Nokia 7600 Service Manual

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7600

NMM-3

Transceiver Features

• WCDMA/900/1800

• 65.536 color display

• MP3 music player

• Xpress-on™ sleeves

• VGA camera 640x480

• Infrared, Bluetooth, USB

• 29MB dynamic memory

• XHTML Browser

• WAP 2.0

• 3GPP video streaming (network depending)

Transceiver with BL-5C Li-ion 850mAh battery pack

Talk time Standby Note

Up to 3h-4h GSM

Up to 1.8 - 2.9h WCDMA

Up to 7 days-

12.5 days

Depends
on network
parameters

SERVICE MANUAL

Service Level 1&2

Copyright © Nokia Corporation. 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, 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.

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TABLE OF CONTENT

Page

INTRODUCTION ...................................................................................................................................... 3

1.

2. GENERAL REPAIR INFORMATION ................................................................................................... 4

3. PATHFINDER FOR WORKSHOP STAFF............................................................................................ 5

4. EXPLODED VIEW AND COMPONENT DISPOSAL.......................................................................... 6

5. SPARE PARTS LIST................................................................................................................................. 7

6. SERVICE TOOLS.................................................................................................................................... 10

7. SW-UPDATE ............................................................................................................................................ 12

8. DISASSEMBLY INSTRUCTIONS (ALSO SEE THE VIDEO CLIPS ON CARE POINT) ............ 13

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9. LEGEND FOR QUICK TROUBLE SHOOTER .................................................................................. 17

10. QUICK TROUBLE SHOOTER PART 1 .......................................................................................... 18

11. QUICK TROUBLE SHOOTER PART 2 .......................................................................................... 19

12. QUICK TROUBLE SHOOTER PART 3 .......................................................................................... 20

13. INFRARED GONOGO TEST ............................................................................................................21

14. CAMERA GONOGO TEST................................................................................................................ 22

15. GONOGO TEST .................................................................................................................................. 23

16. BATTERY TEST.................................................................................................................................. 23

17. SERVICE NOTES................................................................................................................................ 24

18. FORWARDING OF REPAIRS TO SERVICE LEVEL 3 OR 4 SUPPLIERS............................... 25

19. ESD PROTECTION REQUIREMENTS........................................................................................... 26

CHANGE HISTORY

Status Version No. Date Comments

Draft 0.1 17.11.2003 Initial draft

Approved 1.0 08.12.2003 approval

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1. INTRODUCTION

The purpose of this document is to help Nokia service levels 1 and 2 workshop technicians to carry out
service to Nokia 7600. This Service Manual is to be used only by authorized Nokia service partners, and the
content of it is confidential. Please note that Nokia provides also other guidance documents (e.g. Service
Bulletins) for service partners, follow these regularly and comply with the given instructions.

While every endeavor has been made to ensure the accuracy of this document, some errors may exist.
If you find any errors or if you have further suggestions, please notify Nokia using the address below:

mailto:[e-mail]

Please keep in mind also that this documentation is continuously being updated and modified, so watch
always out for the newest version.

Warnings and Cautions

Please refer to the phone’s user guide for instructions relating to operation, care and maintenance
including important safety information. Note also the following:

Warnings:

CARE MUST BE TAKEN ON INSTALLATION IN VEHICLES FITTED WITH ELECTRONIC ENGINE

1.
MANAGEMENT SYSTEMS AND ANTI–SKID BRAKING SYSTEMS. UNDER CERTAIN FAULT CONDITIONS,
EMITTED RF ENERGY CAN AFFECT THEIR OPERATION. IF NECESSARY, CONSULT THE VEHICLE
DEALER/MANUFACTURER TO DETERMINE THE IMMUNITY OF VEHICLE ELECTRONIC SYSTEMS TO RF ENERGY.
THE HANDPORTABLE TELEPHONE MUST NOT BE OPERATED IN AREAS LIKELY TO CONTAIN

2.
POTENTIALLY EXPLOSIVE ATMOSPHERES EG PETROL STATIONS (SERVICE STATIONS), BLASTING AREAS ETC.
OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT, INCLUDING CELLULAR TELEPHONES, MAY

3.
INTERFERE WITH THE FUNCTIONALITY OF INADEQUATELY PROTECTED MEDICAL DEVICES. CONSULT A
PHYSICIAN OR THE MANUFACTURER OF THE MEDICAL DEVICE IF YOU HAVE ANY QUESTIONS. OTHER
ELECTRONIC EQUIPMENT MAY ALSO BE SUBJECT TO INTERFERENCE.

