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Nokia RM-237 Service Manual

Nokia RM-237 Service Manual

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Table of Contents
Nokia Customer Care
Service Manual
RM-237 (Nokia 3110c)
Mobile Terminal
Part No: 9201060 (Issue 1)
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.

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Summary of Contents for Nokia RM-237

  • Page 1 Nokia Customer Care Service Manual RM-237 (Nokia 3110c) Mobile Terminal Part No: 9201060 (Issue 1) COMPANY CONFIDENTIAL Copyright © 2007 Nokia. All rights reserved.
  • Page 2 RM-237 Nokia Customer Care Amendment Record Sheet Amendment Record Sheet Amendment No Date Inserted By Comments Issue 1 04/2007 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 • 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 6 All of the above suggestions apply equally to the product, battery, charger or any accessory. Page vi COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 7 Nokia Customer Care 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 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 10 RM-237 Nokia Customer Care Company Policy (This page left intentionally blank.) Page x COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 11 4 Service Tools and Service Concepts 5 Disassembly and reassembly instructions 6 BB Troubleshooting and Manual Tuning Guide 7 RF Troubleshooting and Manual Tuning Guide 8 System module 9 Schematics Glossary Issue 1 COMPANY CONFIDENTIAL Page xi Copyright © 2007 Nokia. All rights reserved.
  • Page 12 RM-237 Nokia Customer Care Nokia 3110c Service Manual Structure (This page left intentionally blank.) Page xii COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 13 Nokia Customer Care 1 — General information Issue 1 COMPANY CONFIDENTIAL Page 1 –1 Copyright © 2007 Nokia. All rights reserved.
  • Page 14 RM-237 Nokia Customer Care General information (This page left intentionally blank.) Page 1 –2 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 15: Table Of Contents

    Table 3 Audio ................................1–9 Table 4 Data ................................1–9 Table 5 Imaging..............................1–9 Table 6 Normal and extreme voltages ......................1–10 List of Figures Figure 1 RM-237 product picture ..........................1–5 Issue 1 COMPANY CONFIDENTIAL Page 1 –3 Copyright © 2007 Nokia. All rights reserved.
  • Page 16 RM-237 Nokia Customer Care General information (This page left intentionally blank.) Page 1 –4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 17: Product Selection

    262k colours. It also has an integrated 1.3 Mpix digital camera with a 8 x digtal zoom. The RM-237 has a 3GPP video player/recorder, a stereo FM radio and a music player, and it supports Bluetooth, microSD card and IrDa.
  • 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 • 1.3 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-237 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 22: Technical Specifications

    The hardware module complies with the SPR4 Operating Conditions. Electrical characteristics Table 6 Normal and extreme voltages Voltage Voltage (V) Condition General conditions Nominal voltage Lower extreme voltage 3.06 Page 1 –10 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 23 ADC settings in the SW might shutdown the phone above this value. b. During fast charging of an empty battery, this voltage might exceed this value. Voltages between 4.20 and 4.60 might appear for a short while. Issue 1 COMPANY CONFIDENTIAL Page 1 –11 Copyright © 2007 Nokia. All rights reserved.
  • Page 24 RM-237 Nokia Customer Care General information (This page left intentionally blank.) Page 1 –12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 25 Nokia Customer Care 2 — Parts and layouts Issue 1 COMPANY CONFIDENTIAL Page 2 –1 Copyright © 2007 Nokia. All rights reserved.
  • Page 26 RM-237 Nokia Customer Care Parts and layouts (This page left intentionally blank.) Page 2 –2 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 27: Table Of Contents

    Component layout - top (2cba_31a) ......................2–23 Component layout - bottom (2cba_31a) ...................... 2–23 List of Tables Table 7 Swap phones ............................2–21 Table 8 Lightswap ............................... 2–22 Issue 1 COMPANY CONFIDENTIAL Page 2 –3 Copyright © 2007 Nokia. All rights reserved.
  • Page 28 RM-237 Nokia Customer Care Parts and layouts (This page left intentionally blank.) Page 2 –4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 29: Exploded View

    RM-237 Parts and layouts Nokia Customer Care Exploded view Exploded view Issue 1 COMPANY CONFIDENTIAL Page 2 –5 Copyright © 2007 Nokia. All rights reserved.
  • Page 30: Mechanical Spare Parts Overview

    RM-237 Nokia Customer Care Parts and layouts Mechanical spare parts overview Page 2 –6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 31: Parts List

    Mechanical spare parts list Note: For Nokia product codes, please refer to the latest Service Bulletins on the Partner Website (PWS). To ensure you are always using the latest codes, please check the PWS on a daily basis. "*" = Spare part can not be reused after disassembly.
  • Page 32 SIDE INSERT RIGHT PAINTED I0028* DEKO TRIM LEFT I0028* SIDE INSERT LEFT ASSY I0029 USB DOOR I0030 TOP COVER I0031* CONNECTOR COVER C-COVER ASSY (I0032 - I0033) Page 2 –8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 33: Component Parts List (2Cba_31A)

