Nokia 7250, 7250i Service manual level 2

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Nokia Mobile Phones Customer Care EMEA Technical Services, Repair Concepts Confidential 24.02.2003

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nokia

7250

NHL-4j

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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Introduction

The purpose of this document is to help Nokia service levels 1 and 2 workshop technicians to carry out service to Nokia 7250. 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, Nokia should be notified. 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 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 POTENTIALLY EXPLOSIVE ATMOSPHERES EG PETROL STATIONS (SERVICE STATIONS), BLASTING AREAS ETC.

OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT, INCLUDING CELLULAR TELEPHONES, MAY 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.

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”.

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Table of content

1. EXPLODED VIEW.................................................................................................................................... 4

2. SPARE PARTS LIST................................................................................................................................. 5

3. INFRARED GONOGO TEST .................................................................................................................. 8

4. CAMERA GONOGO TEST...................................................................................................................... 9

5. SW-UPDATE ............................................................................................................................................ 10

6. GENERAL REPAIR INFORMATION ................................................................................................. 11

7. DISASSEMBLY INSTRUCTIONS (SEE ALSO 7210 VIDEO CLIPS) ............................................. 12

8. ASSEMBLY INSTRUCTIONS FOR CAMERA MODULE ............................................................... 15

9. QUICK TROUBLE SHOOTER PART1 ............................................................................................... 16

10. QUICK TROUBLE SHOOTER PART2 ........................................................................................... 17

11. QUICK TROUBLE SHOOTER PART3 ........................................................................................... 18

12. ESD PROTECTION REQUIREMENTS........................................................................................... 19

13. SERVICE NOTES................................................................................................................................ 20

14. GONOGO TESTER............................................................................................................................. 21

15. BATTERY TESTER ............................................................................................................................ 21

Change History

Originator Status Version No. Date Comments

DJk Draft 0.1 17.12.2002 Initial draft DJk Draft 0.2 22.01.2003 Camera GoNoGo Test implemented DJk Approved 1.0 24.02.2003 Approval

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1. EXPLODED VIEW

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

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2. SPARE PARTS LIST

ITEM/

CIRCUIT REF.

I001 1 9491028 A-COVER ASSY PLUM I002 1 9790828 KEYMAT LATIN PLUM

I003 I004 I005 I006 I007 I008 I009 I010 I011 I012 I013 I014 I015 I016 I017 I018 I019 I020 I021

I022 I023

I024 I025

I026 1 9491034 B-COVER ASSY PLUM

QTY PART NO PART NAME

1 9517173 DISPLAY SHIELD DMC04171 NHL-4 1 4850291 LCD MOD/JAMES 130X130 COG COLOUR 1 0201920 TK8 UI MODULE 1 9467076 LCD FRAME DMC03935 NHL-4 1 9470283 SPEAKER FOAM TAPE 1 5140251 SPEAKER105+-3DB32R D8.1X2.25 PICO 1 5140263 MIC+BOOT ASSY -42+-3DB D7.7X3MM 6 6290107 SCREW 1.8X7.0 FE T6+ DMD05791 BLK 1 XXXXXXX TB3 RADIO MODULE 1 4858003 CIF CAMERA MODULE, CCP/CCI 1 9481013 CONN SHIELD CIF-J CLE9014-01E 2 5400263 ANTENNA POGO PIN L=8.7MM D=2.1MM 1 9790825 VOLUME KEY DMD07492 NHL-4J 1 9452235 IR WINDOW DMD07490 NHL-4 1 5400243 CONN DC-JACK 3.5MM 3POL SPR 90DEG 1 6800057 VIB.MOTOR ASSY 1.3 VDC 11000 RPM 1 9790826 RELEASE BUTTON DMD07493 NHL-4J 1 9510845 SPRING NHL-4 1 9790821 POWER KEY DMD07491 NHL-4J

1 XXXXXXX SPEAKER HF 69+-2DB8R D16X4.36 1 XXXXXXX C-COVER

1 XXXXXXX TYPE LABEL, note code is for label roll 1 0660281 ANTENNA INT ANTENNA EGSM/PCN/PCS

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SOLDERING COMPONENTS ONLY FOR LEVEL 2

ITEM/

CIRCUIT REF.

S300 1 5209001 SM SW TACT SPST 12V 50MA SIDE KEY S301 1 5209001 SM SW TACT SPST 12V 50MA SIDE KEY S302 1 5409235 SM TACT SW TRAV 0.2 4.1X3.55X1.75 F100 1 5119019 SM FUSE F 1.5A 32V 0603 G300 1 4700131 CELL CAPACITOR 0.01MAH 3V3

VARIANT PARTS

ITEM/

CIRCUIT REF.

QTY PART NO PART NAME

I001 1 9491028 A-COVER ASSY PLUM I001 1 9491025 A-COVER ASSY BLUE I002 1 9790828 KEYMAT LATIN PLUM I002 1 9790827 KEYMAT LATIN BLUE I002 1 9790870 KEYMAT RUSSIA PLUM I002 1 9790869 KEYMAT RUSSIA BLUE I002 1 9790874 KEYMAT ARABIC PLUM I002 1 9790873 KEYMAT ARABIC BLUE I002 1 9790876 KEYMAT GREEK PLUM I002 1 9790875 KEYMAT GREEK BLUE I002 1 9790878 KEYMAT HEBREW PLUM I002 1 9790877 KEYMAT HEBREW BLUE I026 1 9491034 B-COVER ASSY PLUM I026 1 9491030 B-COVER ASSY BLUE

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SWAP UNITS

QTY PART NO PART NAME

0076602 NHL-4J N7250 SWAP ENGINE 0076603 NHL-4J N7250 SWAP ENGINE RUSSIA 0076604 NHL-4J N7250 SWAP ENGINE ZA 0076605 NHL-4J N7250 SWAP ENGINE POLAND 0076606 NHL-4J N7250 SWAP ENGINE TURKEY 0076607 NHL-4J N7250 SWAP ENGINE FRANCE 0076608 NHL-4J N7250 SWAP ENGINE CZECH

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SERVICE TOOLS

TYPE QTY PART NO PART NAME

0680032 UNIV. POWERSUPPLY ACF-8

ACCESSORY 0273460 BLD-3 BATTERY PACK 0770492 FLA-27 POS FLASH ADAPTER 0770450 BBS-10, PINS FOR FLA-27, 10 PCS/PLASTIC BAG 0730218 XCS-1 SERVICE CABLE ACCESSORY 0273636 DCV-14 DESK TOP STAND ACCESSORY 0272169 AC TRAVEL CHARGER ACP-8E (EUR) ACCESSORY 0272172 AC TRAVEL CHARGER ACP-8X (UK) ACCESSORY 0273505 HDS-3 STEREO HEADSET 0770431 SRT-6 OPENING TOOL 5510 0770556 SRT-10 CAMERA REMOVAL TOOL

0080541 FLS-4S SALES PACK E&A (inclusive 0680032)

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