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 WCDMA networks and cause problems to 3G cellular phone communication in a wide area. • During testing never activate the GSM or WCDMA transmitter without a proper antenna load, otherwise GSM or WCDMA PA may be damaged. Page iv COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 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 © 2011 Nokia. All rights reserved.
Page 6 RM-750 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 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 9 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. Issue 1 COMPANY CONFIDENTIAL Page ix Copyright © 2011 Nokia. All rights reserved.
Page 11 1 General Information 2 Service Tools and Service Concepts 3 BB Troubleshooting and Manual Tuning Guide 4 Camera Module Troubleshooting 5 Cellular RF troubleshooting 6 System Module Glossary Issue 1 COMPANY CONFIDENTIAL Page xi Copyright © 2011 Nokia. All rights reserved.
Page 15: Table Of Contents
Table 1 Audio ................................. 1–9 Table 2 Car................................1–9 Table 3 Data ................................ 1–10 Table 4 Power ..............................1–10 List of Figures Figure 1 RM-750..............................1–5 Issue 1 COMPANY CONFIDENTIAL Page 1 – 3 Copyright © 2011 Nokia. All rights reserved.
Page 17: Product Selection
Bluetooth 2.1 + EDR standard. The device uses Symbian ^3 for Nokia devices operating system, and supports the full Web Browser for S60, which brings desktop-like Web browsing experience to mobile devices. It also supports MIDP Java 2.1 , providing a good platform for compelling 3rd party applications.
Page 18: Product Features And Sales Package
• Digital Ambient Light Sensor (ALS) – used to optimize display/key brightness and power consumption • Slideshow from Gallery Share • Nokia XpressShare - share effortlessly from Gallery or after capture via Email, Bluetooth or MMS • Social client 1.3 • Video call and video sharing support. (WCDMA services) Page 1 –...
Page 19 • Online Album: Image/Video uploading from Gallery Store • 2 GB memory card (inbox) • Nokia XpressTransfer – easy to transfer and organize photos and video between your device and a compatible PC Music • Digital music player: supports MP3/ AAC/ eAAC/ eAAC+/ VAW/WMA/ AMR-NB/ AMR-WB with playlists, equalizer and album art •...
Page 20: Product And Module List
RM-750 General Information • Nokia Maps 3.0, including Friend Finder • WLAN - IEEE802.11 g/b/n with UPnP support • Micro USB interface with USB 2.0 high speed • Bluetooth wireless technology 2.1 + EDR + A2DP • MicroSD memory card - support up to 32 GB •...
Page 21: Mobile Enhancements
BH-608 BH-609 BH-610 BH-806 BH-903 BH-905, BH905i Wired speakers MD-3 MD-4 MD-6 MD-8 MD–9 Table 2 Car Enhancement Type Nokia universal mobile holder CR-114 CR-115 Issue 1 COMPANY CONFIDENTIAL Page 1 – 9 Copyright © 2011 Nokia. All rights reserved.
Page 22: Table 3 Data
MU-22, 1 GB MU-37, 2 GB (inbox) MU-41, 4 GB MU-43, 8GB MU-44, 16GB MU-45 32GB Table 4 Power Enhancement Type Battery 1100 mAh Li-ion BL-4U Page 1 – 10 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 23: Technical Specifications
WCDMA V (850): 869 - 894 MHz WCDMA IV (1700/2100): 2110 - 2155 MHz WCDMA II (1900): 1930 - 1990 MHz WCDMA I (2100): 2110 - 2170 MHz Issue 1 COMPANY CONFIDENTIAL Page 1 – 11 Copyright © 2011 Nokia. All rights reserved.
Page 24 WCDMA V (850): 108 WCDMA IV (1700/2100): 211 WCDMA II (1900): 289 WCDMA I (2100): 277 Channel spacing 200 kHz (WCDMA II, IV and V 100/200 kHz) Page 1 – 12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 25: Main Rf Characteristics For Gsm850/900/1800/1900 And Wcdma Viii/Iv/Ii/I Phones
WCDMA VIII (900): 880 - 915 MHz WCDMA IV (1700/2100): 1710 - 1755 MHz WCDMA II (1900): 1850 - 1910 MHz WCDMA I (2100): 1920 - 1980 MHz Issue 1 COMPANY CONFIDENTIAL Page 1 – 13 Copyright © 2011 Nokia. All rights reserved.
