Page 2 RM-272; RM-273 Amendment Record Sheet Amendment Record Sheet Amendment No Date Inserted By Comments Issue 1 09/2007 Y Liu Page ii COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 3 Nokia operates a policy of continuous development. Nokia reserves the right to make changes and improvements to any of the products described in this document without prior notice. Under no circumstances shall Nokia be responsible for any loss of data or income or any special, incidental, consequential or indirect damages howsoever caused.
Page 4: Warnings And Cautions
• Ensure all cables and wires are repositioned correctly. • During testing never activate the GSM transmitter without a proper antenna load, otherwise the GSM PA may be damaged. Page iv COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 5 Use only approved accessories and batteries. Do not connect incompatible products. CONNECTING TO OTHER DEVICES When connecting to any other device, read its user’s guide for detailed safety instructions. Do not connect incompatible products. Issue 1 COMPANY CONFIDENTIAL Page v Copyright © 2007 Nokia. All rights reserved.
Page 7 RM-272; RM-273 ESD protection ESD protection Nokia requires that service points have sufficient ESD protection (against static electricity) when servicing the phone. Any product of which the covers are removed must be handled with ESD protection. The SIM card can be replaced without ESD protection if the product is otherwise ready for use.
Page 8: Battery Information
Batteries' performance is particularly limited in temperatures well below freezing. Do not dispose of batteries in a fire! Dispose of batteries according to local regulations (e.g. recycling). Do not dispose as household waste. Page viii COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 9 Our policy is of continuous development; details of all technical modifications will be included with service bulletins. While every endeavour has been made to ensure the accuracy of this document, some errors may exist. If any errors are found by the reader, NOKIA MOBILE PHONES Business Group should be notified in writing/e- mail. Please state: •...
Page 11 1 General information 2 Service Tools and Service Concepts 3 BB Troubleshooting and Manual Tuning Guide 4 RF Troubleshooting and Manual Tuning Guide 5 System module Glossary Issue 1 COMPANY CONFIDENTIAL Page xi Copyright © 2007 Nokia. All rights reserved.
Page 15: Table Of Contents
Table 1 Power .................................1–8 Table 2 Car................................1–8 Table 3 Audio ................................1–9 Table 4 Data ................................1–9 Table 5 Imaging..............................1–9 List of Figures Figure 1 RM-272/273 product picture ........................1–5 Issue 1 COMPANY CONFIDENTIAL Page 1 –3 Copyright © 2007 Nokia. All rights reserved.
Page 17: Product Selection
262k colours. It also has an integrated 2 Mpix digital camera with a 8 x digtal zoom. The RM-272/273 has a 3GPP video player/recorder, a stereo FM radio and a music player, and it supports Bluetooth and microSD card.
Page 18: Features
• 2.0 mm DC charger plug • Mini-USB connector • 2.5mm Nokia AV connector Software features • ISA OS 8.0s Platform • Nokia Series 40 User interface (UI): Java MIDP 2.0 UI features Imaging • 2 megapixel camera with 8x digital zoom •...
Page 19 • Pre-installed Java™-based applications and games • SIM Application Toolkit • Wireless Presenter Connectivity • Nokia PC Suite with USB, Bluetooth and Infrared connectivity • SIM access profile and handsfree profile • Nokia AV connector interface with USB • Active standby •...
Page 20: Mobile Enhancements
Mobile enhancements for RM-272/273 Table 1 Power Type Name Note: This phone is charged through the smaller Nokia standard interface (2.0 mm plug). The 3.5 mm standard charger can be used together with the CA-44 charger adapter. AC-3/AC-5 Compact charger AC-4...
Page 21: Table 3 Audio
128 MB µSD card MU-27 256 MB µSD card MU-28 512 MB µSD card MU-37 2 GB µSD card Table 5 Imaging Type Name PT-6 Remote camera Issue 1 COMPANY CONFIDENTIAL Page 1 –9 Copyright © 2007 Nokia. All rights reserved.