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Cautions:

1. Servicing and alignment must be undertaken by qualified personnel only.

2. Ensure all work is carried out at an anti–static workstation and that an anti–static wrist strap is
worn.

3. Ensure solder, wire, or foreign matter does not enter the telephone as damage may result.

4. Use only approved components as specified in the parts list.

5. Ensure all components, modules screws and insulators are correctly re–fitted after servicing and
alignment. Ensure all cables and wires are repositioned correctly.

6. All PC’s used with NMP Service Software for this produce must be bios and operating system

”Year 2000 Compliant”.

Electrostatic discharge can easily damage the sensitive components of electronic
products. Therefore every Service Supplier has to take care of all precautions, which are
mentioned in the service level related “Service Partner Requirements”, available on
Nokia Partner Web Site. Also see ESD Protection Requirements in this Service Manual.

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2. GENERAL REPAIR INFORMATION

IN THIS SECTION THE TECHNICIAN WILL GET SOME GENERAL HINTS HOW TO CARRY OUT REPAIRS:

o To familiarize oneself with Nokia 7600 read the tutorials or user guide on

www.nokia.com

o Before starting the repair you must take care of ESD precautions like being in your ESD Protected Area

and connecting your wristband.

o Use gloves to avoid corrosion and fingerprints.
o Protect windows and displays with a film to avoid dust and scratches.
o When cleaning the pads you have to use a soft cloth/ESD brush and Isopropanol. It is not allowed to use

a glass fiber pencil because it scratches the surface and will lead later on to corrosion.

o Mechanical parts (except shielding lids), which didn’t repair the failure, can be reused, if they are not

soldered.

o When removing the shielding lids make sure to replace them with new ones, otherwise the high-

frequency leakage can have an influence on the device.

o Use always original Nokia spare parts.
o Check the soldering joints of the parts which are concerned regarding the indicated error

(e.g. soldered connectors or switches) and resolder them if necessary (Level 2 only).

o Remove redundant soldering flux after repair.
o Meet the torque requirements when assembling the unit (see also the document “torques for

transceiver assembly” on Nokia Partner Web Site).

o Always use your own equipment for testing where you are sure that it works. E.g. if the customer

complains about charger function, please test the phone with your own charger to be sure if phone or
charger causes the malfunction.

o When doing the Faultlogger entries, always note the Item code, which caused the malfunction. Also, fill

in the appropriate part code from the assembly, if needed.

o Please be aware that some malfunctions could be software related and solved by an update.

These mention Service Bulletins have to be followed:

General
SB-065 Modified GSM phones
SB-089: Don’t try to repair prototypes (indicated on Type Label).
SB-107: Be sure that you have minimum hardware requirements in place.
SB-115: Handling of liquid damages.
SB-121: Return the defective part, if one of your service tools causes malfunction.
SB-124 Service Policy for packaging serviced products
SB-131: Check these guidelines when refurbishing products.
SB-132 Golden Phone Process
SB-135: Original Nokia Accessories
SB-148: Improvements to Faultlog Reporting Tool
SB-156: Packing Material
SB-163: Service handling of PWBs and PCBs during repair process
SB-164: New barcode for future products
SB-165: NMP Global Symptom Codes
SB-167: NMP Global Fault Codes (Level 1&2)
SB-203: New structure of General Bulletins
Service Tools
SB-011: NMP Standard Toolkit
Spare Parts
SB-004: New swap phone cartons
SB-005 Minimum order values for spare part orders

Please check Nokia Partner Web Site (PWS) for latest news and files on a regular basis.

-->Support--> Phones, by selecting the Phone Model.

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3. PATHFINDER FOR WORKSHOP STAFF

In addition to the information in this Service Manual, there are several instructions and information, which
have to be followed.
Main documentation database is Nokia Partner Website
purpose of serving different multimedia content, like video clips or interactive tutorials.

Nokia Partner Web Site Nokia Care Point (access through Partner Web Site)

Nokia Partner Web Site for EMEA region is the most important
document database for all service suppliers (level 1-4). All
service relevant information like e.g. Service Manuals, Service
Bulletins or general instructions are available. Content is
restricted according your access level. To be kept up-to-date
also concerning newest software updates, a daily check of
“latest updates in support library” is needed.