    CHIPCAP NP0 18P J 50V C2045 Bottom CHIPCAP NP0 18P J 50V C2046 Bottom CHIPCAP X5R 100N K 16V C2047 Bottom CHIPCAP X5R 4U7 K 6.3V Issue 1 COMPANY CONFIDENTIAL Page 2 –9 Copyright © 2007 Nokia. All rights reserved.
  • Page 34 CHIPCAP X5R 1U5 K 4V C2214 Bottom CHIPCAP X5R 1U5 K 4V C2215 Bottom CHIPCAP X5R 1U5 K 4V C2216 Bottom CHIPCAP X5R 1U5 K 4V Page 2 –10 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 35 CHIPCAP X5R 1U K 6V3 C2314 Bottom CHIPCAP X5R 4U7 K 10V C2315 Bottom CHIPCAP X5R 4U7 M 25V 0805 C2317 Bottom CHIPCAP NP0 27P J 50V Issue 1 COMPANY CONFIDENTIAL Page 2 –11 Copyright © 2007 Nokia. All rights reserved.
  • Page 36 CHIPCAP X5R 100N K 16V 0402 C2819 Bottom CHIPCAP X5R 100N K 16V 0402 C2820 Bottom CHIPCAP X5R 100N K 16V 0402 C2821 Bottom CHIPCAP NP0 27P J 50V Page 2 –12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 37 CHIPCAP X5R 10UF 6V3 0603 C3308 Bottom CHIPCAP X5R 1U K 6V3 0402 C3309 Bottom CHIPCAP NP0 27P J 50V C3310 Bottom CHIPCAP NP0 27P J 50V Issue 1 COMPANY CONFIDENTIAL Page 2 –13 Copyright © 2007 Nokia. All rights reserved.
  • Page 38 CHIPCAP NP0 0P5 C 50V C7503 Bottom CHIPCAP X5R 1U K 6V3 C7504 Bottom CHIPCAP X5R 1U K 6V3 C7505 Bottom CHIPCAP X5R 1U K 6V3 0402 Page 2 –14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 39 No description in PDM E2071 Bottom No description in PDM E2075 Bottom No description in PDM E2101 Bottom No description in PDM E2102 Bottom No description in PDM Issue 1 COMPANY CONFIDENTIAL Page 2 –15 Copyright © 2007 Nokia. All rights reserved.
  • Page 40 CHIP BEAD ARRAY 2X1000R 0R75 L2105 Bottom FERR.BEAD 240R/100M 0.4A 0R4 L2106 Bottom FERR.BEAD 240R/100M 0.4A 0R4 L2202 Bottom FERR.BEAD 220R/100M 2A 0R05 L2207 Bottom FERR.BEAD 240R/100M 0.4A 0R4 Page 2 –16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 41 CHIP COIL 27N J Q27/800MHZ L7504 Bottom CHIP COIL 22N J Q28/800MHZ L7505 Bottom CHIP COIL 22N J Q28/800MHZ L7515 Bottom CHIP COIL 15N J Q30/800MHZ Issue 1 COMPANY CONFIDENTIAL Page 2 –17 Copyright © 2007 Nokia. All rights reserved.
  • Page 42 CHIPRES 0W06 100R J R2100 Bottom ASIP SINGLE ENDED MICROPHONE R2101 Bottom CHIPRES 0W06 220R J R2102 CHIPRES 0W06 10R J R2103 CHIPRES 0W06 10R J Page 2 –18 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 43 ASIP MMC FILTER *** PB-FREE * R3201 Bottom CHIPRES 0W06 100K J R3202 Bottom CHIPRES 0W06 100K J R3205 Bottom CHIPRES 0W06 680R J R3206 Bottom CHIPRES 0W06 1K2 J Issue 1 COMPANY CONFIDENTIAL Page 2 –19 Copyright © 2007 Nokia. All rights reserved.
  • Page 44 CHIPRES 0W06 22K J R7510 Bottom CHIPRES 0W06 15R J R7522 Bottom CHIPRES 0W06 27K J R7523 Bottom CHIPRES JUMPER 0R0 R7560 Bottom CHIPRES 0W06 100R J Page 2 –20 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 45: Swap Units

    DUAL RX SAW FILTER 850/900 MH Z7520 Bottom FERRITE BEAD 0R01 28R/100MHZ Swap units Table 7 Swap phones Note: For product codes, please refer to the latest Service bulletin. Issue 1 COMPANY CONFIDENTIAL Page 2 –21 Copyright © 2007 Nokia. All rights reserved.
  • Page 46 Nokia Customer Care Parts and layouts Swap phones RM-237 SWAP EURO-C BLACK LATIN RM-237 SWAP EURO-C FR BLACK LATIN RM-237 SWAP EURO-C TR BLACK LATIN RM-237 SWAP EURO-I RU BLACK CYRILLIC RM-237 SWAP EURO-I UKRAINE BLACK CYRILL. RM-237 SWAP EURO-F BLACK HEBREW...
  • Page 47: Component Layouts