Page 25: Table Of Contents
Figure 5 Module jig service concept ........................2–18 Figure 6 RF testing concept with RF coupler ....................2–19 Figure 7 Service concept for RF testing and RF/BB tuning ................2–20 Issue 1 COMPANY CONFIDENTIAL Page 2 –3 Copyright © 2007 Nokia. All rights reserved.
Page 27: Service Tools
Service tools Product specific tools The table below gives a short overview of service tools that can be used for testing, error analysis and repair of product RM-272; RM-273, refer to various concepts. FS-47 Flash adapter For flashing (also dead phones) with SS-64. RF testing and tuning, and EM calibration on ATO level with SS-62 (mechanical locking concept), CU-4 supported.
Page 28 • Nokia 3500c (RM-273) RX Att. Tolerance TX Att. Tolerance Band Channel (dB) (dB) EGSM +/-1 +/-1 High 1800 +/-1 +/-1 High 1900 +/-1 +/-1 High Page 2 –6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 29: General Tools
SS-116 to enable MJ-122 re-use with RM-237/272/273/274 phone." General tools The table below gives a short overview of service tools that can be used for testing, error analysis and repair of product RM-272; RM-273, refer to various concepts. Issue 1 COMPANY CONFIDENTIAL Page 2 –7...
Page 30 4 Connect an FBUS cable (if necessary). 5 Start Phoenix service software. Note: Phoenix enables CU-4 regulators via USB when it is started. Reconnecting the power supply requires a Phoenix restart. Page 2 –8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 31: Fls-4S
FPS-10 sales package includes: • FPS-10 prommer • Power Supply with 5 country specific cords • USB cable Note: FPS-21 is substitute FPS-10 if FPS-10 has not been set Issue 1 COMPANY CONFIDENTIAL Page 2 –9 Copyright © 2007 Nokia. All rights reserved.
Page 32 This stencil takes the front end module (FEM) or power amplifier (PA) module for spreading the soldering paste to the component. Must be used together with the ST-40 stencil. Page 2 –10 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 33 The front camera removal tool SS-45 is used to remove/attach the front camera module from/to the socket. SS-46 Interface adapter SS-46 acts as an interface adapter between the flash adapter and FPS-10. Issue 1 COMPANY CONFIDENTIAL Page 2 –11 Copyright © 2007 Nokia. All rights reserved.
Page 34: Cables
Cables The table below gives a short overview of service tools that can be used for testing, error analysis and repair of product RM-272; RM-273, refer to various concepts. CA-31D USB cable The CA-31D USB cable is used to connect FPS-10 or FPS-11 to a PC. It is included in the FPS-10 and FPS-11 sales packages.
Page 35: Ca-35S
PCS-1 Power cable The PCS-1 power cable (DC) is used with a docking station, a module jig or a control unit to supply a controlled voltage. Issue 1 COMPANY CONFIDENTIAL Page 2 –13 Copyright © 2007 Nokia. All rights reserved.
Page 36: Rm-272; Rm
The RF cable is used to connect, for example, a module repair jig to the RF measurement equipment. SMA to N-Connector approximately 610 mm. Attenuation for: • GSM850/900: 0.3+-0.1 dB • GSM1800/1900: 0.5+-0.1 dB • WLAN: 0.6+-0.1dB Page 2 –14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 37: Dke-2
Product specific devices BL-4C Battery Other devices ACP-8 Power adapter FLS-4S or POS flash dongle FLS-5 PC with Phoenix service software Cables DKE-2 USB connectivity cable Issue 1 COMPANY CONFIDENTIAL Page 2 –15 Copyright © 2007 Nokia. All rights reserved.