PAGE 5 (26) Approved 1.0

, which refers also to Nokia Care Point with the

Nokia Care Point is repair support and training channel for Nokia
service suppliers (mainly for service levels 1 and 2). By providing
visual and easy to learn support and training material, such as
illustrative repair videos, troubleshooting with pictures, product
information and general repair information, Nokia Care Point
offers user-friendly channel for service partners to learn technical
issues.

MWy

It is mandatory to watch for newest technical and organizational information on a daily basis to be
updated as required (see “Latest Updates in support Library”). Every new information has to be processed
and implemented as soon as possible.
When logged into PWS you can also find needed information to different headlines respectively tools

Downloads

like:

Support Library

Accessories
Battery Tester
Common Software
Flashing Tools
General --> Instructions
GoNoGo Tester
Service Tools
Tester Support
Wintesla
Products (Service Manuals, Service Bulletins)

To spare server bandwidth it is recommended to download newest version of huge files like videos,
Phoenix packages or Service Manuals only once and distribute it internally for further use.

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4. EXPLODED VIEW AND COMPONENT DISPOSAL

Recommendation for the ecologically friendly disposal of components. Colorized components show the different categories.

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Description: See corresponding ITEM/CIRCUIT REF of the SPL (Spare Parts List)

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5. SPARE PARTS LIST

MECHANICAL PARTS

ITEM/

CIRCUIT

REF.

I001 1 - A-COVER
I002 1 - KEYMAT

I003 1 XXXXXXX SLEEVE RH
I004 1 XXXXXXX SLEEVE LH
I005 1 9470311 CORNER PIECE
I006 6 6150903 SCREWS M1.6 X 9
I007 1 9460507 KEYMAT LIGHTGUIDE
I008 1 9790781 KEYMAT MODULE
I009 1 4850289 LCD MODULE
I010 1 5140251 EARPIECE

I011 1 - DOMESHEET
I012 1 - UI PWB

I013 1 9511079 ENGINE SHIELD
I014 1 - SYSTEM MODULE ME8
I015 1 4858009 CAMERA MODULE
I016 1 5140263 MICROPHONE
I017 1 0660271 WCDMA ANTENNA
I018 1 9460496 IR WINDOW
I019 1 9460495 VOLUME/VOICE KEY
I020 1 9460493 POWER KEY
I021 1 9460579 CAMERA SHUTTER KEY
I022 1 5400243 DC JACK
I023 1 0680069 VIBRA

I024 1 - B-Cover
I025 1 9481137 CAMERA WINDOW RUBBER GASKET
I026 1 7520043 CAMERA WINDOW ADHESIVE
I027 1 9470314 CAMERA WINDOW

I028 1 6150905 SCREW M1.6 X 3.3

I029 1 5140253 HANDSFREE SPEAKER
I030 1 - ANTENNA MOULDING
I031 1 - GSM ANTENNA

QTY PART NO PART NAME

1 XXXXXXX A-COVER MODULE

1 9470365 UI PWB ASSY

1 - B-COVER MODULE

1 0660270 GSM ANTENNA INTERNAL

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ITEM/

CIRCUIT

REF.

QTY PART NO PART NAME

I032 1 XXXXXXX D-COVER
I033 1 - TYPE LABEL
I034 1 XXXXXXX C-COVER

SOLDERING COMPONENTS ONLY FOR LEVEL 2

ITEM/

CIRCUIT

REF.

B253 1 4700135 CELL CAPACITOR

F400 1 5119019 SM FUSE F 1.5A 32V
S100 1 5209001 SM SW TACT SPST SIDE KEY (CAMERA SWITCH)
S400 1 5209001 SM SW TACT SPST SIDE KEY (POWER-ON)
S401 1 5209001 SM SW TACT SPST SIDE KEY (VOICE-REC.)
S402 1 5209001 SM SW TACT SPST SIDE KEY (VOLUME KEY)
S403 1 5209001 SM SW TACT SPST SIDE KEY (VOLUME KEY)

QTY PART NO PART NAME

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VARIANT PARTS

ITEM/

CIRCUIT

REF.

