Nokia NPE-4, 6310, 6310i, NPL-1 Service Manual

NPE-4 6310/NPL-1 6310i Repairhints
Customer Care Europe & Africa Version 1.0 Approved
SCCE Training Group Date 15.08.2002

CONFIDENTIAL 1 (25)

Repairhints

Service-Level 3 & 4

6310/6310i

NPE-4/NPL-1

© NMP 2002

Checked by:

SCCE Training Group

Approved by:
SCCE

CONFIDENTIAL 2 (25)
NPE-4 6310/NPL-1 6310i Repairhints
Customer Care Europe & Africa Version 1.0 Approved
SCCE Training Group Date 15.08.2002

General

-How to use this document

Place the schematics behind this manual.
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:
All replaceable µBGAs must be renewed after removing. Reflow using a hot air fan is not allowed.
Check soldering points and remove oxidated solderings (broken balls) carefully by enclosing a few new solders before placing new
components. The only allowed way changing µBGA components is to use µBGA rework maschines, approved from NMP (e.g.
ZEVAC/ OK International). Use recommended Fluxtype and an appropriate amount of it only.

-PCB handling & cleaning

To avoid damages of PCB and/or components through electrostatic discharging, handle the module in
ESD-suitable cases only. Always wear ESD-bracelets, which must be connected to earth bonding point.
Do not make any loose wiring connections or do some other unqualified rework anywhere.
For cleaning use appropriate materials only. Do not use scratching or rubbing tools.
Because of organic surface protection (OSP), cleaning must only be done with a lint-free cloth, which may be moistening with DI­water. IPA or other solvent like ethanol should only be used to clean gold pads for spring contacts without affecting the
surrounding copper layers.

-Component charactaristics

Some components contain important data.
Several described steps are practicable only if you are able to reflash/ realign the phone and/ or rewrite IMEI/ SIMlock in certain
cases. Please pay attention to separate notes.

-Realign after repair

Characteristics of replacement parts are different.
To prevent additional faults after repair (RX quality, TX power etc.) it is necessary to retune phone values.

© NMP 2002

Checked by:

SCCE Training Group

Approved by:
SCCE

CONFIDENTIAL 3 (25)
NPE-4 6310/NPL-1 6310i Repairhints
Customer Care Europe & Africa Version 1.0 Approved
SCCE Training Group Date 15.08.2002

IMPORTANT:

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.
It also will give support to the inexperienced technicians.
Saving process time and improving the repair quality is the aim of using this document.
We have built it up based on fault symptoms (listed in "Contents") followed by detailed description for further analysis.
It is to be used additionally to the service manual and other service information like Service bulletins, for that reason it does not
contain any circuit descriptions or schematics.

All measurements are made using following equipment:

Nokia repair SW : Phoenix

Phoenix Application : 3.72.002

Flash SW (CMT) : 4.31 6310 / 4.80 6310i

Test Jig : MJS-40

Docking station : JBV-1

Docking Adapter : MJF-9

Digital Multimeter : Fluke 73

Oscilloscope : Fluke PM 3380A/B

Spectrum Analyzer : Advantest R3162 with an analogue probe

RF-Generator / : CMU 200

GSM Tester

While every endeavour has been made to ensure the accuracy of this document, some errors may exist. If the reader finds any
errors, NOKIA should be notified in writing, using following procedure:

Please state:

Title of the Document + Issue Number/Date of publication.
Page(s) and/or Figure(s) of error.

Please send to: Nokia GmbH

Technical Services E&A
Meesmannstr.103
D-44807 Bochum / Germany
Email: [e-mail]

Copyright © Nokia Mobile Phones.
This material, including documentation and any related computer programs, is protected by copyright, controlled by Nokia Mobile
Phones. All rights are reserved. Copying, including reproducing, modifying, storing, adapting or translating any or all of this
material requires the prior written consent of Nokia Mobile Phones. This material also contains confidential information, which
may not be disclosed to others without the prior written consent of Nokia Mobile Phones.

© NMP 2002

Checked by:

SCCE Training Group

Approved by:
SCCE

CONFIDENTIAL 4 (25)
NPE-4 6310/NPL-1 6310i Repairhints
Customer Care Europe & Africa Version 1.0 Approved
SCCE Training Group Date 15.08.2002