Page 38: Flash Concept With Fps-10
Other devices FPS-10 Flash prommer box PKD-1/PK-1 SW security device SS-46 Interface adapter PC with Phoenix service software Cables XCS-4 Modular cable CA-35S Power cable USB cable Page 2 –16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 39: Flash Concept With Fps-10
SW security device SS-62 Flash adapter base SX-4 Smart card PC with Phoenix service software Cables PCS-1 Power cable XCS-4 Modular cable Standard USB cable USB cable Issue 1 COMPANY CONFIDENTIAL Page 2 –17 Copyright © 2007 Nokia. All rights reserved.
Page 40: Module Jig Service Concept
SW security device SX-4 Smart card PC with VPOS and Phoenix service software Measurement equipment Cables PCS-1 DC power cable XCS-4 Modular cable XRF-1 RF cable USB cable Page 2 –18 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 41: Rf Testing Concept With Rf Coupler
SX-4 Smart card FPS-10 Flash prommer box PKD-1/PK-1 SW security device SS-62 Flash adapter base Measurement equipment PC with Phoenix service software Cables PCS-1 Power cable Issue 1 COMPANY CONFIDENTIAL Page 2 –19 Copyright © 2007 Nokia. All rights reserved.
Page 42: Service Concept For Rf Testing And Rf/Bb Tuning
Product specific devices MJ-122 Module jig Other devices CU-4 Control unit PKD-1/PK-1 SW security device SX-4 Smart card Measurement equipment Smart card reader PC with Phoenix service software Page 2 –20 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 43: Issue
RM-272; RM-273 Service Tools and Service Concepts Type Description Cables DAU-9s MBUS cable PCS-1 DC power cable XRS-6 RF cable GPIB control cable USB cable Issue 1 COMPANY CONFIDENTIAL Page 2 –21 Copyright © 2007 Nokia. All rights reserved.
Page 44: Company Confidential
RM-272; RM-273 Service Tools and Service Concepts (This page left intentionally blank.) Page 2 –22 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 47 Certificate restoring for BB5 products......................3–43 Energy management calibration ........................3–48 List of Tables Table 6 Display module troubleshooting cases....................3–20 Table 7 Pixel defects ............................3–21 Issue 1 COMPANY CONFIDENTIAL Page 3 –3 Copyright © 2007 Nokia. All rights reserved.
Page 48 Figure 14 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected. 3–27 Figure 15 BER test result............................. 3–37 Figure 16 Bluetooth self tests in Phoenix ......................3–38 Page 3 –4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 49: Baseband Troubleshooting Overview
Bluetooth does not work Bluetooth (BT) (page 3–36) FM radio does not work FM radio (page 3–17) MicroSD card does not work MicroSD card (page ) Issue 1 COMPANY CONFIDENTIAL Page 3 –5 Copyright © 2007 Nokia. All rights reserved.
Page 50: Power And Charging Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Power and charging troubleshooting General power checking troubleshooting Troubleshooting flow Page 3 –6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 51: Battery Current Measuring Fault Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Battery current measuring fault troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 –7 Copyright © 2007 Nokia. All rights reserved.
Page 52: Charging Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Charging troubleshooting Troubleshooting flow Page 3 –8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 53: Clocking Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Clocking troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 –9 Copyright © 2007 Nokia. All rights reserved.
Page 54: Interface Troubleshooting
• The image may be blurred, though it does not show in the viewfinder • Analyse the picture from your PC monitor, full colour setting is recommended • If possible, compare with a picture of the same motive taken with a similar Nokia device Page 3 –10...
Page 55: Camera Hardware Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Camera hardware troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 –11 Copyright © 2007 Nokia. All rights reserved.
Page 56: Camera Viewfinder Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Camera viewfinder troubleshooting Troubleshooting flow Page 3 –12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 57: Camera: Bad Image Quality Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Camera: Bad image quality troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 –13 Copyright © 2007 Nokia. All rights reserved.
Page 58: Combo Memory Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide COMBO memory troubleshooting Troubleshooting flow Page 3 –14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 59: Flash Programming Fault Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Flash programming fault troubleshooting Part 1 Issue 1 COMPANY CONFIDENTIAL Page 3 –15 Copyright © 2007 Nokia. All rights reserved.