I001 1 - A-COVER
I002 1 - KEYMAT LATIN

I001 1 - A-COVER
I002 1 - KEYMAT LATIN

I001 1 - A-COVER
I002 1 - KEYMAT CYRILLIC

I001 1 - A-COVER
I002 1 - KEYMAT CYRILLIC

I001 1 - A-COVER
I002 1 - KEYMAT GREEK

QTY PART NO PART NAME

1 9458722 A-COVER MODULE WHITE

1 9458935 A-COVER MODULE GREY

1 9459124 A-COVER MODULE WHITE

1 9459134 A-COVER MODULE GREY

1 9459123 A-COVER MODULE WHITE

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ITEM/

CIRCUIT

REF.

QTY PART NO PART NAME

1 9459133 A-COVER MODULE GREY

I001 1 - A-COVER
I002 1 - KEYMAT GREEK

1 9459121 A-COVER MODULE WHITE

I001 1 - A-COVER
I002 1 - KEYMAT HEBREW

1 9459131 A-COVER MODULE GREY

I001 1 - A-COVER
I002 1 - KEYMAT HEBREW

1 9459122 A-COVER MODULE WHITE

I001 1 - A-COVER
I002 1 - KEYMAT ARABIC

1 9459132 A-COVER MODULE GREY

I001 1 - A-COVER
I002 1 - KEYMAT ARABIC

I003 1 9470312 SLEEVE RH BEIGE
I003 1 9470404 SLEEVE RH LIGHT BLUE
I004 1 9470313 SLEEVE LH GOLDEN YELLOW
I004 1 9470402 SLEEVE LH GREY BLUE
I032 1 9460556 D-COVER MODULE WHITE
I032 1 9460557 D COVER MODULE GREY
I034 1 9460513 C COVER PAINTED WHITE
I034 1 9460520 C-COVER PAINTED GREY

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SWAP UNITS

QTY PART NO PART NAME

0051503 NMM-3 N7600 SWAP UNIT EUROPE&AFRICA
0051506 NMM-3 N7600 SWAP UNIT FRANCE
0051505 NMM-3 N7600 SWAP UNIT SOUTH AFRICA
0051504 NMM-3 N7600 SWAP UNIT POLAND
0051507 NMM-3 N7600 SWAP UNIT TURKEY
0051508 NMM-3 N7600 SWAP UNIT CZECH/SLOVAKIA
0051509 NMM-3 N7600 SWAP UNIT RUSSIA
0051510 NMM-3 N7600 SWAP UNIT UKRAINE

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6. SERVICE TOOLS

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0080541 FLS-4S sales pack incl. Driver/User Guide

is a dongle and flash device incorporated into one package,
developed specifically for POS use.

0680032 ACF-8
Universal Power Supply is used to power FLS-4S.

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0273558 Internal Battery BL-5C sales pack

Inserted under the C-Cover, this Li-ion battery provides
power in a lightweight package.

0272169 Travel Charger ACP-8E (EURO) sales pack
0272172 Travel Charger/ACP-8X (UK) sales pack

Lightweight multi-voltage charger for charging your phone
battery.

0274086 Headset HS-5 sales pack
An easy and convenient handsfree solution with remote
control.

0775340 FLA-45

POS Flash Adapter is used in POS (Point of Sales)
environment for software updating. It provides controlled
supply voltage and necessary connections between the
phone and the Flash Device. It substitutes for the phone’s
standard battery during the software update.

0730218 XCS-1

Service Cable is used to connect FLS-4S to FLA-45.

0770591 MJS-85

Soldering Jig (for Level 2 or higher service level supplier).

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0770527 SRT-9

Camera removal tool. One side is for disassembly, the other
side for assembly.

0770450 New Test Pins (10pcs.)

for POS Flash Adapter FLA-45.

