................................................................................................................................................
Voltage Checking131................................................................................................................................................................
Auto Tuning Procedure131................................................................................................................................................................
Self Test Troubleshooting134................................................................................................................................................................
Receiver Troubleshooting135................................................................................................................................................................
Introduction To Receiver (rx) Troubleshooting135................................................................................................................................................................
Wcdma Rx Chain Activation For Manual Measurement/wcdma Rssi Measurement136................................................................................................................................................................
Transmitter Troubleshooting137................................................................................................................................................................
General Instructions For Transmitter (tx) Troubleshooting137................................................................................................................................................................
Gsm Transmitter Troubleshooting137................................................................................................................................................................
Gsm Transmitter Troubleshooting Flowchart140................................................................................................................................................................
Wcdma Transmitter Troubleshooting141................................................................................................................................................................
Wcdma Transmitter Troubleshooting Flowchart142................................................................................................................................................................
Main (back) Camera Troubleshooting Flowcharts147................................................................................................................................................................
Main Camera Troubleshooting147................................................................................................................................................................
Main Camera Baseband Troubleshooting148................................................................................................................................................................
Main Camera Baseband Troubleshooting - Powerings149................................................................................................................................................................
No Recognizable Viewfinder Image150................................................................................................................................................................
Bad Image Quality Troubleshooting151................................................................................................................................................................
Flash And Led Troubleshooting152................................................................................................................................................................
Secondary (front) Camera Troubleshooting Flow153................................................................................................................................................................
Accelerometer Troubleshooting154................................................................................................................................................................
Xenon Flash Troubleshooting155................................................................................................................................................................
Introduction To Camera Module Troubleshooting155................................................................................................................................................................
The Effect Of Image Taking Conditions On Image Quality156................................................................................................................................................................
Xenon Flash Construction158................................................................................................................................................................
List Of Risks158................................................................................................................................................................
Handling Instructions159................................................................................................................................................................
Image Quality Analyses159................................................................................................................................................................
Troubleshooting Xenon Flash162................................................................................................................................................................
Bad Image Troubleshooting163................................................................................................................................................................
Indicator Mode Troubleshooting164................................................................................................................................................................
Baseband Description169................................................................................................................................................................
System Module Block Diagram169................................................................................................................................................................
Baseband Functional Description169................................................................................................................................................................
Absolute Maximum Ratings169................................................................................................................................................................
Phone Modes Of Operation170................................................................................................................................................................
Power Key171................................................................................................................................................................
Power Distribution172................................................................................................................................................................
Clocking Scheme173................................................................................................................................................................
Bluetooth And Fm Radio174................................................................................................................................................................
Bluetooth174................................................................................................................................................................
Fm Radio175................................................................................................................................................................
Bluetooth And Fm Radio Block Diagram176................................................................................................................................................................
Wlan176................................................................................................................................................................
Gps Interface178................................................................................................................................................................
Usb179................................................................................................................................................................
Sim Interface180................................................................................................................................................................
Sd Card Interface180................................................................................................................................................................
Tv-out Interface181................................................................................................................................................................
Battery Interface182................................................................................................................................................................
Camera Interfaces182................................................................................................................................................................
Camera System182................................................................................................................................................................
Main Camera Characteristics182................................................................................................................................................................
Camera Flash183................................................................................................................................................................
Secondary Camera Characteristics183................................................................................................................................................................
Accelerometer184................................................................................................................................................................
Audio Concept184................................................................................................................................................................
Audio Hw Architecture184................................................................................................................................................................
Internal Microphone185................................................................................................................................................................
External Microphone185................................................................................................................................................................
Internal Earpiece186................................................................................................................................................................
Internal Speaker186................................................................................................................................................................
External Earpiece186................................................................................................................................................................
Av Connector187................................................................................................................................................................
User Interface188................................................................................................................................................................
Display188................................................................................................................................................................
Display Features188................................................................................................................................................................
Display And Keyboard Backlight189................................................................................................................................................................
Ambient Light Sensor190................................................................................................................................................................
Keyboard190................................................................................................................................................................
Slide Position Sensors And Camera Cover Switch191................................................................................................................................................................
Rf Description192................................................................................................................................................................