Page 60 Figure 8 Flashing pic 1. Take single trig measurement for the rise of the BSI signal. Figure 9 Flashing pic 2. Take single trig measurement for the rise of the BSI signal. Page 3 –16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 61: Fm Radio Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide FM radio troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 –17 Copyright © 2007 Nokia. All rights reserved.
Page 62: Microsd Card Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide MicroSD card troubleshooting Context In the RM-272/273 the microSD card reader is located under the battery cover. Figure 10 Location of the microSD card reader in RM-272/273 Page 3 –18 COMPANY CONFIDENTIAL Issue 1 Copyright ©...
Page 64: User Interface Troubleshooting
Display module troubleshooting General instructions for display troubleshooting Context The RM-272/273 has three display modes: Normal mode : The display is in normal mode when the phone is in active use. • Partial idle mode : The display is in partial idle mode when the power saver is on.
Page 65 APE ID). 3. Proceed to the display troubleshooting flowcharts. Phoenix to find the detailed fault mode. Use the Display Test tool in Issue 1 COMPANY CONFIDENTIAL Page 3 –21 Copyright © 2007 Nokia. All rights reserved.
Page 66: Display Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Display troubleshooting Troubleshooting flow Page 3 –22 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 67: Backlight Troubleshooting
Keyboard backlights can be turned ON/ OFF separately but not without switching on the display lights. Display and keyboard backlight troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 3 –23 Copyright © 2007 Nokia. All rights reserved.
Page 68: Led Driver Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide LED driver troubleshooting LED driver troubleshooting Page 3 –24 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 69: Audio Troubleshooting
The results presented in the table apply when no accessory is connected and battery voltage is set to 3.7V. Earpiece, internal microphone and speaker are in place during measurement. Applying a headset accessory during measurement causes a significant drop in measured quantities. Issue 1 COMPANY CONFIDENTIAL Page 3 –25 Copyright © 2007 Nokia. All rights reserved.
Page 70 HSEAR R 22.7 1360 External Earpiece GND) and GND HSEAR L and Measurement data Figure 12 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is connected. Page 3 –26 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 71 Figure 13 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is connected. Figure 14 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected. Issue 1 COMPANY CONFIDENTIAL Page 3 –27 Copyright © 2007 Nokia. All rights reserved.
Page 72: Earpiece Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Earpiece troubleshooting Troubleshooting flow Page 3 –28 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 73: Internal Earpiece Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Internal earpiece troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 –29 Copyright © 2007 Nokia. All rights reserved.
Page 74: External Headset Earpiece Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide External headset earpiece troubleshooting Troubleshooting flow Page 3 –30 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 75: Ihf Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide IHF troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 –31 Copyright © 2007 Nokia. All rights reserved.
Page 76: Ihf Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide IHF troubleshooting Troubleshooting flow Page 3 –32 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 77: Microphone Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Microphone troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 –33 Copyright © 2007 Nokia. All rights reserved.
Page 78: Internal Microphone Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Internal microphone troubleshooting Troubleshooting flow Page 3 –34 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 79: External Headset Microphone Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide External headset microphone troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 –35 Copyright © 2007 Nokia. All rights reserved.
Page 80: Connections Troubleshooting
7. Place the JBT-9 box near (within 10 cm) the BT antenna and click Run BER Test. Results Bit Error Rate (BER) Tests pane in the Bluetooth LOCALS window. Bit Error Rate test result is displayed in the Page 3 –36 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 81: Bluetooth Self Tests In Phoenix
4. From the Mode drop-down menu, set mode to Local. 5. Choose Testing→Self Tests. Self Tests window check the following Bluetooth related tests: 6. In the • ST_LPRF_IF_TEST • ST_LPRF_AUDIO_LINES_TEST • ST_BT_WAKEUP_TEST Issue 1 COMPANY CONFIDENTIAL Page 3 –37 Copyright © 2007 Nokia. All rights reserved.