0772040 Nokia Standard Toolkit

 Nokia opening tool SRT-6 Nokia No. 0770431
 Tonichi torque driver Nokia No. 6901525
 Hoya micro fibre cloth MX304
 Dastex
 Artilux
 Wera
 Wera bit T6 867/4TX 6x50
 Wera bit T6 PLUS
 Facom
 Facom T5 driver SP.14032
 Facom T6 driver SP.14033
 Facom slot screwdriver AEF. 2x35.E
 Wetec
 Wetec tweezers 22 SA-ESD
 Wetec tweezers 13 SA-SMD ESD
 Wetec tweezers PSF SA-ESD
 Wetec ESD brush E1211
 Kaiser Fototechnik
 Wetec dental tool DEM83266/0
 RS Components

gloves S, M, XL
goggles AH166

bit T5 867/4TX 5x50

®

867/4TX 6IP

side cutter 416E

tweezers 7abb SA-ESD

airbrush 6315

Scissors 323-5732

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7. SW-UPDATE

To use FLS-4S Flash Dongle you have to follow the user guide inside the sales package. Please check always
the latest version of flash software, which is available on Nokia Partner Web Site.

Flash Concept – (Point of Sales)

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It is very important to follow this insertion and

removal procedure, otherwise the contact pins of

Flash Adapter will be damaged.

Insert the Flash Adapter FLA-45 like a battery, start at
the Battery Connector side.

Push down the bottom side of the unit as far as it will
go.

Be careful not to destroy the sensitive flash contact
pins.

After flashing procedure, remove the unit from bottom
side on.

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8. DISASSEMBLY INSTRUCTIONS (ALSO SEE THE VIDEO CLIPS ON CARE POINT)

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First remove LH Sleeve.

Dismount C-Cover.

Now, remove RH Sleeve.

Pull up D-Cover, which is attached to B-Cover with
adhesive tape.

Unscrew Antenna screw. Use a new Torx Plus® screw

and a torque of 24 Ncm for assembling the old B-
Cover and use 26 Ncm when using a new B-Cover.

The Corner Piece fits very tight, so it needs some extra
force to separate it from B-Cover with SRT-6

A-Cover is fixed with several plastic clips. Start with the
clip near system connector.

Loosen the clips anti-clockwise by using the SRT-6 as a
lever. Do not twist SRT-6 because this could cause
damages to the covers.

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Remove A-Cover.

Unlock the three clips from UI Assy as shown in the
next picture.

Unscrew the six Torx Plus screws using the order
shown. For assembly the reverse order and a

torque of 19 Ncm have to be used for an old B­Cover and 22Ncm for a new B-Cover.

No electric or

air drivers are allowed for assembly!

If unlocking doesn’t work you may have forgotten to
remove Antenna screw.

Now, UI Assy can be removed.

After opening the side clips the Lightguide can be
taken away.

Carefully open LCD Connector with SRT-6. Do not
damage the sensitive flex foil.

Remove LCD.

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Press out Earpiece from guiding pin side.

Dismount Engine module.

Separate

UI PWB from Engine Shield.

Use disassembly side of SRT-9 to remove VGA Camera.
Use the other side of SRT-9 for assembly.

Lever out WCDMA Antenna from B-Cover.

Take a charger plug to remove DC Jack.

Do not damage the spring contacts when removing
Vibra Motor.

Unlock the side snaps to remove IR Window.

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Be careful not to rip the silicon when pushing out the
Volume Keys.

Take away Camera Shutter Key.

Removing the Microphone from its guidance goes very
easy.

Take away Power Key.

Detach Camera Window by placing SRT-6 as shown
and pressing upwards forcefully.

Press out Rubber Gasket from the outside.

There are two plastic clips, which have to be unlocked
before removing GSM Antenna.

Finally remove HF Speaker with tweezers.

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9. LEGEND FOR QUICK TROUBLE SHOOTER

This legend is valid for all parts of the Quick Trouble Shooter

Follow the steps until the problem is solved. If this doesn’t help, you are not authorized to go forward.
Only underlined components ( e.g. I002

The start point of repair activities regarding the appeared fault symptoms.

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) can be changed.

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Follow the arrows step by step

Pads or contacts: Check optical and mechanical condition particularly
regarding to corrosion. Clean if necessary.

Measure component for electrical functionality and change, if needed.
(Level 2 only)

Pads or contacts: Check optical and mechanical condition particularly
regarding to corrosion. Clean with ESD brush only, if necessary.

No more actions possible send product to the appropriate service partner
with higher service level.

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10. QUICK TROUBLE SHOOTER PART 1

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11. QUICK TROUBLE SHOOTER PART 2

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12. QUICK TROUBLE SHOOTER PART 3

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cal Services, Repair Concepts

13. INFRARED AND BLUETOOTH GONOGO TEST

You need another infrared device (e.g. 6310i) to do a GoNoGo test. The infrared windows of the
devices must be directed to each other and should have a distance of approximate 15 cm. Make
sure that infrared is activated in receiver device.