Contents

PREFACE

CHAPTER 1

- BB shield disassembling instructions 5

- Different battery connectors 6

- Auto power off 6

CHAPTER 2

- Totally dead 7

- Drop calls 9

- No Service 9

- No Service Flowchart 10

- No service, no RSSI 11

- RX Flowchart 12

- No service, no TX 13

- TX Flowchart 15

- Display to dark/ too light 16

CHAPTER 3

- Tuning problem with FPS-8 17

- RX Channel Select Filter calibration all measurements=“0”at GSM1800 17

- TX tuning problem 17

CHAPTER 4

- Totally dead 17

- Phone jammed 17

- No memory access/ hangs up 17

- No service 17

CHAPTER 5

- Sometimes not possible to release “incoming call” 18

- No voice dial possible 18

NPL-1 6310i

CHAPTER 6

- Drop calls 19

- No TX at GSM1800/1900 19

- No service Flowchart 21

CHAPTER 7

CHAPTER 8

CHAPTER 9

GENERAL 2

Additional information 5

Electrical faults 7

Tuning problems with Phoenix SW 3.72.002 17

SW faults 17

Hookswitch problems 18

No Service 19

Keypad faulty 22

BB Selftest explanation for NPE-4/NPL-1 23

Change History 25

© NMP 2002

Checked by:

SCCE Training Group

Approved by:
SCCE

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).

Wrong

Correct

When disassembling the BB shield be very careful because Flash D450 could be damaged (See pictures on next page).
Start by lifting and bending the lid with a tweezer at the marked points 1- 3 (see pictures below).
Do not use too much force on the frame because it could be damaged and the PWB also could be mechanical stressed.

© NMP 2002

Checked by:

SCCE Training Group

Approved by:
SCCE

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).
If it is nessesary to exchange the battery connector X101/ X102 take care that you use the same one.
The mixed replacement causes switch-off trouble.

Different surface, width and position of spring contacts:

Note! It is not allowed to use the battery connectors of NPE-3 (part code 5469069) because of smaller size.

Auto power off

The phone turns off, because the contact pads on the battery and the battery connectors are worn out and the phone has lost the
contact to the battery.
Assemble the Y- and Z-Pads, see picture below.

For more information see SB-010.

Difference

Difference

Difference

Difference

Battery Pad Y

Battery Pad Z

© NMP 2002

Checked by:

SCCE Training Group

Approved by:
SCCE

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. Refer also to chapter “Additional Information/Different battery connectors”.
Check 32.768 kHz sinewave, Vpp = 800 mV at C209 (See picture below).

Oscilloscope settings:

Ampl: 200mV
Time/Div: 10µs/Div
AC/DC/GND: AC

If there is no signal, check B200 circuit for shorts or disconnection and change faulty components.

Check PWRONX at S300 pin 2/ 4: Key not pressed = 3.6 VDC (Depends on Workbench supply voltage)
Key pressed = 0 VDC

If not ok, check PWRONX-line from S300 to UPP D400 for shorts or disconnections.
Check SleepClk = 32.768 kHz, Vpp = 1.8 V square wave at J404. (See picture below)

Oscilloscope settings:

Ampl: 500mV
Time/Div: 10µs/Div
AC/DC/GND: AC

If not ok, check B200 circuit for shorts or disconnections.

Check VCORE = 1.8 VDC at C400. If not ok, check UEM D200
Check PURX = 1.8 VDC at V130 Pin 44. If not ok, check UEM D200
Check System Clk = 26 MHz, Vpp = 800 mV at C752 (See picture below)

© NMP 2002

Checked by:

SCCE Training Group

Approved by:
SCCE

CONFIDENTIAL 8 (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: 20ns/Div
AC/DC/GND: AC

If not ok, check 26 MHz G740 circuit. Refer also to chapter Drop calls

Check RFClk = 13 MHz, Vpp = 600 mV at C424. If not ok, refer to No service/ No RSSI.
Check VIO = 1.8 VDC at C450. If not ok, check VIO line to UEM D200 for shorts or disconnections and change faulty components.
If all above-mentioned signals are ok, try to flash the phone.
If the the flash update fails, the prommer will display a fault message (see picture below)

Check VPP at C454 = 1.8VDC
If VPP is not ok, UPP D400 is faulty. Change PWB, because UPP is not changeable.
Check VFLASH2 at C280 = 1.8VDC

If not ok, UEM D200 is faulty. Change PWB, as UEM is not changeable.
If both voltages are ok, try to flash the phone with repair jig MJS-40 and measure the VFLASH2 again. Now the voltage at C280
rises up to 2.8VDC.
If the voltage does not rise up to 2.8VDC, change PWB, as the UEM D200 is not changeable.
If all voltages are ok, check the Flash for mechanical damage (see also picture at chapter Additional

information/BB shield disassembly instructions/Example for a broken Flash D450).
Change Flash D450 in following cases when all other signals ok:

- Mechanical damages (See picture at Additional Information/Example for broken Flash D450)

- IMEI not rewriteable or SimLock Test fails

After changing the Flash D450, rewrite product code, HW-ID, IMEI and SIMlock settings.
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)

© NMP 2002

Checked by:

SCCE Training Group

Approved by:
SCCE