Page 82: Bluetooth Ber Failure Troubleshooting
Bluetooth BER failure troubleshooting Context Basic encoding rules, BER, is a self-identifying and self-delimiting encoding scheme, which means that each data value can be identified, extracted and decoded individually. Page 3 –38 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 83 RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Part 1: Bluetooth self test passed but BER test failed Issue 1 COMPANY CONFIDENTIAL Page 3 –39 Copyright © 2007 Nokia. All rights reserved.
Page 85: Bluetooth Audio And Ui Activation Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide Bluetooth audio and UI activation troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 –41 Copyright © 2007 Nokia. All rights reserved.
Page 86: Usb Interface Troubleshooting
RM-272; RM-273 BB Troubleshooting and Manual Tuning Guide USB interface troubleshooting Troubleshooting flow Page 3 –42 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 87: Baseband Manual Tuning Guide
• Flash the phone with the latest available software using FPS-20 or FPS-10. • Create a request file. • Send the file to Nokia by e-mail. Use the following addresses depending on your location: • APAC: sydney.service@nokia.com • CHINA: repair.ams@nokia.com •...
Page 88 Go to Flashing→Firmware Update and wait until following picture. To continue, click Start. Progress bars and messages on the screen show actions during phone programming, please wait. Page 3 –44 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 89 For this procedure, you must supply +12 V to CU-4 from an external power supply. Phoenix , choose File→Scan Product . To connect the phone with ii Choose Tools→Certificate Restore . Issue 1 COMPANY CONFIDENTIAL Page 3 –45 Copyright © 2007 Nokia. All rights reserved.
Page 90 Request file, click Start. To create the vi When the file for certificate restore has been created, send it to Nokia as an e-mail attachment. 3. Restore certificate. For this procedure, you must supply +12 V to CU-4 from an external power supply.
Page 91 To write the file to phone, click Start. Next actions Phoenix tuning functions. After a successful rewrite, you must retune the phone completely by using Important: Perform all tunings: RF, BB, and UI. Issue 1 COMPANY CONFIDENTIAL Page 3 –47 Copyright © 2007 Nokia. All rights reserved.
Page 92: Energy Management Calibration
Write and/or repeat the procedure again. Energy Management Calibration window. 10. To end the procedure, close the Page 3 –48 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 95 Figure 25 Antenna C-clips on the PWB ......................4–20 Figure 26 Auto tuning concept with CMU200....................4–22 Figure 27 Rf channel filter calibration typical values ..................4–23 Issue 1 COMPANY CONFIDENTIAL Page 4 –3 Copyright © 2007 Nokia. All rights reserved.
Page 97: Introduction To Rf Troubleshooting
Supported bands The following part of the service manual contains a description of all four GSM bands. It covers both variants, RM-272 and RM-273. Both variants support three GSM bands as follows: • RM-272: GSM900, GSM1800, GSM1900 • RM-273: GSM850, GSM1800, GSM1900 Make sure to investigate only the bands, which the phone is made for.
Page 98: Rf Key Components
Figure 17 RF key components, bottom side main board BOM1 versus BOM3 RM-272/RM-273 can use two different sources for components, resulting in two BOMs - BOM1 and BOM3. The troubleshooting is the same for both BOMs. The schematics are also identical.
Page 99 The two images below show you the different BOMs. The easiest way to identify which is which, is to look at the PA. In BOM1 the PA is RFMD and in BOM3 Renesas. Issue 1 COMPANY CONFIDENTIAL Page 4 –7 Copyright © 2007 Nokia. All rights reserved.
Page 100 RF Troubleshooting and Manual Tuning Guide Figure 18 RF block Locate the RF block, which is highlighted in the figure above. The figure below aids identifying BOM1 and BOM3. Page 4 –8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 101: Receiver Troubleshooting
When using DAU-9S select FBUS). iii From the File menu, choose product: File -> Choose Product -> xx-x* (* = type designator of the phone, eg. RM-272/273), or press Ctrl + R to scan product. iv From the toolbar, set operating mode to “Local”.
