Acer Extensa 500 Service Manual
Size:
1.31 Mb
Download

Extensa 500 Notebook

Service Guide

Service Guide files and updates are available on Acer Intranet and CSD database on Lotus Notes.

For more detailed information, please refer to Service CD kit.

Copyright

Copyright * 1996 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, 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

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. Further, Acer Incorporated reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of Acer Incorporated to notify any person of such revision or changes.

Acer is a registered trademark of Acer Incorporated.

Intel is a registered trademark of Intel Corporation.

Pentium is a trademark of Intel Corporation.

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

PART No: 49.42B02.001....................................................

PRINT IN TAIWAN

DOC No: SG281-9807A

 

Table of Contents

Chapter 1 System Introduction

Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Special Keys . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Hardware Configuration and Specification . . . . . . . 17

Memory Address Map . . . . . . . . . . . . . . . . . . 17

Interrupt Channel Assignment . . . . . . . . . . . . 17

DMA Channel Assignment . . . . . . . . . . . . . . . 18

I/O Address Map. . . . . . . . . . . . . . . . . . . . . . . 18

Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

BIOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

System Memory . . . . . . . . . . . . . . . . . . . . . . . 20

DIMM Combinations . . . . . . . . . . . . . . . . . . . . 20

Video Memory . . . . . . . . . . . . . . . . . . . . . . . . 21

Cache Memory . . . . . . . . . . . . . . . . . . . . . . . . 21

Video . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Video Resolutions Modes . . . . . . . . . . . . . . . . 21

Parallel Port . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Serial Port. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

PCMCIA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Diskette Drive . . . . . . . . . . . . . . . . . . . . . . . . . 24

Hard Disk Drive . . . . . . . . . . . . . . . . . . . . . . . 24

CD-ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Battery Pack . . . . . . . . . . . . . . . . . . . . . . . . . . 26

DC-DC/Charger Board . . . . . . . . . . . . . . . . . . 26

LCD Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . 27

LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Power Adapter . . . . . . . . . . . . . . . . . . . . . . . . 28

Power Management . . . . . . . . . . . . . . . . . . . . . . . . 30

Power Management Modes . . . . . . . . . . . . . . 30

BIOS Setup Utility. . . . . . . . . . . . . . . . . . . . . . . . . . 33

Chapter 2 Software Utilities

Basic System Settings . . . . . . . . . . . . . . . . . . 34

4

Table of Contents

Table of Contents

Startup Configuration. . . . . . . . . . . . . . . . . . . . 35 Onboard Devices Configuration . . . . . . . . . . . 36 System Security. . . . . . . . . . . . . . . . . . . . . . . . 37 Power Management . . . . . . . . . . . . . . . . . . . . 39 Load Default Settings . . . . . . . . . . . . . . . . . . . 40

AFlash Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Executing AFlash. . . . . . . . . . . . . . . . . . . . . . . 41 Quick Way to Execute AFlash . . . . . . . . . . . . . 42 System Utility Diskette. . . . . . . . . . . . . . . . . . . . . . . 43 Set LCD Panel ID . . . . . . . . . . . . . . . . . . . . . . 43 Set Thermal Sensor Threshold . . . . . . . . . . . . 43

System Diagnostic Diskette. . . . . . . . . . . . . . . . . . . 44 Running PQA Diagnostics Program. . . . . . . . . 45 Diagnostic Program Error Code and Messages47

Chapter 3 Machine Disassembly

General Information. . . . . . . . . . . . . . . . . . . . . . . . . 50

Before You Begin . . . . . . . . . . . . . . . . . . . . . . 50

Connector Types . . . . . . . . . . . . . . . . . . . . . . . 50

Disassembly Procedure Flowchart . . . . . . . . . . . . . 51

Removing the Battery Pack . . . . . . . . . . . . . . . 53

Removing the DIMM . . . . . . . . . . . . . . . . . . . . 53

Removing the Modem Board . . . . . . . . . . . . . . 54

Removing the Keyboard . . . . . . . . . . . . . . . . . 55

Removing the LCD Module . . . . . . . . . . . . . . . . . . . 57

Disassembling the LCD . . . . . . . . . . . . . . . . . . 58

Disassembling the Main Unit . . . . . . . . . . . . . . . . . . 61

Removing the HDD & PCMCIA Heat Sink. . . . 61

Removing the Hard Disk Drive . . . . . . . . . . . . 61

Removing the CPU Heat Sink and CPU Board62

Removing the RTC Battery . . . . . . . . . . . . . . . 63

Disassembling the Upper Case . . . . . . . . . . . . 63

Removing the Touchpad . . . . . . . . . . . . . . . . . 64

Disassembling the Lower Case. . . . . . . . . . . . . . . . 66

Removing the CD-ROM/Diskette Drive Module66

Removing the Speakers . . . . . . . . . . . . . . . . . 68

Removing the DC-DC/Charger Board . . . . . . . 69

Removing the DC-DC/Charger Board . . . . . . . 70

Removing the System Board . . . . . . . . . . . . . . 70

Extensa 500 Service Guide

5

Removing the PCMCIA slot . . . . . . . . . . . . . . 71

Removing the Modem Phone Jack. . . . . . . . . 71

Chapter 4 Troubleshooting

System Check Procedures . . . . . . . . . . . . . . . . . . . 74 Diskette Drive Check . . . . . . . . . . . . . . . . . . . 74 CD-ROM Drive Check . . . . . . . . . . . . . . . . . . 74 Keyboard or Auxiliary Input Device Check . . . 75 Memory Check . . . . . . . . . . . . . . . . . . . . . . . . 75 Power System Check . . . . . . . . . . . . . . . . . . . 75 Touchpad Check . . . . . . . . . . . . . . . . . . . . . . 77

Error Symptom-to-FRU Index. . . . . . . . . . . . . . . . . 78 Error Messages List . . . . . . . . . . . . . . . . . . . . 78 No-Beep Symptoms . . . . . . . . . . . . . . . . . . . . 80 LCD-Related Symptoms . . . . . . . . . . . . . . . . . 81 Indicator-Related Symptoms . . . . . . . . . . . . . 82 Power-Related Symptoms . . . . . . . . . . . . . . . 82 PCMCIA-Related Symptoms . . . . . . . . . . . . . 83 Memory-Related Symptoms . . . . . . . . . . . . . . 83 Speaker-Related Symptoms. . . . . . . . . . . . . . 83 Power Management-Related Symptoms . . . . 84 Peripheral-Related Symptoms . . . . . . . . . . . . 85 Keyboard/Touchpad-Related Symptoms . . . . 85 Intermittent Problems . . . . . . . . . . . . . . . . . . . 86 Undetermined Problems . . . . . . . . . . . . . . . . . 86 Modem-Related Symptoms . . . . . . . . . . . . . . 86

Chapter 5 Connectors and Jumpers

SW1 Settings . . . . . . . . . . . . . . . . . . . . . . . . . 90

SW2 Settings . . . . . . . . . . . . . . . . . . . . . . . . . 90

Spare Parts List (P/N:91.45BXX.XXX) . . . . . . 91

Chapter 6 Spare Parts List

Model Number Definitions . . . . . . . . . . . . . . 101

6

Table of Contents

Appendix A Model Definitions

Appendix B Compatibility Tested Components

Extensa 500 Service Guide

7

8

Table of Contents