    RM-237 Parts and layouts Nokia Customer Care Component layouts Component layout - top (2cba_31a) Component layout - bottom (2cba_31a) Issue 1 COMPANY CONFIDENTIAL Page 2 –23 Copyright © 2007 Nokia. All rights reserved.
  • Page 48 RM-237 Nokia Customer Care Parts and layouts (This page left intentionally blank.) Page 2 –24 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 49 Nokia Customer Care 3 — Service Software Instructions Issue 1 COMPANY CONFIDENTIAL Page 3 –1 Copyright © 2007 Nokia. All rights reserved.
  • Page 50 RM-237 Nokia Customer Care Service Software Instructions (This page left intentionally blank.) Page 3 –2 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 51 Figure 23 Finish flash update..........................3–22 Figure 24 Prommer SW update finished......................3–23 Figure 25 Prommer maintenance window....................... 3–23 Figure 26 Flash directory window ........................3–24 Issue 1 COMPANY CONFIDENTIAL Page 3 –3 Copyright © 2007 Nokia. All rights reserved.
  • Page 52 RM-237 Nokia Customer Care Service Software Instructions (This page left intentionally blank.) Page 3 –4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 53: Phoenix Installation Steps In Brief

    • Activate SX-4 smart card, if you need tuning and testing functions. Note: When FPS-10 is used only for product software updates, SX-4 smart card is not needed. Issue 1 COMPANY CONFIDENTIAL Page 3 –5 Copyright © 2007 Nokia. All rights reserved.
  • Page 54: Installing Phoenix

    Press the F1 key or the feature’s Help button to activate a Help file. Steps phoenix_service_sw_2004_39_x_xx.exe ). 1. To start the installation, run the application file (for example, Welcome dialogue, click Next. 2. In the Page 3 –6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 55 Select Yes... to reboot the PC immediately or No... to reboot the PC manually afterwards. After the reboot, all components are registered. Phoenix does not work, if the components have not been registered. Note: Issue 1 COMPANY CONFIDENTIAL Page 3 –7 Copyright © 2007 Nokia. All rights reserved.
  • Page 56: Updating Phoenix Installation

    Windows Control Panel. application from the • If you try to install an older version (for example, downgrade from a15_2004_24_7_55 to a14_2004_16_4_47), installation will be interrupted. Page 3 –8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 57: Uninstalling Phoenix

    Phoenix Uninstalling Context Phoenix service software manually from the Windows Control Panel. You can uninstall Steps 1. Open the Windows Control Panel, and choose Add/Remove Programs. Issue 1 COMPANY CONFIDENTIAL Page 3 –9 Copyright © 2007 Nokia. All rights reserved.
  • Page 58 Figure 6 Remove program The progress of the uninstallation is shown. 3. If the operating system does not require rebooting, click Finish to complete. Figure 7 Finish uninstallation Page 3 –10 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 59: Repairing Phoenix Installation

    Phoenix service software and tools usable with a certain phone model. The phone data package contains the following: • Product software binary files Issue 1 COMPANY CONFIDENTIAL Page 3 –11 Copyright © 2007 Nokia. All rights reserved.
  • Page 60: Installing Phone Data Package

    • Files for type label printing • Validation file for the fault log repair data reporting system • All product-specific configuration files for Phoenix software components Data files are stored in C:\Program Files\Nokia\Phoenix (default). Installing phone data package Prerequisites Phoenix service software and service tools •...
  • Page 61 3. In the following view you can see the contents of the data package. Read the text carefully. There is Phoenix version required with this data package. information about the Figure 9 Data package setup information 4. To continue, click Next. Issue 1 COMPANY CONFIDENTIAL Page 3 –13 Copyright © 2007 Nokia. All rights reserved.
  • Page 62 Figure 10 Data package destination folder Phoenix is installed, and the directory is shown. The InstallShield Wizard checks where 6. To start copying the files, click Next. Page 3 –14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 63: Uninstalling Phone Data Package

    Steps XX-XX_dp_EA_v_1_0.exe ) from your computer. 1. Locate the data package installation file (e.g. 2. To start the uninstallation procedure, double-click the data package installation file. Issue 1 COMPANY CONFIDENTIAL Page 3 –15 Copyright © 2007 Nokia. All rights reserved.
  • Page 64 Figure 13 Finishing data package uninstallation Alternative steps • You can also uninstall the data package manually from Control Panel→Add/Remove Programs→xx-xx* Phone Data Package . (*= type designator of the phone). Page 3 –16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 65: Configuring Users In Phoenix

    If there are problems after the driver installation, check that the USB connection is active from the Windows Control Panel. If the problem persists, contact the local PC support. Steps Phoenix , and log in. 1. Start 2. Choose File→Manage Connections..Issue 1 COMPANY CONFIDENTIAL Page 3 –17 Copyright © 2007 Nokia. All rights reserved.
  • Page 66 • RX_BUFFER_SIZE: Use the default value, and click Next. iii For an FPS-8 flash prommer, choose the following connection settings: • Media: FPS-8 • PORT_NUM: COM Port where FPS-8 is connected • COMBOX_DEF_MEDIA: FBUS Page 3 –18 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 67: Installing Flash Support Files For Fps-10

    If you are not using a separate installation package, you can skip this section and continue with updating FPS-10 flash prommer software after installing a new phone data package. Issue 1 COMPANY CONFIDENTIAL Page 3 –19 Copyright © 2007 Nokia. All rights reserved.
  • Page 68 Control Panel and then rerun the installation again. Figure 21 Flash installation interrupted If an older version exists on your PC and it needs to be updated, click Next to continue installation. Page 3 –20 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 69 Figure 22 Flash destination folder When installing the flash update files for the first time you may choose another location by selecting Browse. However, this is not recommended. Issue 1 COMPANY CONFIDENTIAL Page 3 –21 Copyright © 2007 Nokia. All rights reserved.
  • Page 70: Updating Fps-10 Flash Prommer Software