Page 102 Band Channel (RX and Input frequency Offset (kHz) Power level (MHz) (dBm) GSM850 881.66771 67.710 GSM900 942.46771 67.710 GSM1800 1842.86771 67.710 GSM1900 1960.06771 67.710 Page 4 –10 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 103: Receiver (Rx) Troubleshooting
Troubleshoot one band at a time. Start with the lowest band, and end with GSM1900. Receiver troubleshooting Apply a signal according to the table in General instructions for RX troubleshooting (page 4–9) Issue 1 COMPANY CONFIDENTIAL Page 4 –11 Copyright © 2007 Nokia. All rights reserved.
Page 106: Gsm Rx Chain Activation For Manual Measurements / Gsm Rssi Measurement
• Do not transmit on frequencies that are in use! • Transmitter can be controlled in the local mode for diagnostic purposes. • The most useful Phoenix tool for GSM transmitter testing is "RF Controls". Page 4 –14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 107 When using DAU-9S select FBUS driver). iii From the File menu, choose product: File -> Choose Product -> xx-x* (* = type designator of the phone, e.g. RM-272/273), or pressCtrl + R to scan product. iv From the toolbar, set operating mode to “Local”.
Page 108 • Set Tx PA mode to “High” (Default). • Set power level (see table below) Band Channel (RX and TX) TX power level GSM850 GSM900 GSM1800 GSM1900 Figure 22 RF Controls window Page 4 –16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 109: Transceiver (Tx) Troubleshooting
RM-272; RM-273 RF Troubleshooting and Manual Tuning Guide Transceiver (TX) troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 4 –17 Copyright © 2007 Nokia. All rights reserved.
Page 110: Checking Antenna Functionality
The antenna is functioning normally, if the contact pads hit the antenna C-clips on the PWB and the antenna is visually intact. Figure 23 Location of the GSM and BT antenna C-clips on the PWB Page 4 –18 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 111 Figure 24 GSM and BT antenna contact pads on the antenna module Antenna C-clips When checking the antenna functionality, you can also check that the antenna C-clips are intact (that is, there are no cracks/bends in them). Issue 1 COMPANY CONFIDENTIAL Page 4 –19 Copyright © 2007 Nokia. All rights reserved.
Page 113: Synthesizer Troubleshooting
RM-272; RM-273 RF Troubleshooting and Manual Tuning Guide Synthesizer troubleshooting Synthesizer troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 –21 Copyright © 2007 Nokia. All rights reserved.
Page 114: Rf Tunings
Figure 26 Auto tuning concept with CMU200 Note: Crossover Cable connection between computer and CU200 is recommended (refer to Service Devices chapter and Module Jig concept). Page 4 –22 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 115: System Mode Independent Manual Tunings
4. To save the values to the PMM (Phone Permanent Memory) area, click Write. Rf Channel Filter Calibration window, click Close. 5. To close the Results Figure 27 Rf channel filter calibration typical values Issue 1 COMPANY CONFIDENTIAL Page 4 –23 Copyright © 2007 Nokia. All rights reserved.
Page 116: Pa (Power Amplifier) Detection
1. Connect the GSM connector of the module jig to a signal generator. Phoenix service software. 2. Start 3. From the Operating mode drop-down menu, set mode to Local. 4. Choose Tuning→GSM→Rx Calibration . Page 4 –24 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 117 Rx Calibration with band EGSM900 (step 1-3) pop-up window. Important: The calibration uses a non-modulated CW signal. Increase the signal generator level by cable attenuation and module jig probe attenuation. Issue 1 COMPANY CONFIDENTIAL Page 4 –25 Copyright © 2007 Nokia. All rights reserved.