Page 26: Battery Endurance
Talk time Stand-by BL-4U 1100 Up to 7 h (GSM) Up to 18 days (GSM) Up to 5 h (WCDMA) Up to 20 days (WCDMA) Page 1 – 14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 27: Environmental Conditions
The standard for electrostatic discharge is IEC 61000-4-2, and this device fulfils level 4 requirements. RoHS This device uses RoHS compliant components and lead-free soldering process. Issue 1 COMPANY CONFIDENTIAL Page 1 – 15 Copyright © 2011 Nokia. All rights reserved.
Page 31: Table Of Contents
Figure 4 Level 3 concept for flashing, certificate restore and product code change ........2–13 Figure 5 Bluetooth testing concept with SB-6 ....................2–14 Figure 6 WLAN functionality testing concept with SB-7................. 2–15 Issue 1 COMPANY CONFIDENTIAL Page 2 – 3 Copyright © 2011 Nokia. All rights reserved.
Page 33: Service Tools
Input 100V…230V 50Hz…60Hz, output voltage of 12 V and output current up to 3 A. ACF-8 Universal power supply The ACF-8 universal power supply is used to power FLS-5. Issue 1 COMPANY CONFIDENTIAL Page 2 – 5 Copyright © 2011 Nokia. All rights reserved.
Page 34: Fps-21
In order to access the SD memory card slots inside FPS-21, the prommer needs to be opened by removing the front panel, rear panel and heatsink from the prommer body. Page 2 – 6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 35 PK-1 is meant for use with a PC that does not have a series interface. To use this USB dongle for security service functions please register the dongle in the same way as the PKD-1 series dongle. Issue 1 COMPANY CONFIDENTIAL Page 2 – 7 Copyright © 2011 Nokia. All rights reserved.
Page 36 Place the phone on coordinates "E-1" for testing. SRT-6 Opening tool SRT-6 is used to open phone covers. Note: The SRT-6 is included in the Nokia Standard Toolkit. Page 2 – 8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 37: Cables
PWB. SS-93 Opening tool SS-93 is used for opening JAE connectors. Note: The SS-93 is included in Nokia Standard Toolkit. SX-4 Smart card SX-4 is a BB5 security device used to protect critical features in tuning and testing.
Page 38: Ca-31D
The CA-31D USB cable is used to connect FPS-21 to a PC. It is included in the FPS-21 sales package. CA-89DS Cable Provides VBAT and Flashbus connections to mobile device programming adapters. Page 2 – 10 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 39: Service Concepts
Service concepts POS (Point of Sale) flash concept Figure 2 POS flash concept Type Description Product specific tools SD-82 Care dummy battery Other tools Issue 1 COMPANY CONFIDENTIAL Page 2 – 11 Copyright © 2011 Nokia. All rights reserved.
Page 40: Bb5 Usb Only - Basic Flash Concept L3
Figure 3 BB5 USB only – Basic flash concept L3 Type Description Product specific devices SD-82 Care dummy battery Other devices PK-1 SW security device PC with Phoenix service software Page 2 – 12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 41: Table 2 Car
Flash prommer box AC-35 Power supply PK-1 SW security device SX-4 Smart card (for DCT-4 generation mobile device programming) PC with Phoenix service software Cables Issue 1 COMPANY CONFIDENTIAL Page 2 – 13 Copyright © 2011 Nokia. All rights reserved.
Page 42: Bluetooth Testing Concept With
Battery Other devices PK-1 SW security device SX-4 Smart card SB-6 Bluetooth test and interface box Smart card reader PC with Phoenix service software Cables Page 2 – 14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 43: Wlan Functionality Testing Concept With Sb-7
Product specific tools BL-4U Battery Other tools SX-4 Smart card PK-1 SW Security device Note: PK-1 can be used instead of PKD-1. Cables CA-101 Micro USB cable Issue 1 COMPANY CONFIDENTIAL Page 2 – 15 Copyright © 2011 Nokia. All rights reserved.
Page 47 WLAN TX BiP testing procedure in Phoenix ....................3–42 WLAN TX BiP testing procedure in Care Suite Testing and Tuning Tool ..........3–44 WLAN troubleshooting ..........................3–48 GPS troubleshooting ............................3–49 Issue 1 COMPANY CONFIDENTIAL Page 3 – 3 Copyright © 2011 Nokia. All rights reserved.
