Siemens ME75 Service Manual

Release 1.0

Service Repair Documentation

Level 3 (Basic) – ME75

Release Date Department Notes to change

R 1.0 13.10.2005 BenQ Mobile CC S CES New document

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Table of Content

1 Introduction ...............................................................................................................................3

1.1 PURPOSE ...............................................................................................................................3

1.2 SCOPE ...................................................................................................................................3

1.3 TERMS AND ABBREVIATIONS ...................................................................................................3

2 List of available level 2.5light parts.........................................................................................4

3 Hardware requirements ............................................................................................................4

4 ME75 Board layout....................................................................................................................5

5 SIM Card Problems ...................................................................................................................6

6 IO Connector Problems ............................................................................................................7

7 B to B connector Problems......................................................................................................8

8 Battery connector Problems ....................................................................................................9

9 Camera Connector Problems.................................................................................................10

10 Main keypad illumination Problems ......................................................................................13

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1 Introduction

1.1 Purpose

This Service Repair Documentation is intended to support Service partners to carry out repairs on
BenQ repair level 3. The described failures shall only be repaired in BenQ authorized local
workshops.

The level 3 (former Level 2.5light) partners are obliged to repair level 3 classified boards, up to their
repair level, under consideration of this repair instruction.

All repairs have to be carried out in an ESD protected environment and with ESD protected
equipment/tools. For all activities the international ESD regulations have to be considered.

Assembling/disassembling has to be done according to the latest ME75 Level 1-2 repair
documentation. It has to be ensured that every repaired mobile Phone is checked according to the
latest released General Test Instruction document (both documents are available in the Technical
Support section of the C-market).

Check at least weekly C-market for updates and consider all ME75 related Customer Care
Information

ME75 Partnumber on IMEI label: S30880-S6980-#xxx

, while # may be any letter (A-Z) and xxx may be any number from 100, 101, 102....

Scrap Handling: All Scrap information given in this manual are related to the
SCRAP-Rules and instructions.

Attention: Consider the new "LEAD-FREE" soldering rules (available in the communication
market), avoid excessive heat.

1.2 Scope

This document is the reference document for all BenQ mobile authorised Service Partners which are
released to repair BenQ mobile phones up to level 2.5 light.

1.3 Terms and Abbreviations

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2 List of available level 2.5light parts

(according to Component Matrix V1.09 - check C-market for updates)

Product ID Order Number Description CM

ME75 S2931 L36315-Z77-C218 JOYSTICK
ME75 V2650 L36197-F5008-F492 IRDA 115.2 KBIT
ME75 X1400 L36334-Z97-C336 CONNECTOR BATTERY 3-POL R65
ME75 X1504 L36334-Z93-C303 IO-JACK SLIM 12-POL
ME75 X1604 L50634-Z97-C406 CONNECTOR SIM CARD READER R65 (B)
ME75 X2202 L36334-Z97-C205 CONNECTOR DISPLAY 10POL
ME75 X2705 L50634-Z97-C383 CONNECTOR BOARD TO BOARD 12-POL. X75
ME75 X3651 L50634-Z97-C379 CONNECTOR CAMERA-SOCKET
ME75 X3800 L36334-Z93-C297 CONNECTOR ANTENNA 6mm

3 Hardware requirements

(according to L2.5L-L2.5 General soldering information V1.3 - check C-market for updates)

Jigs, Tools and working materials for all described repairs:

 hot air blower
 soldering gun
 tweezers
 flux
 solder
 ME75 dome sheet jig

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10/2005

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