Block Diagram192................................................................................................................................................................
Receiver (rx)192................................................................................................................................................................
Transmitter (tx)193................................................................................................................................................................
Frequency Mappings194................................................................................................................................................................
Gsm850 Frequencies194................................................................................................................................................................
Egsm900 Frequencies195................................................................................................................................................................
Gsm1800 Frequencies196................................................................................................................................................................
Gsm1900 Frequencies197................................................................................................................................................................
Wcdma 2100 Rx Frequencies198................................................................................................................................................................
Wcdma 2100 Tx Frequencies199................................................................................................................................................................
Nokia L4 Service Manual

Nokia L4 Service Manual (188 pages)

Brand: Nokia | Category: Cell Phone | Size: 41.19 MB
Table of contents
Warnings And Cautions4................................................................................................................................................................
Battery Information8................................................................................................................................................................
Table Of Contents15................................................................................................................................................................
Product Selection17................................................................................................................................................................
Phone Features17................................................................................................................................................................
Figure 1 Rm-632 (nokia E5-00) Product Picture17................................................................................................................................................................
Hardware Features17................................................................................................................................................................
Software And User Interface Features18................................................................................................................................................................
Accessories18................................................................................................................................................................
Sales Package Contents18................................................................................................................................................................
Technical Specifications19................................................................................................................................................................
General Specifications19................................................................................................................................................................
Table 1 Battery And Chargers19................................................................................................................................................................
Table 2 Car Accessories19................................................................................................................................................................
Table 3 Headsets19................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma Band I, Ii And Viii Phones20................................................................................................................................................................
Battery Endurance21................................................................................................................................................................
Environmental Conditions21................................................................................................................................................................
Table 4 Cables25................................................................................................................................................................
Rm-632; Rm-634; Rm26................................................................................................................................................................
Service Devices27................................................................................................................................................................
Product Specific Devices27................................................................................................................................................................
General Devices27................................................................................................................................................................
Cu-428................................................................................................................................................................
Fps-2129................................................................................................................................................................
Fls-529................................................................................................................................................................
Pk-130................................................................................................................................................................
Sb-731................................................................................................................................................................
Cables32................................................................................................................................................................
Ca-31d32................................................................................................................................................................
Ca-58rs32................................................................................................................................................................
Ca-89ds33................................................................................................................................................................
Dau-9s33................................................................................................................................................................
Service Concepts34................................................................................................................................................................
Pos (point Of Sale) Flash Concept34................................................................................................................................................................
Xrs-634................................................................................................................................................................
Flash Concept With Fps-2135................................................................................................................................................................
Module Jig Service Concept37................................................................................................................................................................
Service Concept For Rf Testing And Rf/bb Tuning38................................................................................................................................................................
Bluetooth Testing Concept With39................................................................................................................................................................
Wlan Functionality Testing Concept With40................................................................................................................................................................
Issue 3 Company Confidential Page43................................................................................................................................................................
Baseband Self Tests In Phoenix47................................................................................................................................................................
Power And Charging Troubleshooting49................................................................................................................................................................
Dead Or Jammed Device Troubleshooting49................................................................................................................................................................
Power Key Troubleshooting51................................................................................................................................................................
General Voltage Checking Troubleshooting52................................................................................................................................................................
General Power Checking53................................................................................................................................................................
Charging Troubleshooting54................................................................................................................................................................
Usb Charging Troubleshooting55................................................................................................................................................................
Battery Current Measuring Fault Troubleshooting56................................................................................................................................................................
Clocking Troubleshooting57................................................................................................................................................................
Interface Troubleshooting58................................................................................................................................................................
Flash Programming Fault Troubleshooting58................................................................................................................................................................
Sim Card Troubleshooting61................................................................................................................................................................
Microsd Card Troubleshooting63................................................................................................................................................................
Usb Troubleshooting64................................................................................................................................................................
Usb Data Interface Troubleshooting64................................................................................................................................................................
User Interface Troubleshooting67................................................................................................................................................................
Keyboard Troubleshooting67................................................................................................................................................................
Navi Key Leds Troubleshooting68................................................................................................................................................................
Keymat Leds Troubleshooting69................................................................................................................................................................