Page 48 Figure 12 Bluetooth BER test in Phoenix ......................3–38 Figure 13 GPS Quick Test window ........................3–49 Figure 14 GPS Control dialogue box ......................... 3–50 Page 3 – 4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 49: Baseband Main Troubleshooting
Always start the troubleshooting procedure by running the Phoenix self tests. If a test fails, please follow the Dead or jammed device diagrams below. If the phone is dead and you cannot perform the self tests, go to troubleshooting . Issue 1 COMPANY CONFIDENTIAL Page 3 – 5 Copyright © 2011 Nokia. All rights reserved.
Page 53: Power And Charging Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Power and charging troubleshooting Battery current measuring fault troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 9 Copyright © 2011 Nokia. All rights reserved.
Page 54: General Power Checking Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide General power checking troubleshooting Troubleshooting flow Page 3 – 10 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 55: Dead Or Jammed Device Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Dead or jammed device troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 11 Copyright © 2011 Nokia. All rights reserved.
Page 56: Dynamo Charging Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Dynamo charging troubleshooting Troubleshooting flow Page 3 – 12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 57: Usb Charging Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide USB charging troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 13 Copyright © 2011 Nokia. All rights reserved.
Page 58: Interface Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Interface troubleshooting USB flashing fault troubleshooting Troubleshooting flow Page 3 – 14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 59: Sim Card Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide SIM card troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 15 Copyright © 2011 Nokia. All rights reserved.
Page 60: Microsd Card Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide MicroSD card troubleshooting Troubleshooting flow Page 3 – 16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 61: Display Module Troubleshooting
Combined sub-pixel defects are characterized by at least two sub-pixels defects (bright or dim) being closer than 5 mm to each other. Issue 1 COMPANY CONFIDENTIAL Page 3 – 17 Copyright © 2011 Nokia. All rights reserved.
Page 62 2 dim dots pixel defect blue dim dots Temporal sub- Not allowed pixel defect Note: Blinking pixels are not allowed in normal operating temperatures and light conditions. Page 3 – 18 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 63: Display Fault Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Display fault troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 19 Copyright © 2011 Nokia. All rights reserved.
Page 64: Touch Panel Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Touch panel troubleshooting Troubleshooting flow Page 3 – 20 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 65: Keyboard Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Keyboard troubleshooting Keyboard troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 21 Copyright © 2011 Nokia. All rights reserved.
Page 66: Keyboard Backlight Troubleshooting
Note that if the phone is not stable during the self test, the test may fail because the first measurement is not for a static situation as it should. Page 3 – 22 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 67: Magnetometer Troubleshooting
If the self test fails, the result is 'Minor', a pop-up window will open and the error cause can be read from Detailed Result. The data is in hexadecimal format and, to find out the failure details, needs to be converted into binary format. Issue 1 COMPANY CONFIDENTIAL Page 3 – 23 Copyright © 2011 Nokia. All rights reserved.
Page 68: Als Technical Description And Troubleshooting
If the self test result is 'Minor', a pop-up window will open and the error can be identified from Detailed Result (see the following figure). Page 3 – 24 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 69: Als Functionality Check And Calibration
If the diagnostics PC is equipped with a PC speaker, a short beep can be heard if the 'Sensor state' is read 'ON'. The sensor state will of course change accordingly. Issue 1 COMPANY CONFIDENTIAL Page 3 – 25 Copyright © 2011 Nokia. All rights reserved.
Page 70: Audio Troubleshooting
Audio can be tested using the Phoenix audio routings option. Three different audio loop paths can be activated: • External headset mic to earpiece • External headset mic to IHF mono • Internal digital microphone to headset Page 3 – 26 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 71 IHF L4857 & mono L4858 Internal Acoustical HS_L & GND 94 dBSPL digital Input, 1kHz HS_R & GND microphon sine wave e to headset Issue 1 COMPANY CONFIDENTIAL Page 3 – 27 Copyright © 2011 Nokia. All rights reserved.
Page 72: External Earpiece Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide External earpiece troubleshooting Troubleshooting flow Page 3 – 28 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 73: External Microphone Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide External microphone troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 29 Copyright © 2011 Nokia. All rights reserved.
Page 74: Internal Handsfree (Ihf) Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Internal handsfree (IHF) troubleshooting Troubleshooting flow Page 3 – 30 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 75: Internal Microphone Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Internal microphone troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 31 Copyright © 2011 Nokia. All rights reserved.
Page 76: Acoustics Troubleshooting
The phone should be dry and clean, and no objects must be located in such a way that they close any of the holes. Page 3 – 32 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 77: Earpiece Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Earpiece troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 33 Copyright © 2011 Nokia. All rights reserved.