    Prommer. To update the files, click Yes. Click OK if the computer informs you about an unsafe removal of the device. 4. Alternatively you can update the FPS-10 flash prommer software by clicking the Update button. Page 3 –22 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 71 7. Check that your FPS-10 flash prommer has enough memory. Flashing the SU-18 with FPS-10 needs at least 128 MB of SRAM memory in the prommer. Figure 25 Prommer maintenance window Issue 1 COMPANY CONFIDENTIAL Page 3 –23 Copyright © 2007 Nokia. All rights reserved.
  • Page 72 • All files can be loaded separately to the prommer used. To do this, click the right mouse button in the Flash box files window and select the file type to be loaded. More information can be found in Phoenix Help. Page 3 –24 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 73 Nokia Customer Care 4 — Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 4 –1 Copyright © 2007 Nokia. All rights reserved.
  • Page 74 RM-237 Nokia Customer Care Service Tools and Service Concepts (This page left intentionally blank.) Page 4 –2 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 75 Figure 30 Module jig service concept ........................ 4–17 Figure 31 RF testing concept with RF coupler ....................4–18 Figure 32 Service concept for RF testing and RF/BB tuning ................4–19 Issue 1 COMPANY CONFIDENTIAL Page 4 –3 Copyright © 2007 Nokia. All rights reserved.
  • Page 76 RM-237 Nokia Customer Care Service Tools and Service Concepts (This page left intentionally blank.) Page 4 –4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 77: 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-237, 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 78: General Tools

    The Module Jig MJ-122 is delivered with an adaptor frame for use with RM-217 and RM-222. The Guiding pins are in different positions for RM-237. Each adaptor frame is marked according to the transceiver type that it can be used with. Remove the existing adaptor frame and replace with SS-116 to enable MJ-122 re-use with RM-237 phones."...
  • Page 79 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. Issue 1 COMPANY CONFIDENTIAL Page 4 –7 Copyright © 2007 Nokia. All rights reserved.
  • Page 80: Fls-4S

    • LAN to FBUS/Flashbus and USB conversion • Vusb output switchable by PC command FPS-10 sales package includes: • FPS-10 prommer • Power Supply with 5 country specific cords • USB cable Page 4 –8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 81 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. Issue 1 COMPANY CONFIDENTIAL Page 4 –9 Copyright © 2007 Nokia. All rights reserved.
  • Page 82 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. Page 4 –10 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 83: 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-237, 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 84: 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. Page 4 –12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 85 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 Issue 1 COMPANY CONFIDENTIAL Page 4 –13 Copyright © 2007 Nokia. All rights reserved.
  • Page 86: Dke-2

    Product specific tools BL-5C Battery Other tools ACP-8 Power adapter FLS-4S or POS flash dongle FLS-5 PC with Phoenix service software Cables DKE-2 USB connectivity cable Page 4 –14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 87: Flash Concept With Fps-10

    Other tools 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 Issue 1 COMPANY CONFIDENTIAL Page 4 –15 Copyright © 2007 Nokia. All rights reserved.
  • Page 88: 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 Page 4 –16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 89: Module Jig Service Concept

    SW security device SX-4 Smart card PC with Phoenix service software Measurement equipment Cables PCS-1 DC power cable XCS-4 Modular cable XRS-6 RF cable USB cable Issue 1 COMPANY CONFIDENTIAL Page 4 –17 Copyright © 2007 Nokia. All rights reserved.
  • Page 90: 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 Page 4 –18 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 91: Service Concept For Rf Testing And Rf/Bb Tuning