Display Module Troubleshooting69................................................................................................................................................................
General Instructions For Display Troubleshooting69................................................................................................................................................................
Display Fault Troubleshooting71................................................................................................................................................................
Display Backlight Troubleshooting72................................................................................................................................................................
Ambient Light Sensor (als)73................................................................................................................................................................
Als Troubleshooting73................................................................................................................................................................
Als Functionality Check74................................................................................................................................................................
Als Retuning74................................................................................................................................................................
Gps Troubleshooting76................................................................................................................................................................
Gps Settings For Phoenix76................................................................................................................................................................
Gps Control76................................................................................................................................................................
Gps Quick Test Window76................................................................................................................................................................
Gps Antenna77................................................................................................................................................................
Gps Failure Troubleshooting78................................................................................................................................................................
Gps Basic Checks Troubleshooting79................................................................................................................................................................
Camera Module Troubleshooting80................................................................................................................................................................
Introduction To Camera Troubleshooting80................................................................................................................................................................
Camera Troubleshooting80................................................................................................................................................................
Taking And Evaluating Test Pictures80................................................................................................................................................................
Camera Baseband Troubleshooting82................................................................................................................................................................
Camera No Recognizable Viewfinder Image Troubleshooting83................................................................................................................................................................
Camera Bad Image Quality Troubleshooting84................................................................................................................................................................
Camera Flash Troubleshooting85................................................................................................................................................................
Audio Troubleshooting86................................................................................................................................................................
Audio Troubleshooting Test Instructions86................................................................................................................................................................
Test Procedure86................................................................................................................................................................
Internal Earpiece Troubleshooting88................................................................................................................................................................
Internal Microphone Troubleshooting89................................................................................................................................................................
Internal Handsfree (ihf) Troubleshooting90................................................................................................................................................................
Acoustics Troubleshooting90................................................................................................................................................................
Introduction To Acoustics Troubleshooting90................................................................................................................................................................
Earpiece Troubleshooting91................................................................................................................................................................
Ihf Troubleshooting92................................................................................................................................................................
Microphone Troubleshooting93................................................................................................................................................................
Vibra Troubleshooting94................................................................................................................................................................
Bluetooth And Fm Radio Troubleshooting95................................................................................................................................................................
Bluetooth Troubleshooting95................................................................................................................................................................
Fm Radio Troubleshooting96................................................................................................................................................................
Wlan Troubleshooting97................................................................................................................................................................
Wlan Functionality Test Using Sb-7 And Phoenix97................................................................................................................................................................
Wlan Layout And Test Points97................................................................................................................................................................
Wlan Settings For Phoenix98................................................................................................................................................................
Wlan Functional Tests100................................................................................................................................................................
Wlan Failure Troubleshooting103................................................................................................................................................................
Baseband Manual Tuning Guide104................................................................................................................................................................
Certificate Restoring104................................................................................................................................................................
Product Code Change107................................................................................................................................................................
Energy Management Calibration111................................................................................................................................................................
General Rf Troubleshooting117................................................................................................................................................................
Introduction To Rf Troubleshooting117................................................................................................................................................................
Rf Key Components118................................................................................................................................................................
Auto Tuning118................................................................................................................................................................
Introduction To Auto Tuning118................................................................................................................................................................
Auto Tuning Procedure119................................................................................................................................................................
Self Test Troubleshooting119................................................................................................................................................................
Phoenix Self Test Troubleshooting119................................................................................................................................................................
Receiver Troubleshooting121................................................................................................................................................................
Introduction To Receiver (rx) Troubleshooting121................................................................................................................................................................
Gsm Rx Chain Activation For Manual Measurements/gsm Rssi Measurement121................................................................................................................................................................
Gsm Receiver Troubleshooting Flowchart122................................................................................................................................................................
Wcdma Rx Chain Activation For Manual Measurement123................................................................................................................................................................
Wcdma Rssi Measurement124................................................................................................................................................................
Wcdma Receiver Troubleshooting Flowchart125................................................................................................................................................................
Transmitter Troubleshooting126................................................................................................................................................................
Introduction To Transmitter (tx) Troubleshooting126................................................................................................................................................................
Gsm Transmitter Troubleshooting126................................................................................................................................................................
