Nokia NPE-4 Service Manual
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Nokia NPE-4 Service Manual

Nokia NPE-4 Service Manual

Repairhints service level 3 & 4
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Customer Care Europe & Africa
SCCE Training Group
6310/6310i
© NMP 2002
Repairhints
Service-Level 3 & 4
NPE-4/NPL-1
CONFIDENTIAL
NPE-4 6310/NPL-1 6310i
Date 15.08.2002
Checked by:
SCCE Training Group
1 (25)
Repairhints
Version 1.0 Approved
Approved by:
SCCE

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Summary of Contents for Nokia NPE-4

  • Page 1 CONFIDENTIAL 1 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 Repairhints Service-Level 3 & 4 6310/6310i NPE-4/NPL-1 © NMP 2002 Checked by: Approved by: SCCE Training Group SCCE...
  • Page 2 Now you are able to follow these specifictions with graphical layouts and it is easier for you to find the components and measuring points. -General handling Be very careful when disassembling the NPE-4/NPL-1 while removing the A-Cover from the Back-Cover. Refer to disassembling instructions at the service manual of NPE-4/NPL-1. -µBGA components and broken balls Special attention to µBGA components:...
  • Page 3 This document is intended for use by authorized NOKIA service centers only. The purpose of this document is to provide some further service information for NPE-4 6310 / NPL-1 6310i. It contains a lot of collected tips and hints to find failures and repair solutions easily.

  • Page 4: Table Of Contents

    No Service CHAPTER 6 Drop calls - No TX at GSM1800/1900 - No service Flowchart Keypad faulty CHAPTER 7 BB Selftest explanation for NPE-4/NPL-1 CHAPTER 8 Change History CHAPTER 9 © NMP 2002 Checked by: Approved by: SCCE Training Group...

  • Page 5: Customer Care Europe & Africa Scce Training Group

    CONFIDENTIAL 5 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 Additional Information BB shield disassembly instructions For disassembly it is important to lay the PWB on a plane underground so that the bottom connector is hanging free to prevent bending of PWB and cracking of the connector´s solderings (See pictures below).

  • Page 6: Auto Power Off

    CONFIDENTIAL 6 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 Example for a broken Flash D450: Different battery connectors There are two different battery connectors under the same part code 5400239 (See pictures below).

  • Page 7: Totally Dead

    CONFIDENTIAL 7 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 Electrical faults Totally dead Check VBATIN=3.6 VDC at L260 (depends on workbench supply). If not ok, check X101, X102 battery connectors for mechanical damages or cold solderings.
  • Page 8 If the fault persists, probably UEM D200 is faulty and not changeable. Change the PWB. Note! Rewrite SIMlock and IMEI data by use of NOKIA SECURITY PASSWORD and tune the phone again, if the procedure is permitted to you. (See General SB–037) ©...

  • Page 9: Drop Calls

    If not ok, make a SW update and try connecting again. If the fault persists after SW update, rewrite IMEI and SIMLock settings. Note! Rewrite SIMlock and IMEI data by use of NOKIA SECURITY PASSWORD and make a SW-update again, if the procedure is permitted to you. (See General SB–037) If the connection is established, check with tester (e.g.
  • Page 10 CONFIDENTIAL 10 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 Flowchart – No service No Service Set phone with Phoenix to Local Mode Open menu Maintenance/Tuning/RX calibration Check RX calibration...
  • Page 11 CONFIDENTIAL 11 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 No Service → → → → no RSSI Set the RF generator to GSM 942.4 MHz at channel 37, RF level –55 dBm and also the phone to same frequency and channel.
  • Page 12 CONFIDENTIAL 12 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 Flowchart - No service → → → → no RX No Service / No RSSI Set Phone to RX-Burst-Mode. Set RF Generator to Ch. 37,...
  • Page 13 CONFIDENTIAL 13 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 No service → → → → no TX Check EGSM TX signal at R656 / R657 (See picture below) Set spectrum analyzer to TX EGSM 897.4 MHz, channel 37.
  • Page 14 CONFIDENTIAL 14 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 Check TXC at C761, power level 19 and 5. (See picture below) Oscilloscope settings: Ampl: 500mV Time/Div: 10ms/Div AC/DC/GND: Power level 19...
  • Page 15 CONFIDENTIAL 15 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 Flowchart - No service → → → → no TX No Service/ No TX EGSM/PCN Set Phone to TX -Mode Set Phone to TX -Mode EGSM 897.4 MHz,...
  • Page 16 CONFIDENTIAL 16 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 V300-V303 Display too dark/ too bright When turning on the phone, the display LED´s V300 – V303 (See picture below) shine in different brightness.

  • Page 17: Sw Faults

    If the NPE-4 is connected to FPS-8 Flashbox via FBUS-cable, the reset does not work. When closing the energy management calibration window, Phoenix tries to reset the phone. The NPE-4 goes in off state and does not start again automatically. In this case the phone has to be switched on manually.

  • Page 18: Hookswitch Problems

    Sometimes not possible to release “incoming call” No voice dial possible When the headset HDC-9P is connected to the botton connector of NPE-4 and a call is coming in, often it is not possible to release the call by pressing the hookswitch.
  • Page 19 CONFIDENTIAL 19 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 NPL-1 6310i No service Drop calls No TX 1800/1900 Insert Test Sim into phone and try to establish a connection at GSM900/1800 and 1900 with e.g. CMD/Wavetec.
  • Page 20 CONFIDENTIAL 20 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 Oscilloscope settings: Ampl: 500mV Time/Div: 1ms/Div AC/DC/GND: If one of the four TX I/Q signals are missing or to low (TX IN, TX IP and TX QN, TX QP), check R713 on both sides.
  • Page 21 CONFIDENTIAL 21 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 Flowchart No Service No Service Drop calls No TX 1800/1900 Insert TestSim into phone and establish a connection at all GSM Bands with e.g.
  • Page 22 CONFIDENTIAL 22 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 Keypad faulty If one or more keys are not working, disassemble phone and check resistance = 0Ω between keys on same Colum and Row with ohmmeter.

  • Page 23: Bb Selftest Explanation For Npe-4/Npl-1

    Version 1.0 Approved SCCE Training Group Date 15.08.2002 BB Selftest explanation for NPE-4/NPL-1 3.1. ST_AUX_DA_LOOP_TEST This function tests the connection of AuxDa and UemInt signals between UPP and UEM. UPP loops 70us high pulse via AuxDa line to UEM and back to UPP via UemInt line. If there is no connection the result is ST_NO_SIGNAL. If everything is ok the result is ST_OK 3.1.1.
  • Page 24 CONFIDENTIAL 24 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 3.1.12. ST_UPP_REGISTER_VER_TEST: This function compares the ASIC version to the compilation flag. Major ASIC version in UPP version register is compared against ASIC version compilation flag.

  • Page 25: Approved By

    CONFIDENTIAL 25 (25) NPE-4 6310/NPL-1 6310i Repairhints Customer Care Europe & Africa Version 1.0 Approved SCCE Training Group Date 15.08.2002 CHANGE HISTORY Originator Status Version Date Comment TS Training Draft 17.04.2002 First draft version for the repair group Group TS Training Approved 27.05.2002...

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63106310iNpl-1

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