    Product specific tools MJ-122 Module jig Other tools 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 Issue 1 COMPANY CONFIDENTIAL Page 4 –19 Copyright © 2007 Nokia. All rights reserved.
  • Page 92 Nokia Customer Care 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 Page 4 –20 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 93 Nokia Customer Care 5 — Disassembly and reassembly instructions Issue 1 COMPANY CONFIDENTIAL Page 5 –1 Copyright © 2007 Nokia. All rights reserved.
  • Page 94 RM-237 Nokia Customer Care Disassembly and reassembly instructions (This page left intentionally blank.) Page 5 –2 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 95 RM-237 Disassembly and reassembly instructions Nokia Customer Care Table of Contents Disassembly instructions ............................5–5 Assembly hints..............................5–12 Dome sheet alignment instruction........................5–15 Issue 1 COMPANY CONFIDENTIAL Page 5 –3 Copyright © 2007 Nokia. All rights reserved.
  • Page 96 RM-237 Nokia Customer Care Disassembly and reassembly instructions (This page left intentionally blank.) Page 5 –4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 97 RM-237 Disassembly and reassembly instructions Nokia Customer Care Disassembly instructions Issue 1 COMPANY CONFIDENTIAL Page 5 –5 Copyright © 2007 Nokia. All rights reserved.
  • Page 98 RM-237 Nokia Customer Care Disassembly and reassembly instructions Page 5 –6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 99 RM-237 Disassembly and reassembly instructions Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 5 –7 Copyright © 2007 Nokia. All rights reserved.
  • Page 100 RM-237 Nokia Customer Care Disassembly and reassembly instructions Page 5 –8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 101 RM-237 Disassembly and reassembly instructions Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 5 –9 Copyright © 2007 Nokia. All rights reserved.
  • Page 102 RM-237 Nokia Customer Care Disassembly and reassembly instructions Page 5 –10 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 103 RM-237 Disassembly and reassembly instructions Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 5 –11 Copyright © 2007 Nokia. All rights reserved.
  • Page 104 RM-237 Nokia Customer Care Disassembly and reassembly instructions Assembly hints Page 5 –12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 105 RM-237 Disassembly and reassembly instructions Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 5 –13 Copyright © 2007 Nokia. All rights reserved.
  • Page 106 RM-237 Nokia Customer Care Disassembly and reassembly instructions Page 5 –14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 107 RM-237 Disassembly and reassembly instructions Nokia Customer Care Dome sheet alignment instruction Issue 1 COMPANY CONFIDENTIAL Page 5 –15 Copyright © 2007 Nokia. All rights reserved.
  • Page 108 RM-237 Nokia Customer Care Disassembly and reassembly instructions (This page left intentionally blank.) Page 5 –16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 109 Nokia Customer Care 6 — BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 6 –1 Copyright © 2007 Nokia. All rights reserved.
  • Page 110 RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide (This page left intentionally blank.) Page 6 –2 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 111 Baseband manual tuning guide......................... 6–44 Certificate restoring for BB5 products......................6–44 Energy management calibration ........................6–49 List of Tables Table 9 Display module troubleshooting cases....................6–20 Issue 1 COMPANY CONFIDENTIAL Page 6 –3 Copyright © 2007 Nokia. All rights reserved.
  • Page 112: List Of Figures

    Figure 39 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected. 6–28 Figure 40 BER test result............................. 6–38 Figure 41 Bluetooth self tests in Phoenix ......................6–39 Page 6 –4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 113: Baseband Troubleshooting Overview

    Bluetooth (BT) (page 6–37) FM radio does not work FM radio (page 6–17) MicroSD card does not work MicroSD card (page 6–18) IrDA does not work IrDA (page 6–25) Issue 1 COMPANY CONFIDENTIAL Page 6 –5 Copyright © 2007 Nokia. All rights reserved.
  • Page 114: Power And Charging Troubleshooting

    RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide Power and charging troubleshooting General power checking troubleshooting Troubleshooting flow Page 6 –6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 115: Battery Current Measuring Fault Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care Battery current measuring fault troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –7 Copyright © 2007 Nokia. All rights reserved.
  • Page 116: Charging Troubleshooting

    RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide Charging troubleshooting Troubleshooting flow Page 6 –8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 117: Clocking Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care Clocking troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –9 Copyright © 2007 Nokia. All rights reserved.
  • Page 118: 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 6 –10...
  • Page 119: Camera Hardware Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care Camera hardware troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –11 Copyright © 2007 Nokia. All rights reserved.
  • Page 120: Camera Viewfinder Troubleshooting

    RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide Camera viewfinder troubleshooting Troubleshooting flow Page 6 –12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 121: Camera: Bad Image Quality Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care Camera: Bad image quality troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –13 Copyright © 2007 Nokia. All rights reserved.
  • Page 122: Combo Memory Troubleshooting

    RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide COMBO memory troubleshooting Troubleshooting flow Page 6 –14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 123: Flash Programming Fault Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care Flash programming fault troubleshooting Part 1 Issue 1 COMPANY CONFIDENTIAL Page 6 –15 Copyright © 2007 Nokia. All rights reserved.
  • Page 124 Figure 33 Flashing pic 1. Take single trig measurement for the rise of the BSI signal. Figure 34 Flashing pic 2. Take single trig measurement for the rise of the BSI signal. Page 6 –16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 125: Fm Radio Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care FM radio troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –17 Copyright © 2007 Nokia. All rights reserved.
  • Page 126: Microsd Card Troubleshooting

    Nokia Customer Care BB Troubleshooting and Manual Tuning Guide MicroSD card troubleshooting Context In the RM-237 the microSD card reader is located under the battery cover. Figure 35 Location of the microSD card reader in RM-237 Page 6 –18 COMPANY CONFIDENTIAL Issue 1 Copyright ©...
  • Page 127 RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –19 Copyright © 2007 Nokia. All rights reserved.
  • Page 128: User Interface Troubleshooting

    Display module troubleshooting General instructions for display troubleshooting Context The RM-237 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 129 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 6 –21 Copyright © 2007 Nokia. All rights reserved.
  • Page 130: Display Troubleshooting

    RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide Display troubleshooting Troubleshooting flow Page 6 –22 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 131: 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 6 –23 Copyright © 2007 Nokia. All rights reserved.
  • Page 132: Led Driver Troubleshooting

    RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide LED driver troubleshooting LED driver troubleshooting Page 6 –24 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 133: Irda Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care IrDA troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –25 Copyright © 2007 Nokia. All rights reserved.
  • Page 134: 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. Page 6 –26 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 135 HSEAR R 22.7 1360 External Earpiece GND) and GND HSEAR L and Measurement data Figure 37 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is connected. Issue 1 COMPANY CONFIDENTIAL Page 6 –27 Copyright © 2007 Nokia. All rights reserved.
  • Page 136 Figure 38 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is connected. Figure 39 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected. Page 6 –28 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 137: Earpiece Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care Earpiece troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –29 Copyright © 2007 Nokia. All rights reserved.
  • Page 138: Internal Earpiece Troubleshooting

    RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide Internal earpiece troubleshooting Troubleshooting flow Page 6 –30 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 139: External Headset Earpiece Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care External headset earpiece troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –31 Copyright © 2007 Nokia. All rights reserved.
  • Page 140: Ihf Troubleshooting

    RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide IHF troubleshooting Troubleshooting flow Page 6 –32 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 141: Ihf Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care IHF troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –33 Copyright © 2007 Nokia. All rights reserved.
  • Page 142: Microphone Troubleshooting

    RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide Microphone troubleshooting Troubleshooting flow Page 6 –34 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 143: Internal Microphone Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care Internal microphone troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –35 Copyright © 2007 Nokia. All rights reserved.
  • Page 144: External Headset Microphone Troubleshooting

    RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide External headset microphone troubleshooting Troubleshooting flow Page 6 –36 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 145: 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 Issue 1 COMPANY CONFIDENTIAL Page 6 –37 Copyright © 2007 Nokia. All rights reserved.
  • Page 146: 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 Page 6 –38 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 147: 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. Issue 1 COMPANY CONFIDENTIAL Page 6 –39 Copyright © 2007 Nokia. All rights reserved.
  • Page 148 RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide Part 1: Bluetooth self test passed but BER test failed Page 6 –40 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 149 RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care Part 2: Bluetooth self test failed Issue 1 COMPANY CONFIDENTIAL Page 6 –41 Copyright © 2007 Nokia. All rights reserved.
  • Page 150: Bluetooth Audio And Ui Activation Troubleshooting

    RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide Bluetooth audio and UI activation troubleshooting Troubleshooting flow Page 6 –42 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 151: Usb Interface Troubleshooting

    RM-237 BB Troubleshooting and Manual Tuning Guide Nokia Customer Care USB interface troubleshooting Troubleshooting flow Issue 1 COMPANY CONFIDENTIAL Page 6 –43 Copyright © 2007 Nokia. All rights reserved.
  • Page 152: Baseband Manual Tuning Guide

    • Flash the phone with the latest available software using FPS-8 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 153 Flash Type must be set to Phone as Manufactured. To continue, click Start. Progress bars and messages on the screen show actions during phone programming, please wait. Issue 1 COMPANY CONFIDENTIAL Page 6 –45 Copyright © 2007 Nokia. All rights reserved.
  • Page 154 Phoenix , choose File→Scan Product . To connect the phone with ii Choose Tools→Certificate Restore . iii To choose a location for the request file, click Browse. Page 6 –46 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 155 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 156 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. Page 6 –48 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 157: Energy Management Calibration

    Write and/or repeat the procedure again. Energy Management Calibration window. 10. To end the procedure, close the Issue 1 COMPANY CONFIDENTIAL Page 6 –49 Copyright © 2007 Nokia. All rights reserved.
  • Page 158 RM-237 Nokia Customer Care BB Troubleshooting and Manual Tuning Guide (This page left intentionally blank.) Page 6 –50 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 159 Nokia Customer Care 7 — RF Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 7 –1 Copyright © 2007 Nokia. All rights reserved.
  • Page 160 RM-237 Nokia Customer Care RF Troubleshooting and Manual Tuning Guide (This page left intentionally blank.) Page 7 –2 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 161 Figure 48 Antenna C-clips on the PWB ......................7–16 Figure 49 Auto tuning concept with CMU200....................7–18 Figure 50 Rf channel filter calibration typical values ..................7–19 Issue 1 COMPANY CONFIDENTIAL Page 7 –3 Copyright © 2007 Nokia. All rights reserved.
  • Page 162 RM-237 Nokia Customer Care RF Troubleshooting and Manual Tuning Guide (This page left intentionally blank.) Page 7 –4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 163: Introduction To Rf Troubleshooting

    If measurements are performed in a product specific module jig, then “GND” pads should be used for the probe ground. Supported bands RM-237 supports GSM900, GSM1800 and GSM1900. Make sure to investigate only the bands, which the phone is made for. Issue 1 COMPANY CONFIDENTIAL Page 7 –5...
  • Page 164: Rf Key Components

    The main Rx troubleshooting measurement is RSSI measurement. This test measures the signal strength of the received signal. I and Q branches can be measured separately. Page 7 –6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 165: General Instructions For Rx 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-237), or press Ctrl + R to scan product. iv From the toolbar, set operating mode to “Local”.
  • Page 166: Receiver (Rx) Troubleshooting