Gsm Transmitter Troubleshooting Flowchart130................................................................................................................................................................
Wcdma Transmitter Troubleshooting131................................................................................................................................................................
Wcdma Transmitter Troubleshooting Flowchart134................................................................................................................................................................
Troubleshooting With Rf-shield Removed135................................................................................................................................................................
Introduction135................................................................................................................................................................
Voltage Checking135................................................................................................................................................................
Vctcxo Troubleshooting137................................................................................................................................................................
Rf Component Reference138................................................................................................................................................................
Rf Block Diagram139................................................................................................................................................................
Antenna140................................................................................................................................................................
Antenna Overview140................................................................................................................................................................
Main Antenna Functionality140................................................................................................................................................................
Phone Description145................................................................................................................................................................
Key Components145................................................................................................................................................................
System Module Block Diagram147................................................................................................................................................................
Energy Management147................................................................................................................................................................
Battery And Charging147................................................................................................................................................................
Normal And Extreme Voltages148................................................................................................................................................................
Power Key And System Power-up149................................................................................................................................................................
Modes Of Operation149................................................................................................................................................................
Clocking Scheme149................................................................................................................................................................
Power Distibution151................................................................................................................................................................
Sim Interface152................................................................................................................................................................
Microsd Card Interface152................................................................................................................................................................
Usb153................................................................................................................................................................
Usb Interface153................................................................................................................................................................
Microusb Connector153................................................................................................................................................................
User Interface154................................................................................................................................................................
Display Interface154................................................................................................................................................................
Keyboard Interface154................................................................................................................................................................
Ambient Light Sensor (als) Interface155................................................................................................................................................................
Gps Interface155................................................................................................................................................................
Audio Interface156................................................................................................................................................................
Av Connector157................................................................................................................................................................
Bluetooth Interface157................................................................................................................................................................
Fm Radio Interface158................................................................................................................................................................
Rf Description158................................................................................................................................................................
Receiver (rx)158................................................................................................................................................................
Transmitter (tx)159................................................................................................................................................................
General Information165................................................................................................................................................................
Rm-634 Product Data165................................................................................................................................................................
Rf Troubleshooting166................................................................................................................................................................
Differences Between Rm-632 And Rm-634166................................................................................................................................................................
Sales Package179................................................................................................................................................................
Nokia L4 Service Manual

Nokia L4 Service Manual (170 pages)

Brand: Nokia | Category: Handhelds | Size: 39.81 MB
Table of contents
Battery Information9................................................................................................................................................................
Table Of Contents15................................................................................................................................................................
Rm-529; Rm-530;16................................................................................................................................................................
Product Selection17................................................................................................................................................................
Product Features And Sales Package18................................................................................................................................................................
Product And Module List19................................................................................................................................................................
Mobile Enhancements20................................................................................................................................................................
Table 1 Audio20................................................................................................................................................................
Table 2 Car20................................................................................................................................................................
Table 3 Data20................................................................................................................................................................
Table 4 Messaging21................................................................................................................................................................
Table 5 Music21................................................................................................................................................................
Table 6 Navigation21................................................................................................................................................................
Table 7 Power21................................................................................................................................................................
Technical Specifications22................................................................................................................................................................
Transceiver General Specifications22................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma Viii/ii/i Phones22................................................................................................................................................................
Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma V/ii/i Phones23................................................................................................................................................................
Battery Endurance25................................................................................................................................................................
Environmental Conditions25................................................................................................................................................................
Table 8 Gsm25................................................................................................................................................................
Issue 1 Company Confidential Page27................................................................................................................................................................
Service Tools31................................................................................................................................................................
Product Specific Tools31................................................................................................................................................................
General Tools31................................................................................................................................................................
Fps-2134................................................................................................................................................................
Cables37................................................................................................................................................................
Ca-31d37................................................................................................................................................................
Ca-35s38................................................................................................................................................................
Ca-58rs38................................................................................................................................................................
Ca-89ds38................................................................................................................................................................
Dau-9s39................................................................................................................................................................
Service Concepts40................................................................................................................................................................
Pos (point Of Sale) Flash Concept40................................................................................................................................................................
Flash Concept With Fps-2141................................................................................................................................................................