Page 78: Ihf Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide IHF troubleshooting Troubleshooting flow Page 3 – 34 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 79: Microphone Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Microphone troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 35 Copyright © 2011 Nokia. All rights reserved.
Page 80: Vibra Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Vibra troubleshooting Troubleshooting flow Page 3 – 36 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 81: Bluetooth/Fm Radio Troubleshooting
JBT-9, or SB-6 Bluetooth test box (BT-box) is required to perform a BER test. If a BT-box is not available, Bluetooth functionality can be checked by transferring a file to another Bluetooth phone. Issue 1 COMPANY CONFIDENTIAL Page 3 – 37 Copyright © 2011 Nokia. All rights reserved.
Page 82 Address line. 7. Place the BT-box near (within 10 cm) of the phone and click Start BER Test. Figure 12 Bluetooth BER test in Phoenix Page 3 – 38 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 83: Bluetooth Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide Bluetooth troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 39 Copyright © 2011 Nokia. All rights reserved.
Page 84: Fmrx Radio Receiver Testing
Note: You may alternately use a known good FM radio broadcast as a test signal. 2. Attach the Nokia headset to the phone’s AV connector. 3. Use Scroll button to autotune to the radio frequency. 4. Set volume to suitable level.
Page 85: Fm Radio Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide FM radio troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 41 Copyright © 2011 Nokia. All rights reserved.
Page 86: Wlan Troubleshooting
This is an alternative procedure to tune the WLAN TX. The other, recommended procedure is described in chapter RM-750 WLAN TX Tuning in TT tool (page 3–44 ) Page 3 – 42 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 87 Phoenix service software. Start Choose File → Scan Product. Choose Tuning → WLAN_TX_TUNING. See the following figure. Select “Sub-Band 0” as indicated in the figure. Issue 1 COMPANY CONFIDENTIAL Page 3 – 43 Copyright © 2011 Nokia. All rights reserved.
Page 88: Wlan Tx Bip Testing Procedure In Care Suite Testing And Tuning Tool
WLAN TX. The results are displayed and logged in a result file, if initiated. Steps 1. Make sure the phone is connected to the PC. Page 3 – 44 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 89 3. To open the application, double-click the Testing And Tuning Tool icon. 4. If the application is able to find a connected phone, the following view will open: Issue 1 COMPANY CONFIDENTIAL Page 3 – 45 Copyright © 2011 Nokia. All rights reserved.
Page 90 5. Click on the RF Tuning button and select from the drop-down menu: 6. RF tunings will be ready when all the tunings and measurements are green in the tool window and no errors occur. Page 3 – 46 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 91 BB Troubleshooting and Manual Tuning Guide 7. If errors do happen, failed tuning/testing steps are marked with a red color and more detailed results are shown on the screen. Issue 1 COMPANY CONFIDENTIAL Page 3 – 47 Copyright © 2011 Nokia. All rights reserved.
Page 92: Wlan Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide WLAN troubleshooting Troubleshooting flow Page 3 – 48 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 93: Gps Troubleshooting
A good starting point is to set up the signal generator to -50 dBm. GPS failure troubleshooting . These checks are part of Figure 13 GPS Quick Test window Issue 1 COMPANY CONFIDENTIAL Page 3 – 49 Copyright © 2011 Nokia. All rights reserved.
Page 94: Gps Control
GPS_En_Reset & SleepX should be high, and Vdd_Dig, Vcc_TCXO & Vcc_PLL/VCO will be present. Receiver On turns on all RF sections of the ASIC and so all LDOs will be on. Page 3 – 50 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 95: Gps Basic Checks Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide GPS basic checks troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 3 – 51 Copyright © 2011 Nokia. All rights reserved.
Page 96: Gps Failure Troubleshooting
RM-750 BB Troubleshooting and Manual Tuning Guide GPS failure troubleshooting Troubleshooting flow Page 3 – 52 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 97: Baseband Manual Tuning Guide
• When certificate restoring for BB 5 products or IMEI rebuild for DCT-4 products is performed, existing data from Nokia System is programmed in the phone. The phone will be in the same condition as it was when it left the factory for the first time.
Page 98 5. Product code shown on the UI does not matter, because during restoring it will be replaced by the product code which is the latest one stored in Nokia system. 6. It is recommended to perform "Restore"-function without selecting "Flash Product"-option to avoid possible SW downgrade which causes the phone to die.
Page 99 RM-750 BB Troubleshooting and Manual Tuning Guide 7. Information from phone and Smart Card are read and connection to Tucson server is established. 8. Information from Nokia system is retreived and programmed in the phone. Issue 1 COMPANY CONFIDENTIAL Page 3 – 55...