    67.710 Figure 43 RF Controls window Receiver (RX) troubleshooting Receiver troubleshooting Apply a signal according to the table in General instructions for RX troubleshooting (page ) Page 7 –8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 167 RM-237 RF Troubleshooting and Manual Tuning Guide Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 7 –9 Copyright © 2007 Nokia. All rights reserved.
  • Page 168 RM-237 Nokia Customer Care RF Troubleshooting and Manual Tuning Guide Page 7 –10 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 169: 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". Issue 1 COMPANY CONFIDENTIAL Page 7 –11 Copyright © 2007 Nokia. All rights reserved.
  • Page 170 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-237), or pressCtrl + R to scan product. iv From the toolbar, set operating mode to “Local”.
  • Page 171 • Set Tx PA mode to “High” (Default). • Set power level (see table below) Band Channel (RX and TX) TX power level GSM900 GSM1800 GSM1900 Figure 45 RF Controls window Issue 1 COMPANY CONFIDENTIAL Page 7 –13 Copyright © 2007 Nokia. All rights reserved.
  • Page 172: Transceiver (Tx) Troubleshooting

    RM-237 Nokia Customer Care RF Troubleshooting and Manual Tuning Guide Transceiver (TX) troubleshooting Troubleshooting flow Page 7 –14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 173: 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 46 Location of the GSM and BT antenna C-clips on the PWB Issue 1 COMPANY CONFIDENTIAL Page 7 –15 Copyright © 2007 Nokia. All rights reserved.
  • Page 174 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). Figure 48 Antenna C-clips on the PWB Page 7 –16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 175: Synthesizer Troubleshooting

    RM-237 RF Troubleshooting and Manual Tuning Guide Nokia Customer Care Synthesizer troubleshooting Synthesizer troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 7 –17 Copyright © 2007 Nokia. All rights reserved.
  • Page 176: Rf Tunings

    • Cables: XRF-1 (RF cable), USB cable, GBIP cable and DAU-9S or one device including all. • Signal analyser (TX), signal generator (RX) and RF-splitter Figure 49 Auto tuning concept with CMU200 Page 7 –18 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 177: 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 50 Rf channel filter calibration typical values Issue 1 COMPANY CONFIDENTIAL Page 7 –19 Copyright © 2007 Nokia. All rights reserved.
  • Page 178: 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 7 –20 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 179 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 7 –21 Copyright © 2007 Nokia. All rights reserved.
  • Page 180 Table 13 RF tuning limits in Rx calibration Unit 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 7 –22 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 181: 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 7 –23 Copyright © 2007 Nokia. All rights reserved.
  • Page 182 Rx Band Connect the signal generator to the phone, and set frequency and amplitude as instructed in the Filter Response Compensation for EGSM900 pop-up window, step 1-3. Page 7 –24 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 183 Ch. 136 / 962.26771 MHz GSM1800 Ch. 497 / 1802.26771 MHz Ch. 512 / 1805.26771 MHz Ch. 535 / 1809.86771 MHz Ch. 606 / 1824.06771 MHz Issue 1 COMPANY CONFIDENTIAL Page 7 –25 Copyright © 2007 Nokia. All rights reserved.
  • Page 184: Gsm Transmitter Tunings

    Tx IQ tuning must be performed for all GSM bands. Steps Phoenix service software. 1. Start 2. From the Operating mode drop-down menu, set mode to Local. 3. Choose Tuning→GSM→Tx IQ Tuning . Page 7 –26 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 185 If they are not within the limits, check Tx IQ quality manually. Unit GSM900 I DC offset / Q DC offset Ampl Phase ° GSM1800/GSM1900 I/Q DC Ampl Phase ° Issue 1 COMPANY CONFIDENTIAL Page 7 –27 Copyright © 2007 Nokia. All rights reserved.
  • Page 186: 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 7 –28 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 187 6. Set the spectrum analyzer for power level tuning: Frequency Channel frequency: • 897.4MHz GSM900 • 1747.8MHz GSM1800 • 1880MHz GSM1900 Span 0 Hz Sweep time Trigger Video triggering (-10dBm) Resolution BW 3MHz Issue 1 COMPANY CONFIDENTIAL Page 7 –29 Copyright © 2007 Nokia. All rights reserved.
  • Page 188 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 GSM1800 and GSM1900 bands. You will see this message, if finished successfully: Page 7 –30 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 189 Nokia Customer Care 8 — System module Issue 1 COMPANY CONFIDENTIAL Page 8 –1 Copyright © 2007 Nokia. All rights reserved.
  • Page 190 RM-237 Nokia Customer Care System module (This page left intentionally blank.) Page 8 –2 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 191 Figure 55 SIM interface connections ......................... 8–12 Figure 56 Audio block diagram.......................... 8–14 Figure 57 IR module pin ordering ........................8–15 Figure 58 Bluetooth interface block diagram ....................8–16 Issue 1 COMPANY CONFIDENTIAL Page 8 –3 Copyright © 2007 Nokia. All rights reserved.
  • Page 192 RM-237 Nokia Customer Care System module (This page left intentionally blank.) Page 8 –4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 193: Phone Description

    Tahvo and all other in Retu. The RF part is based on the ASIC Ahne. RM-237 is a monoblock phone, in which all electrical components are assembled into one PWB. RM-237 operates on the GSM 900/1800/1900 bands.
  • Page 194 RM-237 Nokia Customer Care System module PWB overview Page 8 –6 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 195 RM-237 System module Nokia Customer Care System block diagram Figure 51 System block diagram Issue 1 COMPANY CONFIDENTIAL Page 8 –7 Copyright © 2007 Nokia. All rights reserved.
  • Page 196: Engine