Module Jig Service Concept43................................................................................................................................................................
Bb/rf Tuning Concept With Module Jig44................................................................................................................................................................
Bluetooth Testing Concept With45................................................................................................................................................................
Wlan Functionality Testing Concept With Sb-746................................................................................................................................................................
Gps Testing Concept With Gps Rf Coupler47................................................................................................................................................................
Baseband Self Tests In Phoenix53................................................................................................................................................................
Power And Charging Troubleshooting55................................................................................................................................................................
Dead Or Jammed Device Troubleshooting55................................................................................................................................................................
Power Key Troubleshooting56................................................................................................................................................................
General Voltage Checking Troubleshooting57................................................................................................................................................................
General Power Checking59................................................................................................................................................................
Charging Troubleshooting60................................................................................................................................................................
Rtc Troubleshooting61................................................................................................................................................................
Interface Troubleshooting62................................................................................................................................................................
Flash Programming Fault Troubleshooting62................................................................................................................................................................
Sim Card Troubleshooting65................................................................................................................................................................
Microsd Card Troubleshooting67................................................................................................................................................................
Usb Interface Troubleshooting68................................................................................................................................................................
User Interface Troubleshooting69................................................................................................................................................................
Keyboard Troubleshooting69................................................................................................................................................................
Display Module Troubleshooting71................................................................................................................................................................
General Instructions For Display Troubleshooting71................................................................................................................................................................
Display Fault Troubleshooting73................................................................................................................................................................
Display Backlight Troubleshooting74................................................................................................................................................................
Magnetometer Troubleshooting75................................................................................................................................................................
Accelerometer Troubleshooting76................................................................................................................................................................
Ambient Light Sensor Troubleshooting And Re-calibration77................................................................................................................................................................
Introduction To Als Troubleshooting And Re-calibration77................................................................................................................................................................
Functionality Check77................................................................................................................................................................
Als Troubleshooting79................................................................................................................................................................
Calibrating Als80................................................................................................................................................................
Audio Troubleshooting81................................................................................................................................................................
Audio Troubleshooting Test Instructions81................................................................................................................................................................
Internal Earpiece Troubleshooting85................................................................................................................................................................
Internal Microphone Troubleshooting86................................................................................................................................................................
Eanc Microphone Testing87................................................................................................................................................................
Internal Handsfree (ihf) Troubleshooting89................................................................................................................................................................
External Earpiece Troubleshooting90................................................................................................................................................................
External Microphone Troubleshooting91................................................................................................................................................................
Acoustics Troubleshooting92................................................................................................................................................................
Introduction To Acoustics Troubleshooting92................................................................................................................................................................
Earpiece Troubleshooting93................................................................................................................................................................
Ihf Troubleshooting94................................................................................................................................................................
Eanc Error Microphone Troubleshooting95................................................................................................................................................................
Eanc Reference Microphone Troubleshooting96................................................................................................................................................................
Microphone Troubleshooting97................................................................................................................................................................
Vibra Troubleshooting98................................................................................................................................................................
Bluetooth And Fm Radio Troubleshooting99................................................................................................................................................................
Bluetooth Troubleshooting99................................................................................................................................................................
Fm Radio Troubleshooting100................................................................................................................................................................
Gps Troubleshooting101................................................................................................................................................................
Gps Failure Troubleshooting101................................................................................................................................................................
Gps Basic Checks Troubleshooting102................................................................................................................................................................
Wlan Troubleshooting103................................................................................................................................................................
Wlan Functionality Test Using Sb-7 And Phoenix103................................................................................................................................................................
Wlan Layout And Test Points104................................................................................................................................................................
Wlan Settings For Phoenix104................................................................................................................................................................
Wlan Functional Tests106................................................................................................................................................................
Wlan Auto Tuning109................................................................................................................................................................
Wlan Failure Troubleshooting112................................................................................................................................................................
Wlan Basic Checks Troubleshooting113................................................................................................................................................................
Baseband Manual Tuning Guide114................................................................................................................................................................
Certificate Restoring For Bb5 Products114................................................................................................................................................................
General Rf Troubleshooting123................................................................................................................................................................
Introduction To Rf Troubleshooting123................................................................................................................................................................