Page 100: Product Code Change
Nokia System, and programmed in the phone. • After successful change, phone specific information in Nokia systems will match the new variant, and it can be used for e.g. certificate restoring. If you perform several product code changes, Nokia system will always be up to date with the latest successful event.
Page 101 Select product code of new variant from list. If the product code you want is not shown, please install correct data package including the variant. Select “OK” and “SWAP”. Issue 1 COMPANY CONFIDENTIAL Page 3 – 57 Copyright © 2011 Nokia. All rights reserved.
Page 102 BB Troubleshooting and Manual Tuning Guide Information from phone is read and connection to Tucson server is established. If “Flash Product” – option was selected, phone SW is programmed. Page 3 – 58 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 103 RM-750 BB Troubleshooting and Manual Tuning Guide New data retrieved from Nokia system is programmed in the phone. Confirmation about successful event is sent to Nokia system. Issue 1 COMPANY CONFIDENTIAL Page 3 – 59 Copyright © 2011 Nokia. All rights reserved.
Page 104: Energy Management Calibration
Energy Management (EM) calibration is performed to calibrate the setting (gain and offset) of AD converters in several channels (that is, battery voltage, BSI, battery current) to get an accurate AD conversion result. Hardware setup: Page 3 – 60 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 105 Write and/or repeat the procedure again. Energy Management Calibration window. 10. To end the procedure, close the Issue 1 COMPANY CONFIDENTIAL Page 3 – 61 Copyright © 2011 Nokia. All rights reserved.
Page 109 4–5 Camera troubleshooting............................4–6 Camera troubleshooting..........................4–6 Camera baseband troubleshooting........................ 4–6 Camera no recognizable viewfinder image troubleshooting..............4–7 Camera bad image quality troubleshooting ....................4–8 Issue 1 COMPANY CONFIDENTIAL Page 4 – 3 Copyright © 2011 Nokia. All rights reserved.
Page 111: Taking And Evaluating Test Pictures
• 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 • If camera has auto focus: Remember that the white focussing frame which appears when the camera button is pressed halfway down, must turn green for auto focus lock.
Page 112: Camera Troubleshooting
RM-750 Camera Module Troubleshooting Camera troubleshooting Camera troubleshooting Troubleshooting flow Page 4 – 6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 113: Camera Baseband Troubleshooting
RM-750 Camera Module Troubleshooting Camera baseband troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 4 – 7 Copyright © 2011 Nokia. All rights reserved.
Page 114: Camera No Recognizable Viewfinder Image Troubleshooting
RM-750 Camera Module Troubleshooting Camera no recognizable viewfinder image troubleshooting Troubleshooting flow Page 4 – 8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 115: Camera Bad Image Quality Troubleshooting
RM-750 Camera Module Troubleshooting Camera bad image quality troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 4 – 9 Copyright © 2011 Nokia. All rights reserved.
Page 119 Self test troubleshooting..........................5–9 Troubleshooting with RF Self tests......................5–9 RF tuning and testing ............................5–11 RF auto tuning and testing with Nokia Care Suite..................5–11 RF auto tuning procedure ..........................5–11 Automatic RF testing with Nokia Care Suite....................5–15 Troubleshooting with Testing And Tuning Tool ..................
Page 121: General Instructions For Cellular Rf Troubleshooting
All measurements should be done using: • An oscilloscope for low frequency and DC measurements. Recommended probe: 10:1, 10 Mohm//8 pF. • Willtek 440x/3100, Rohde & Schwarz CMU-200 or CMW-500 radio communication tester. Note: A mobile phone WCDMA transmitter should never be tested with full TX power (permitted only if measurements and tests are performed in an RF-shielded environment).
Page 122: Cellular Rf Main Troubleshooting
All RF shields are solid and should not be opened in service centers. Cellular RF main troubleshooting Cellular RF main troubleshooting Context Always start the cellular RF related troubleshooting procedure by following the diagram below. Page 5 – 6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 125: Self Test Troubleshooting
• Tests the basic functionality of the WCDMA transmitter. To get the best out of these instructions you need to have the valid schematics at hand. Issue 1 COMPANY CONFIDENTIAL Page 5 – 9 Copyright © 2011 Nokia. All rights reserved.
Page 127: Rf Tuning And Testing
'Service Tools and Service Concepts'. Nokia Care Suite preparations Install Testing And Tuning Tool add-on application to Nokia Care Suite. Automatic RF testing and tuning is not possible without this application. There is no more support in Phoenix to auto tune RM-750 product.
