Acer Travelmate 650 Service Guide

Acer TravelMate 650 Series
Service Guide
  PART NO.: VD.T23V7.001 
                                                                                                                                     PRINTED IN TAIWAN Service guide files and updates are available
on the ACER/CSD web; for more information, 
please refer to http://csd.acer.com.tw 

II
Revision History
Please refer to the table below for the updates made on TravelMate 650 service guide.
DateChapterUpdates 

III
Copyright
Copyright © 2003 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
The information in this guide is subject to change without notice.
Acer Incorporated makes no...

IV
Conventions
The following conventions are used in this manual:
SCREEN MESSAGESDenotes actual messages that appear 
on screen.
NOTEGives bits and pieces of additional 
information related to the current 
topic.
WARNINGAlerts you to any damage that might 
result from doing or not doing specific 
actions.
CAUTIONGives precautionary measures to 
avoid possible hardware or software 
problems.
IMPORTANTReminds you to do specific actions 
relevant to the accomplishment of 
procedures. 

V
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 Acers 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...

VI 

VII
Table of Contents
Chapter 1 System Specifications  1
Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
System Block Diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Board Layout   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Top View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

VIII
Table of Contents
Disassembling the HDD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Disassembling the Optical Drive Module   . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Chapter 4 Troubleshooting  61
System Check Procedures  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
External Diskette Drive Check   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
External CD-ROM Drive Check   . . . . . . . . ....

Chapter 11
Features
This computer was designed with the user in mind.  Here are just a few of its many features:
Performance
TMobile Intel® Pentium®4 processor-M with 512KB level 2 cache featuring the new Enhanced Intel® 
SpeedStepTM technology
TMemory expandable up to 1GB
TInternal removable DVD drive (AcerMedia bay)
THigh-capacity, Enhanced-IDE hard disk
TLi-Ion main battery pack
TPower management system with ACPI (Advanced Configuration Power Interface)
TLi-Ion main battery pack
TPower management...

2Chapter 1
TSD/MMC/SM/MS memory slot (manufacturing optional)
Keyboard and Pointing Device
TInternet 4-way scroll button
TSleek, smooth and stylish design
TAcer FinTouch full-sized curved keyboard
TErgonomically-centered touchpad pointing device
Expansion
TOne type II CardBus PC Card slot
TUpgradeable memory
TEasyPort port replicator
I/O Ports
TOne Card bus type II slot
TOne RJ-11 jack for 56Kbps fax/modem
TOne RJ-45 jack for LAN 
TOne DC-in jack for AC adapter
TOne ECP/EPP compliant 25-pin parallel...