Rf Connector And Antenna Contacts124................................................................................................................................................................
Auto Tuning125................................................................................................................................................................
Introduction To Rf Tunings125................................................................................................................................................................
Self Test Troubleshooting126................................................................................................................................................................
Receiver Troubleshooting127................................................................................................................................................................
Introduction To Receiver (rx) Troubleshooting127................................................................................................................................................................
Gsm Rx Chain Activation For Manual Measurements/gsm Rssi Measurement128................................................................................................................................................................
Gsm Receiver Troubleshooting Flowchart129................................................................................................................................................................
Wcdma Rx Chain Activation For Manual Measurement130................................................................................................................................................................
Wcdma Rssi Measurement130................................................................................................................................................................
Wcdma Receiver Troubleshooting Flowchart132................................................................................................................................................................
Transmitter Troubleshooting132................................................................................................................................................................
General Instructions For Transmitter (tx) Troubleshooting132................................................................................................................................................................
Gsm Transmitter Troubleshooting133................................................................................................................................................................
Wcdma Transmitter Troubleshooting135................................................................................................................................................................
Antenna Troubleshooting136................................................................................................................................................................
Troubleshooting137................................................................................................................................................................
List Of Figures139................................................................................................................................................................
Main (back) Camera Troubleshooting141................................................................................................................................................................
Taking And Evaluating Test Pictures With Main Camera141................................................................................................................................................................
Camera Troubleshooting With Phoenix141................................................................................................................................................................
Camera Troubleshooting With Self Tests142................................................................................................................................................................
Autofocus (af) Failure143................................................................................................................................................................
Main Camera Bad Image Quality Troubleshooting144................................................................................................................................................................
Camera Flash Troubleshooting145................................................................................................................................................................
Secondary (front) Camera Troubleshooting145................................................................................................................................................................
Evaluating Videocall Picture Quality From Secondary Camera145................................................................................................................................................................
Secondary Camera Hardware Troubleshooting145................................................................................................................................................................
Secondary Camera Bad Image Quality Troubleshooting145................................................................................................................................................................
Introduction151................................................................................................................................................................
Phone Description151................................................................................................................................................................
Energy Management155................................................................................................................................................................
Battery And Charging155................................................................................................................................................................
Normal And Extreme Voltages155................................................................................................................................................................
Power Key And System Power-up156................................................................................................................................................................
Modes Of Operation156................................................................................................................................................................
Clocking Scheme156................................................................................................................................................................
Power Distibution157................................................................................................................................................................
Sim Interface158................................................................................................................................................................
Microsd Card Interface158................................................................................................................................................................
Usb158................................................................................................................................................................
Usb Interface158................................................................................................................................................................
Microusb Connector158................................................................................................................................................................
User Interface158................................................................................................................................................................
Display Interface158................................................................................................................................................................
Keyboard Interface158................................................................................................................................................................
Ambient Light Sensor (als) Interface159................................................................................................................................................................
Accelerometer159................................................................................................................................................................
Magnetometer159................................................................................................................................................................
Gps Interface160................................................................................................................................................................
Wlan Interface160................................................................................................................................................................
Camera Interface160................................................................................................................................................................
Audio Interface160................................................................................................................................................................
Bluetooth Interface160................................................................................................................................................................
Fm Radio Interface161................................................................................................................................................................
Rf Description161................................................................................................................................................................
Receiver (rx)161................................................................................................................................................................
Transmitter (tx)161................................................................................................................................................................
Nokia L4 Service Manual

Nokia L4 Service Manual (166 pages)

Mobile terminal  
Brand: Nokia | Category: Cell Phone | Size: 42.1 MB
Table of contents
Warnings And Cautions4................................................................................................................................................................
Battery Information8................................................................................................................................................................
Table Of Contents15................................................................................................................................................................
Product Selection17................................................................................................................................................................
Product Features And Sales Package17................................................................................................................................................................
Figure 1 Rm-598/rm-604 Product Picture17................................................................................................................................................................
Product And Module List19................................................................................................................................................................
Mobile Enhancements19................................................................................................................................................................
Table 1 Audio19................................................................................................................................................................
Table 2 Car20................................................................................................................................................................