Page 128 To open the application, double-click Testing And Tuning Tool icon. If the application is able to find a connected phone, the following view will open: Page 5 – 12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 129 RM-750 Cellular RF troubleshooting Nokia Care Suite and Testing And Tuning Note: The window appearance may differ depending on the Tool versions Click on the RF Tuning button. The following view opens: Nokia Care Suite and Testing And Tuning Note:...
Page 130 RM-750 Cellular RF troubleshooting Nokia Care Suite and Testing And Tuning Note: The window appearance may differ depending on the Tool versions 10 If no critical errors happen during the low band RF tuning procedure, the following window will pop up: 11 Change the CA-158RS cable to the high band RF connector on the phone PWB.
Page 131: Automatic Rf Testing With Nokia Care Suite
RM-750 Cellular RF troubleshooting Automatic RF testing with Nokia Care Suite Testing And Tuning Tool add-on application can be used also for non-signalling RF tests. The automatic RF RF auto tuning procedure , but RF Testing should testing procedure is the same as explained in the chapter Testing And Tuning Tool main window instead of RF Tuning .
Page 132: Troubleshooting With Testing And Tuning Tool
50 Ω load to the RF connector (antenna, RF measurement equipment or at least a 2 W dummy load), otherwise the power amplifier (PA) may be damaged. Page 5 – 16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 133: Gsm Transmitter Activation
(for example CMU–200). Change power level (in “RF Controls” tool) and make sure the power reading follows accordingly. Issue 1 COMPANY CONFIDENTIAL Page 5 – 17 Copyright © 2011 Nokia. All rights reserved.
Page 135: Wcdma Transmitter Activation
Optional step (not needed if WCDMA TX activation only required): Check the basic TX parameters using a communication analyzer (for example CMU–200). Issue 1 COMPANY CONFIDENTIAL Page 5 – 19 Copyright © 2011 Nokia. All rights reserved.
Page 136: Manual Receiver (Rx) Testing With Phoenix
For GSM RSSI measurements, see chapter measurements/GSM RSSI measurement . For a similar test in WCDMA mode, see chapter WCDMA RSSI measurement . Page 5 – 20 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 137: Gsm Rx Chain Activation For Manual Measurements/Gsm Rssi Measurement
1. Set the phone to local mode. RX Control tool in Phoenix (Testing —> WCDMA —> RX Control) . 2. Activate 3. In the RX Control window, make the following settings: Issue 1 COMPANY CONFIDENTIAL Page 5 – 21 Copyright © 2011 Nokia. All rights reserved.
Page 138: Wcdma Rssi Measurement
RX frequency 2140.0 MHz 1960.0 MHz 2132.4 MHz 881.6 MHz 942.4 MHz Signal generator 2141.0 MHz 1961.0 MHz 2133.4 MHz 882.6 MHz 943.4 MHz frequency Page 5 – 22 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 139: Antenna
The RF antennas are located at the lower end of the phone and the WLAN/BT and GPS antennas at the top part of the phone. The connection from the phone PWB to the antennas is implemented by spring contacts (3 pcs). Issue 1 COMPANY CONFIDENTIAL Page 5 – 23 Copyright © 2011 Nokia. All rights reserved.
Page 140: Antenna Troubleshooting
There are two antenna matching components (C7402 and C7413) on the PWB. Check that they are properly soldered. In case of damage, replace the component. Figure 16 Antenna contacts and matching components Page 5 – 24 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 143 WCDMA I (2100) Rx frequencies ........................6–35 WCDMA I (2100) Tx frequencies ........................6–36 WCDMA II (1900) frequencies ........................6–37 WCDMA IV (1700/2100) frequencies ......................6–38 Issue 1 COMPANY CONFIDENTIAL Page 6 – 3 Copyright © 2011 Nokia. All rights reserved.
Page 144 Figure 37 External earpiece and microphone diagram.................. 6–27 Figure 38 Vibra diagram ............................ 6–27 Figure 39 AV connector............................6–28 Figure 40 Linko RF block diagram ........................6–29 Page 6 – 4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 145: Introduction
Board-to-board connector X1561 RF connectors X7402 X7403 USB transceiver ISP1707 / FUSB2500 D3300 MicroSD connector Toivo X3200 USB connector Micro USB-AB X3300 SIM connector Trap X2701 Issue 1 COMPANY CONFIDENTIAL Page 6 – 5 Copyright © 2011 Nokia. All rights reserved.
