Acer Travelmate 620 Service Guide

TravelMate 620
Service Guide
  
PART NO.: 91.42S01.001                                                                                        PRINTED IN TAIWANService guide files and updates are available
on the AIPG/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 620 service guide.
DateChapterUpdates 

III
Copyright
Copyright © 2001 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.
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. 

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
Removing the PCMCIA Socket  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Removing the Modem Power Cable  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Disassembling the LCD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Removing the LCD Bezel  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Removing the Inverter Board   . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Chapter 11
Features
This computer was designed with the user in mind. Here are just a few of its many features:
Performance
!Intel® Mobile Pentium® III Tualatin processor with 512 KB L2 cache and Intel® SpeedStepTM 
technology support
!64-bit memory bus 
!Modular bay (removable CD or DVD drive)
!External USB floppy drive
!High-capacity, Enhanced-IDE hard disk
!Li-Ion main battery pack
!Power management system with ACPI (Advanced Configuration Power Interface)
!Smart Card interface with pre-boot...

2Chapter 1
Expansion
!One type II CardBus PC Card slot
!One SmartBus slot
!Upgradeable memory
!Removable drives
!EasyPort port replicator
Keyboard and Pointing Device
!84-/85-key Windows keyboard
!Ergonomically-centered touchpad pointing device with scroll function
I/O Ports
!One type II CardBus PC Card slot(s) 
!One RJ-45 jack for Ethernet
!One RJ-11 phone jack
!One DC-in jack (AC adapter)
!One parallel port (ECP/EPP compliant)
!One external monitor port
!One PS/2 keyboard/mouse port
!One audio line-out...