Table 3 Data20................................................................................................................................................................
Table 4 Music21................................................................................................................................................................
Table 5 Navigation21................................................................................................................................................................
Technical Specifications22................................................................................................................................................................
General Specifications22................................................................................................................................................................
Battery Endurance22................................................................................................................................................................
Main Rf Characteristics For Gsm 850/900/1800/1900, Wcdma 900/1900/2100 And Wcdma 850/1900/2100 Phones22................................................................................................................................................................
Service Devices31................................................................................................................................................................
Product Specific Devices31................................................................................................................................................................
Rework Jigs And Stencils31................................................................................................................................................................
General Devices32................................................................................................................................................................
Fps-2134................................................................................................................................................................
Cables36................................................................................................................................................................
Ca-158rs37................................................................................................................................................................
Ca-31d37................................................................................................................................................................
Ca-35s37................................................................................................................................................................
Ca-89ds38................................................................................................................................................................
Dau-9s38................................................................................................................................................................
Service Concepts39................................................................................................................................................................
Pos (point Of Sale) Flash Concept39................................................................................................................................................................
Flash Concept With Fps-2140................................................................................................................................................................
Table 6 Power41................................................................................................................................................................
Module Jig Service Concept42................................................................................................................................................................
Service Concept For Rf Testing And Rf/bb Tuning43................................................................................................................................................................
Bluetooth Testing Concept With44................................................................................................................................................................
Baseband Self Tests In Phoenix51................................................................................................................................................................
Power And Charging Troubleshooting53................................................................................................................................................................
Dead Or Jammed Device Troubleshooting53................................................................................................................................................................
Power Key Troubleshooting55................................................................................................................................................................
General Voltage Checking Troubleshooting56................................................................................................................................................................
General Power Checking58................................................................................................................................................................
Charging Troubleshooting59................................................................................................................................................................
Usb Charging Troubleshooting60................................................................................................................................................................
Battery Current Measuring Fault Troubleshooting61................................................................................................................................................................
Clocking Troubleshooting62................................................................................................................................................................
Interface Troubleshooting63................................................................................................................................................................
Flash Programming Fault Troubleshooting63................................................................................................................................................................
Sim Card Troubleshooting66................................................................................................................................................................
Microsd Card Troubleshooting68................................................................................................................................................................
Usb Data Interface Troubleshooting69................................................................................................................................................................
User Interface Troubleshooting70................................................................................................................................................................
Keypad And Side Key Troubleshooting70................................................................................................................................................................
Reminder Light Troubleshooting72................................................................................................................................................................
Numerical Keypad Illumination Troubleshooting73................................................................................................................................................................
Functional Keypad Illumination Troubleshooting74................................................................................................................................................................
Display Module Troubleshooting75................................................................................................................................................................
General Instructions For Display Troubleshooting75................................................................................................................................................................
Hall Sensor Troubleshooting78................................................................................................................................................................
Bluetooth And Fm Radio Troubleshooting79................................................................................................................................................................
Bluetooth Troubleshooting79................................................................................................................................................................
Fm Radio Troubleshooting80................................................................................................................................................................
Camera Module Troubleshooting81................................................................................................................................................................
Taking And Evaluating Test Pictures With Main Camera81................................................................................................................................................................
Camera Troubleshooting82................................................................................................................................................................
Camera Hardware Troubleshooting83................................................................................................................................................................
Audio Troubleshooting83................................................................................................................................................................
Audio Troubleshooting Test Instructions83................................................................................................................................................................
Test Procedure84................................................................................................................................................................
Internal Earpiece Troubleshooting87................................................................................................................................................................
Internal Microphone Troubleshooting88................................................................................................................................................................
Internal Handsfree (ihf) Troubleshooting89................................................................................................................................................................
External Earpiece Troubleshooting90................................................................................................................................................................
External Microphone Troubleshooting91................................................................................................................................................................
Acoustics Troubleshooting92................................................................................................................................................................
Introduction To Acoustics Troubleshooting92................................................................................................................................................................
Earpiece Troubleshooting93................................................................................................................................................................
Ihf Troubleshooting94................................................................................................................................................................
Microphone Troubleshooting95................................................................................................................................................................