Page 146 3-axis magnetic sensor 3D Entry N6510 Proximity sensor and Dipro N1100 Digital Ambient Light Sensor Dynamo charging circuit BQ24156 N3350 USB charging circuit BQ24153 N3301 Camera socket SMIA X1476 Page 6 – 6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 149: Energy Management
RM-750 System Module System module block diagram Energy management Battery and charging BL-4U battery Issue 1 COMPANY CONFIDENTIAL Page 6 – 9 Copyright © 2011 Nokia. All rights reserved.
Page 150 Figure 18 Blade battery connector Charging This phone is charged through the smaller Nokia standard interface (2.0 mm plug). The wider standard charger (3.5 mm) can be used together with the CA-44 charger adapter. Figure 19 Small (right) and wide (left) charger plugs Charging is controlled by energy management, and external components are needed to protect the baseband module against EMC, reverse polarity and transient frequency deviation.
Page 151: Normal And Extreme Voltages
All regulators are disabled, PURX is on low state, the RTC is on and the oscillator is on. PWR_OFF (cold) mode is almost the same as PWR_OFF (warm), but the RTC and the oscillator are off. Issue 1 COMPANY CONFIDENTIAL Page 6 – 11 Copyright © 2011 Nokia. All rights reserved.
Page 152 SLEEP mode is entered only from PWR_ON mode with the aid of SW when the system’s activity is low. FLASHING FLASHING mode is for SW downloading. Page 6 – 12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 155: Sim Interface
BTHFM module. Bluetooth is physically integrated with FM radio in the BTHFM module ASIC, but from a functional point of view they have nothing in common Issue 1 COMPANY CONFIDENTIAL Page 6 – 15 Copyright © 2011 Nokia. All rights reserved.
Page 156: Gps Module
The device supports GPSCost4.0 release. GPS module is connected to cellular engine via I2C interface and GenIO control signals. GPS clock configuration includes dedicated GPS TCXO and reference clock from Vapaus. Page 6 – 16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 157: Usb
The phone has an interface for USB (Universal Serial Bus). USB is a differential serial bus that provides a wired connectivity between a PC and peripheral devices, as in this case a mobile phone. Issue 1 COMPANY CONFIDENTIAL Page 6 – 17 Copyright © 2011 Nokia. All rights reserved.
Page 158: Microusb Connector
CA-44. Charging is controlled by Dynamo charging SMPS circuit. EM ASIC is used only for waking up the system when the charger is connected. Page 6 – 18 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 159: User Interface
Whenever the user touches the touch screen, the controller raises an interrupt to RAPU which initiates I2C transactions to identify the locations the user touches on the display. Figure 26 Touch system block diagram Issue 1 COMPANY CONFIDENTIAL Page 6 – 19 Copyright © 2011 Nokia. All rights reserved.
Page 160: Proximity Sensor And Ambient Light Sensor (Als)
The data interface between display buffer and display is CDP (Compact Display Port), display commands are sent by LoSSI interface. The display backlight control is controlled by the display. Page 6 – 20 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 161: Camera Interface
I2C bus, port 0. The camera is supplied by separate voltage regulators enabled by the camera software (GENIOs). Control signals to and from the camera flash driver are connected directly to RAPU (GENIOs). Issue 1 COMPANY CONFIDENTIAL Page 6 – 21 Copyright © 2011 Nokia. All rights reserved.
Page 162: Illumination
Key illumination is handled by the RGB 3 channel LED driver NJOY-3. One white LED, V1100, is connected in parallel to the outputs of the NJOY-3 LED driver. Figure 30 Illumination Page 6 – 22 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 163: Keyboard Interface
• ±2g/±8g dynamically selectable scale • I C/SPI digital output interface • Embedded self test • 10000g high shock survivability • Pb free/RoHS compliancy Figure 31 Accelerometer Issue 1 COMPANY CONFIDENTIAL Page 6 – 23 Copyright © 2011 Nokia. All rights reserved.
Page 164: Magnetometer
• Digital interface supply +1.70V to analogue supply voltage. Figure 32 Magnetometer Audio concept Audio interface The following block diagram illustrates the audio interface of the phone: Page 6 – 24 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 165: Internal Earpiece
The internal earpiece used is Lean (6 x 12) and it is connected to EM ASIC EARP and EARN lines. Figure 34 Internal earpiece diagram Internal handsfree (IHF) speakers IHF speakers used are Donau. Issue 1 COMPANY CONFIDENTIAL Page 6 – 25 Copyright © 2011 Nokia. All rights reserved.