Warning: Do not point the IR (infrared) beam at anyone’s eye or allow it to interfere with other IR
devices. This device is a Class 1 Laser product.

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0

Reference unit Test unit

Settings on the test unit:

o From Home Menu, press

is empty, create one new entry.

o Choose one phonebook entry and select Details

o

Select Options

o

Select Send bus. card

o Select Via infrared

o Sending in progress, please wait

o If sending of business card fails make sure again, that infrared windows are directed to each

other and infrared is activated in reference device Then try again sending.

o Test was successful, if you get a message on receiver device.

You will not get a confirmation on sender device.

key. This displays Phonebook entries. If phone and SIM memory

o Press red receiver button for Home Menu

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14. CAMERA GONOGO TEST

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Before starting the GoNoGo
test, check that camera
window is clean. If not, clean
the window with cloth.

Check cleanness of camera
lens and clean if necessary.

Exchange of Camera
Module does not improve
picture quality!

o From Home Menu, press the Camera Shutter Key

o

To take a picture press the Camera Shutter Key

o This Image will be saved to Gallery into the Photos folder automatically.

Test was successful, if the Image appears on your Display. The camera is ok.

o

o Select Delete

o

Select Yes

o Select EXIT for Home Menu

o If the test is failed see Quick Trouble Shooter.

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15. GONOGO TEST

After the optical check a GoNoGo test has to be carried out if the unit has been unscrewed to
guarantee the functionality of the phone.

Please refer to the actual information on Partner Web Site and Nokia Care Point. When using
delivered tester support files, take care of the right setup according to the tester type and product
type.
Please refer to “Recommended Service Equipment” on Nokia Partner Web Site.

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Mobile Phone Tester

16. BATTERY TEST

A battery tester lets you test the capacity of Nokia batteries.

Please refer to the actual information on Partner Web Site.

http://www.astratec.co.uk/

http://www.cadex.com/

Service Manual 7600 Level 1&2 Copyright 2003 © Nokia Corporation

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CONNECTING PEOPLE

Nokia Mobile Phones Customer Care EMEA
Technical Services, Repair Concepts Confidential 08.12.2003

17. SERVICE NOTES

We recommend using Service Notes when shipping phones to other Service Partners. It prevents the
product from scratches, it is ESD-neutral and has the possibility to give valuable feedback of the fault
symptom through a structured form. Please refer to the document Service Notes for faulty NMP

transceiver on Partner Web Site to get further information.

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Service Manual 7600 Level 1&2 Copyright 2003 © Nokia Corporation

nokia

CONNECTING PEOPLE

Nokia Mobile Phones Customer Care EMEA
Technical Services, Repair Concepts Confidential 08.12.2003

18. FORWARDING OF REPAIRS TO SERVICE LEVEL 3 OR 4 SUPPLIERS

We recommend using the offered swap phone cartons as described in Spare Parts SB-004.

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Always Protect the window with a protection film.

Add repair documentation e.g. filled-in service note
into the swap carton.

Put the unit under the stretch film.

Fold the swap carton as shown in Spare Parts SB-004.

There are two different sizes of swap cartons for common mobile phones.

Service Manual 7600 Level 1&2 Copyright 2003 © Nokia Corporation

nokia

CONNECTING PEOPLE

Nokia Mobile Phones Customer Care EMEA
Technical Services, Repair Concepts Confidential 08.12.2003

19. ESD PROTECTION REQUIREMENTS

Please refer to the Partner Web Site document

Service Partner Requirements in folder General instructions.

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USE Conductive bags and boxes
USE ESD compatible service tools
USE Conductive wastebaskets
USE ESD gloves when handling PWBs/PCBs
USE Cleaning material without changing el. Characteristics
USE Grounded service equipment, i.e. soldering station
USE ESD clothes such as coat or frock

The video covers general issues concerning Electro-Static Discharge (ESD)
source: Nokia Care Point

NO Smoking
NO Drinking
NO Eating
NO Dust
NO Useless Items
NO Normal pressured air for

cleaning modules/displays

Service Manual 7600 Level 1&2 Copyright 2003 © Nokia Corporation