Page 118 -80..40 AFC slope 108..121 RSSI (AGC-0) 107..110 GSM900 AFC Value (init) -200 -105..62 AFC slope RSSI (AGC-0) 107...110 GSM1800 RSSI (AGC-0) 105...109 GSM1900 RSSI (AGC-0) 105...109 Page 4 –26 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 119: Rx Band Filter Response Compensation (Gsm)
Connect the GSM connector of the module jig to a signal generator. Phoenix service software. Start From the Operating mode drop-down menu, set mode to Local. Issue 1 COMPANY CONFIDENTIAL Page 4 –27 Copyright © 2007 Nokia. All rights reserved.
Page 120 Rx Band Connect the signal generator to the phone, and set frequency and amplitude as instructed in the Filter Response Compensation for EGSM850/EGSM900 pop-up window, step 1-3. Page 4 –28 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 121 Ch. 251/893.86771 MHz Ch. 261/895.86771 MHz GSM900 Ch. 965 / 923.26771 MHz Ch. 975 / 925.26771 MHz Ch. 987 / 927.66771 MHz Ch. 1009 / 932.06771 MHz Issue 1 COMPANY CONFIDENTIAL Page 4 –29 Copyright © 2007 Nokia. All rights reserved.
Page 122: Gsm Transmitter Tunings
The Tx path branches to I and Q signals at RF I/Q modulator. Modulator and analog hardware located after it cause unequal amplitude and phase disturbance to I and Q signal paths. Tx IQ tuning balances the I and Q branches. Page 4 –30 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 123 If they are not within the limits, check Tx IQ quality manually. Unit GSM850 I DC offset / Q DC offset Ampl Phase ° GSM900 Issue 1 COMPANY CONFIDENTIAL Page 4 –31 Copyright © 2007 Nokia. All rights reserved.
Page 124: Tx Power Level Tuning (Gsm)
1. Connect the phone to a spectrum analyzer. Phoenix service software. 2. Start 3. From the Operating mode drop-down menu, set mode to Local. 4. Choose Tuning→GSM→Tx Power Level Tuning . Page 4 –32 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 125 6. Set the spectrum analyzer for power level tuning: Frequency Channel frequency: • 836.6 MHz GSM850 • 897.4MHz GSM900 • 1747.8MHz GSM1800 • 1880MHz GSM1900 Span 0 Hz Sweep time Trigger Video triggering (-10dBm) Issue 1 COMPANY CONFIDENTIAL Page 4 –33 Copyright © 2007 Nokia. All rights reserved.
Page 126 9. Adjust power for all bold power levels to correspond the Target dBm column by pressing + or – keys. Next actions Continue tuning the bold power levels of the GSM900, GSM1800 and GSM1900 bands. You will see this message, if finished successfully: Page 4 –34 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 129 Figure 31 FM radio interface ..........................5–11 Figure 32 SIM interface connections ......................... 5–12 Figure 33 Audio block diagram.......................... 5–14 Figure 34 Bluetooth interface block diagram ....................5–15 Issue 1 COMPANY CONFIDENTIAL Page 5 –3 Copyright © 2007 Nokia. All rights reserved.
Page 131: Phone Description
Tahvo and all other in Retu. The RF part is based on the ASIC Ahne. RM-272/273 is a monoblock phone, in which all electrical components are assembled into one PWB. RM-272 operates on the GSM 900/1800/1900 bands.
Page 134: Engine
Engine modules The engine contains • RF module with Ahne ASIC • Main processor with integrated memory (Baseband) • Energy management - Retu and Tahvo (Baseband) Page 5 –8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 135: Rf Engine
• Digital core supply • Current control for LED supply Retu The blocks that do not have special needs are included in Retu. Retu controls for example: Issue 1 COMPANY CONFIDENTIAL Page 5 –9 Copyright © 2007 Nokia. All rights reserved.
Page 136: Battery And Charging
The BSI line is used to recognize the battery capacity by a battery internal pull down resistor. Charging This phone is charged through the smaller Nokia standard interface (2.0 mm plug). The old standard charger (3.5 mm) can be used together with the CA-44 charger adapter.