Page 166: Internal Microphone
XEarR, XEarRC lines for audio and is controlled via I2C_2 bus by RAPU. The AV headset microphone line is connected to EM ASIC Gazoo/Pearl Mic2 line via AV switch N2037. Page 6 – 26 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 167: Vibra
The AV connector handles both audio and video signals output. It has audio left and right signals separately (pins 4 and 5) and the microphone signal wired to pin 3. Issue 1 COMPANY CONFIDENTIAL Page 6 – 27 Copyright © 2011 Nokia. All rights reserved.
Page 168: Cellular Rf Technical Description
Linko RF consists of the following key components: • Älli (Transceiver RF Asic) • Nitro (RF power management Asic) • Ukko PA • QuBBE (Front end module) Page 6 – 28 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 169: Qubbe
There is integrated external LNA matching on the bands 900, 1800, 1900 and 2100. On 850 band, there is an integrated matching. Issue 1 COMPANY CONFIDENTIAL Page 6 – 29 Copyright © 2011 Nokia. All rights reserved.
Page 170: Synthesizer
In WCDMA and EDGE mode, the output power is tuned by output level of Älli. The supply voltage in WCDMA mode is adjusted in power levels to optimize the current consumption. Page 6 – 30 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 180 3732 2741 888,2 3552,8 2966 933,2 3732,8 2742 888,4 3553,6 2967 933,4 3733,6 2743 888,6 3554,4 2968 933,6 3734,4 2744 888,8 3555,2 2969 933,8 3735,2 Page 6 – 40 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 181 3760 2776 895,2 3580,8 3001 940,2 3760,8 2777 895,4 3581,6 3002 940,4 3761,6 2778 895,6 3582,4 3003 940,6 3762,4 2779 895,8 3583,2 3004 940,8 3763,2 Issue 1 COMPANY CONFIDENTIAL Page 6 – 41 Copyright © 2011 Nokia. All rights reserved.
Page 182 3788 2811 902,2 3608,8 3036 947,2 3788,8 2812 902,4 3609,6 3037 947,4 3789,6 2813 902,6 3610,4 3038 947,6 3790,4 2814 902,8 3611,2 3039 947,8 3791,2 Page 6 – 42 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 183 3816 2846 909,2 3636,8 3071 954,2 3816,8 2847 909,4 3637,6 3072 954,4 3817,6 2848 909,6 3638,4 3073 954,6 3818,4 2849 909,8 3639,2 3074 954,8 3819,2 Issue 1 COMPANY CONFIDENTIAL Page 6 – 43 Copyright © 2011 Nokia. All rights reserved.
Page 184 3084 956,8 3827,2 2860 3648 3085 3828 2861 912,2 3648,8 3086 957,2 3828,8 2862 912,4 3649,6 3087 957,4 3829,6 2863 912,6 3650,4 3088 957,6 3830,4 Page 6 – 44 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 187 Clock Timing Sleep and interrupt block of Tiku Continuous wave D/A-converter Digital-to-analogue converter Digital-to-analogue converter Digital Battery Interface DBus DSP controlled serial bus connected between UPP_WD2 and Helgo Issue 1 COMPANY CONFIDENTIAL Page Glossary– 3 Copyright © 2011 Nokia. All rights reserved.
Page 188 High speed circuit switched data (data transmission connection faster than GSM) Hardware Input/Output IBAT Battery current Integrated circuit ICHAR Charger current Interface Integrated hands free IMEI International Mobile Equipment Identity Page Glossary– 4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 189 Software tool of DCT4.x and BB5 Personal Information Management Phase locked loop (Phone) Permanent memory General Purpose IO (PIO), USARTS and Pulse Width Modulators PURX Power-up reset Printed Wiring Board Issue 1 COMPANY CONFIDENTIAL Page Glossary– 5 Copyright © 2011 Nokia. All rights reserved.
Page 190 Radio Transmitter UART Universal asynchronous receiver/transmitter UEME Universal Energy Management chip (Enhanced version) UEMEK See UEME User Interface UPnP Universal Plug and Play Universal Phone Processor Page Glossary– 6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2011 Nokia. All rights reserved.
Page 191 Wideband code division multiple access Watchdog WLAN Wireless local area network XHTML Extensible hypertext markup language Zocus Current sensor (used to monitor the current flow to and from the battery) Issue 1 COMPANY CONFIDENTIAL Page Glossary– 7 Copyright © 2011 Nokia. All rights reserved.

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