Vibra Troubleshooting96................................................................................................................................................................
Baseband Manual Tuning Guide97................................................................................................................................................................
Certificate Restoring For Bb5 Products97................................................................................................................................................................
Energy Management Calibration102................................................................................................................................................................
General Rf Troubleshooting107................................................................................................................................................................
Introduction To Rf Troubleshooting107................................................................................................................................................................
Rf Key Components108................................................................................................................................................................
Auto Tuning110................................................................................................................................................................
Introduction To Auto Tuning110................................................................................................................................................................
Auto Tuning Procedure110................................................................................................................................................................
Self Test Troubleshooting111................................................................................................................................................................
Phoenix Self Test Troubleshooting111................................................................................................................................................................
Receiver Troubleshooting113................................................................................................................................................................
Introduction To Receiver (rx) Troubleshooting113................................................................................................................................................................
Gsm Rx Chain Activation For Manual Measurements/gsm Rssi Measurement113................................................................................................................................................................
Gsm Receiver Troubleshooting Flowchart114................................................................................................................................................................
Wcdma Rx Chain Activation For Manual Measurement115................................................................................................................................................................
Wcdma Rssi Measurement116................................................................................................................................................................
Wcdma Receiver Troubleshooting Flowchart117................................................................................................................................................................
Transmitter Troubleshooting118................................................................................................................................................................
Introduction To Transmitter (tx) Troubleshooting118................................................................................................................................................................
Gsm Transmitter Troubleshooting118................................................................................................................................................................
Gsm Transmitter Troubleshooting Flowchart122................................................................................................................................................................
Wcdma Transmitter Troubleshooting123................................................................................................................................................................
Wcdma Transmitter Troubleshooting Flowchart126................................................................................................................................................................
Troubleshooting With Rf Shield Removed127................................................................................................................................................................
Introduction127................................................................................................................................................................
Voltage Checking127................................................................................................................................................................
Vctcxo Troubleshooting129................................................................................................................................................................
Rf Component Reference129................................................................................................................................................................
Antenna131................................................................................................................................................................
Antenna Overview131................................................................................................................................................................
Main Antenna Functionality132................................................................................................................................................................
Main Antenna133................................................................................................................................................................
Bluetooth Antenna Functionality133................................................................................................................................................................
Antenna Troubleshooting133................................................................................................................................................................
Bluetooth Antenna134................................................................................................................................................................
List Of Tables137................................................................................................................................................................
Phone Description139................................................................................................................................................................
System Module Block Diagram141................................................................................................................................................................
Energy Management142................................................................................................................................................................
Battery And Charging142................................................................................................................................................................
Normal And Extreme Voltages143................................................................................................................................................................
Power Key And System Power-up143................................................................................................................................................................
Modes Of Operation144................................................................................................................................................................
Clocking Scheme144................................................................................................................................................................
Connectivity144................................................................................................................................................................
Microusb Interface144................................................................................................................................................................
Sim Interface145................................................................................................................................................................
Microsd Card Interface145................................................................................................................................................................
Usb Interface145................................................................................................................................................................
Charger Interface146................................................................................................................................................................
Bluetooth147................................................................................................................................................................
Fm Radio147................................................................................................................................................................
User Interface148................................................................................................................................................................
Display Module148................................................................................................................................................................
Keyboard Interface149................................................................................................................................................................
Backlight And Illumination149................................................................................................................................................................
Slide Switch Interface150................................................................................................................................................................
Camera Concept151................................................................................................................................................................
Camera Interface151................................................................................................................................................................
Audio Concept151................................................................................................................................................................
Audio151................................................................................................................................................................
Internal Microphone152................................................................................................................................................................
Internal Earpiece153................................................................................................................................................................
Ihf Speaker153................................................................................................................................................................
External Microphone154................................................................................................................................................................
External Earpiece154................................................................................................................................................................
Vibra155................................................................................................................................................................
Av Connector156................................................................................................................................................................
Combo Memory157................................................................................................................................................................
Rf Description157................................................................................................................................................................
Block Diagram157................................................................................................................................................................
Receiver (rx)158................................................................................................................................................................
Transmitter (tx)158................................................................................................................................................................
Issue162................................................................................................................................................................

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