Page 137: Interfaces
This phone uses a single-chip electronically tuned FM stereo radio with low voltage application. Figure 31 FM radio interface Camera Camera interface The RM-272/273 has a 2.0 Megapixel camera, supported by a hardware accelerator. Issue 1 COMPANY CONFIDENTIAL Page 5 –11...
Page 138: Sim
(RST) signal to the SIM. In addition, the SIMCardDet signal is connected to Retu. The SIM interface is powered up when the SIMCardDet signal indicates “card in”. Page 5 –12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 139: Μsd Card Interface
The functional core of the audio hardware is built around two ASICs; RAP engine and Retu. Retu provides an interface for the trancducers and the AV connector. There are three audio transducers: • 1 dynamic earpiece Issue 1 COMPANY CONFIDENTIAL Page 5 –13 Copyright © 2007 Nokia. All rights reserved.
Page 140: Internal Audio
Figure 33 Audio block diagram Internal audio The internal audio components are used in these modes: Hand portable (HP) mode Internal hands free (IHF) mode Microphone Earpiece Speaker Page 5 –14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 141: Connections
This bluetooth solution is a single chip solution. Bluetooth connects to RAPGSM on the GENIO and GPIO busses. The Bluetooth module is provided with power from VBat. Figure 34 Bluetooth interface block diagram Issue 1 COMPANY CONFIDENTIAL Page 5 –15 Copyright © 2007 Nokia. All rights reserved.
Page 142: Technical Specifications
The hardware module complies with the SPR4 Operating Conditions. Electrical characteristics Table 11 Normal and extreme voltages Voltage Voltage (V) Condition General conditions Nominal voltage Lower extreme voltage 3.06 Page 5 –16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 143: Main Rf Characteristics
EGSM900: 880 ... 915 MHz GSM1800: 1710 ...1785 MHz GSM1900: 1850...1910 MHz Duplex spacing GSM850: 45 MHz EGSM900: 45 MHz GSM1800: 95 MHz GSM1900: 80 MHz Channel spacing 200 kHz Issue 1 COMPANY CONFIDENTIAL Page 5 –17 Copyright © 2007 Nokia. All rights reserved.
Page 144 GMSK 33/33/30/30 dBm (GSM850/EGSM900/GSM1800/ 8-PSK 26.5/26.5/25.5/25.5 dBm GSM1900) Gain control range min. 30 dB Phase error (RMS/peak), GMSK 5 deg./20 deg. peak EVM (RMS/peak), 8-PSK 10%/30% Page 5 –18 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 145 Total typical receiver voltage gain (from 86 dB antenna to RX ADC) Receiver output level (RF level -95 dBm) 40 mVpp, single-ended I/Q signals to RX ADCs Issue 1 COMPANY CONFIDENTIAL Page 5 –19 Copyright © 2007 Nokia. All rights reserved.
Page 149 D/A-converter Digital-to-analouge converter Digital-to-analouge converter Digital Battery Interface DBus DSP controlled serial bus connected between UPP_WD2 and Helgo DCT-4 Digital Core Technology Direct memory access Data Package Issue 1 COMPANY CONFIDENTIAL Page Glossary–3 Copyright © 2007 Nokia. All rights reserved.
Page 150 Integrated hands free IMEI International Mobile Equipment Identity Infrared IrDA Infrared Data Associasion Intelligent software architecture JPEG/JPG Joint Photographic Experts Group Liquid Crystal Display Low Drop Out Page Glossary–4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
Page 151 Serial control Bus For RF Right Soft Key RS-MMC Reduced size Multi Media Card RSSI Receiving signal strength indicator Reset Switch Real Time Clock (provides date and time) Issue 1 COMPANY CONFIDENTIAL Page Glossary–5 Copyright © 2007 Nokia. All rights reserved.
Page 152 Peak-to-peak voltage VSIM SIM voltage Wireless application protocol Watchdog XHTML Extensible hypertext markup language Zocus Current sensor, (used to monitor the current flow to and from the battery) Page Glossary–6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.

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