TravelMate 520sg.pdf

TravelMate 520

Service Guide

Service guide files and updates are available

on the AIPG/CSD web; for more information,

please refer to http://csd.acer.com.tw

PART NO.: 49.41H02.001

DOC. NO.: SG336-0005A PRINTED IN TAIWAN

transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in

any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without

the prior written permission of Acer Incorporated.

Disclaimer

The information in this guide is subject to change without notice.

Acer Incorporated makes no representations or warranties, either expressed or implied, with respect to the

contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular

purpose. Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the

programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its

dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential

damages resulting from any defect in the software.

Acer is a registered trademark of Acer Corporation.

Intel is a registered trademark of Intel Corporation.

Pentium and Pentium II/III are trademarks of Intel Corporation.

Other brand and product names are trademarks and/or registered trademarks of their respective holders.

Conventions

The following conventions are used in this manual:

Screen messages Denotes actual messages that appear

on screen.

NOTE

Gives bits and pieces of additional

information related to the current

topic.

WARNING

Alerts you to any damage that might

result from doing or not doing specific

actions.

CAUTION

Gives precautionary measures to

avoid possible hardware or software

problems.

IMPORTANT

Reminds you to do specific actions

relevant to the accomplishment of

procedures.

III

Preface

Before using this information and the product it supports, please read the following general information.

1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION

decided for Acer's "global" product offering. To better fit local market requirements and enhance product

competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g.

add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered

in this generic service guide. In such cases, please contact your regional offices or the responsible

personnel/channel to provide you with further technical details.

2. Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information

available on your regional web or channel. If, for whatever reason, a part number change is made, it will

not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer

office may have a DIFFERENT part number code to those given in the FRU list of this printed Service

Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and

service of customer machines.

Table of Contents

Chapter 1

System Specifications

Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Touchpad. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Hardware Specifications and Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Chapter 2

System Utilities

BIOS Setup Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

BIOS Flash Utility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

System Utility Diskette . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

System Diagnostic Diskette . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Chapter 3

Machine Disassembly and Replacement

General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Disassembly Procedure Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Removing the Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Removing the CD-ROM Drive Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Removing the Hard Disk Drive Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Removing the Extended Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Removing the Modem Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Disassembling the LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Disassembling the Upper Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Disassembling the Lower Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Chapter 4

Troubleshooting

System Check Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Index of Error Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Index of Symptom-to-FRU Error Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Intermittent Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Index of AFlash BIOS Error Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Index of PQA Diagnostic Error Code, Message . . . . . . . . . . . . . . . . . . . . . . . . 81

Chapter 5

Jumper and Connector Locations

Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Bottom View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Chapter 6

FRU (Field Replaceable Unit) List

Appendix A Model Definition and Configuration

Appendix B Test Compatible Components

101

Appendix C Online Support Information

103

Index

105

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