Acer TravelMate 420 User Manual
Here you can view all the pages of manual Acer TravelMate 420 User Manual. The Acer manuals for Notebook are available online for free. You can easily download all the documents as PDF.
Page 1
Acer TravelMate 420 Series
Service Guide
PART NO.: VD.T19V5.001
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
TM420.book Page I Monday, September 23, 2002 10:27 AM
Page 2
II Revision History Please refer to the table below for the updates made on TravelMate 420 service guide. DateChapterUpdates 09/25/2002 Chapter 2 p.52 Update method using diagnostic utilities and testing items p.55 Update video (R.G.B) Test; Touchpad and USB mouse test 01/02/2003 Chapter 3 p. 71 Update 27th step on “Disassembling the Main Unit” and add a note after 27th step.
Page 3
III Copyright Copyright © 2002 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...
Page 4
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. TM420.book Page IV...
Page 5
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...
Page 6
VI TM420.book Page VI Monday, September 23, 2002 10:27 AM
Page 7
VII Table of Contents Chapter 1 System Specifications 1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 8
VIII Table of Contents Chpater 4 Troubleshooting 77 System Check Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 External Diskette Drive Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 External CD-ROM/DVD-ROM Drive Check . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Keyboard or Auxiliary Input Device Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Memory Check . . . . . . . . . . . ....
Page 9
Chapter 11 Features This computer was designed with the user in mind. Here are just a few of its many features: Performance TIntel® Pentium®4 Processor with 512KB level 2 cache TDDR 226 (O/c2100) SDRAM, memory expandable up to 1GB TInternal optical drive THigh-capacity, Enhanced-IDE hard disk TLi-Ion main battery pack TPower management system wit h ACPI (Advanced Configuration Power Interface) Display T Thin-Film Transistor (TFT) liquid-crystal display (LCD) displaying 32-bit high true colour up to 16.7...
Page 10
2Chapter 1 TSleek, smooth and stylish design TAcer FinTouch full-sized curved keyboard TErgonomically-centered touchpad pointing device Expansion TOne type II CardBus PC Card slots TUpgradeable memory Keyboard and Pointing Device T84/85/88-key windows keyboard TBuilt-in touchpad pointing device with ergonomic buttons and 4-way integrated scroll key T5 launch keys, including Internet browser, email (with LED for received mail), and 3 user- progammable keys TAcer InviLinkTM button for wireless models...