    Engine modules The engine contains • RF module with Ahne ASIC • Main processor with integrated memory (Baseband) • Energy management - Retu and Tahvo (Baseband) Page 8 –8 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 197: 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 8 –9 Copyright © 2007 Nokia. All rights reserved.
  • Page 198: 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 199: Interfaces

    This phone uses a single-chip electronically tuned FM stereo radio with low voltage application. Figure 54 FM radio interface Camera Camera interface The RM-237 has a 1.3 Megapixel camera, supported by a hardware accelerator. Issue 1 COMPANY CONFIDENTIAL Page 8 –11...
  • Page 200: 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 8 –12 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 201: 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 8 –13 Copyright © 2007 Nokia. All rights reserved.
  • Page 202 Figure 56 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 8 –14 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 203: 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. Issue 1 COMPANY CONFIDENTIAL Page 8 –15 Copyright © 2007 Nokia. All rights reserved.
  • Page 204: Main Rf Characteristics

    EGSM900: 880 ... 915 MHz GSM1800: 1710 ...1785 MHz GSM1900: 1850...1910 MHz Duplex spacing EGSM900: 45 MHz GSM1800: 95 MHz GSM1900: 80 MHz Channel spacing 200 kHz Page 8 –16 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 205 EGSM900: 3700...3840 MHz (4 x RX freq) GSM1800: 3610...3760 MHz (2 x RX freq) GSM1900: 3860...3980 MHz (2 x RX freq) Typical 3 dB bandwidth +/- 91 kHz Issue 1 COMPANY CONFIDENTIAL Page 8 –17 Copyright © 2007 Nokia. All rights reserved.
  • Page 206 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 Page 8 –18 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 207 Nokia Customer Care 9 — Schematics Issue 1 COMPANY CONFIDENTIAL Page 9 –1 Copyright © 2007 Nokia. All rights reserved.
  • Page 208 RM-237 Nokia Customer Care Schematics (This page left intentionally blank.) Page 9 –2 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 209 System Connector..............................9–4 RETU, SIM, Audio ..............................9–5 TAHVO ..................................9–6 RAP3G, Combo memory, MicroSD..........................9–7 FM Radio, Bluetooth ...............................9–8 User interface, Camera............................9–9 RF part .................................. 9–10 Component finder ............................... 9–11 Issue 1 COMPANY CONFIDENTIAL Page 9 –3 Copyright © 2007 Nokia. All rights reserved.
  • Page 210: System Connector

    RM-237 Schematics Nokia Customer Care System Connector Issue 1 COMPANY CONFIDENTIAL Page 9 –4 Copyright © 2007 Nokia. All rights reserved.
  • Page 211: Retu, Sim, Audio

    RM-237 Schematics Nokia Customer Care RETU, SIM, Audio Issue 1 COMPANY CONFIDENTIAL Page 9 –5 Copyright © 2007 Nokia. All rights reserved.
  • Page 212: Tahvo

    RM-237 Schematics Nokia Customer Care TAHVO Issue 1 COMPANY CONFIDENTIAL Page 9 –6 Copyright © 2007 Nokia. All rights reserved.
  • Page 213: Rap3G, Combo Memory, Microsd

    RM-237 Schematics Nokia Customer Care RAP3G, Combo memory, MicroSD Issue 1 COMPANY CONFIDENTIAL Page 9 –7 Copyright © 2007 Nokia. All rights reserved.
  • Page 214: Fm Radio, Bluetooth

    RM-237 Schematics Nokia Customer Care FM Radio, Bluetooth Issue 1 COMPANY CONFIDENTIAL Page 9 –8 Copyright © 2007 Nokia. All rights reserved.
  • Page 215: User Interface, Camera

    RM-237 Schematics Nokia Customer Care User interface, Camera Issue 1 COMPANY CONFIDENTIAL Page 9 –9 Copyright © 2007 Nokia. All rights reserved.
  • Page 216: Rf Part

    RM-237 Schematics Nokia Customer Care RF part Issue 1 COMPANY CONFIDENTIAL Page 9 –10 Copyright © 2007 Nokia. All rights reserved.
  • Page 217: Component Finder

    RM-237 Schematics Nokia Customer Care Component finder Issue 1 COMPANY CONFIDENTIAL Page 9 –11 Copyright © 2007 Nokia. All rights reserved.
  • Page 218 RM-237 Schematics Nokia Customer Care Issue 1 COMPANY CONFIDENTIAL Page 9 –12 Copyright © 2007 Nokia. All rights reserved.
  • Page 219 Nokia Customer Care Glossary Issue 1 COMPANY CONFIDENTIAL Page Glossary–1 Copyright © 2007 Nokia. All rights reserved.
  • Page 220 RM-237 Nokia Customer Care Glossary (This page left intentionally blank.) Page Glossary–2 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 221 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 222 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 Light-emitting diode Page Glossary–4 COMPANY CONFIDENTIAL Issue 1 Copyright © 2007 Nokia. All rights reserved.
  • Page 223 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) Radio Receiver Issue 1 COMPANY CONFIDENTIAL Page Glossary–5 Copyright © 2007 Nokia. All rights reserved.
  • Page 224 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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