Acer Aspire 3620 Service Guide

Aspire 3620/TravelMate 2420 Series
Service Guide
    
                                                                                                                                     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 Aspire 3620/TravelMate 2420 service guide.
DateChapterUpdates
2006/01/13 Chapter 1
Add Intel
® Pentium®  M 730/740 Processor (2 MB L2 
cache, 1.73GHz, 533 MHz FSB) to page 1.
2006/3/30 Chapter 1 1. Put a note for HD audio support on page 1. 

III
Copyright
Copyright © 2006 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 

1
Chapter 1 System Specifications  1
Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
System Block Diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Board Layout   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Top View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

2
Separate the Main Unit Into the Upper and the Lower Case Assembly   . . . . . . .58
Disassembling the Lower Case Assembly   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Disassembling the Upper Case Assembly   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Disassembling the LCD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Disassembling the External Modules  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Chapter 11
Features
Below is a brief summary of the computer’s many feature:
Platform and memroy
TIntel® Pentium®  M 725 Processor (2 MB L2 cache, 1.6GHz, 400 MHz FSB) or Intel® Pentium®  M 
730/740Processor (2 MB L2 cache, 1.73GHz, 533 MHz FSB)
TIntel® Celeron M 370/380/390 Processor (1 MB L2 cache, 1.50/1.60/1.70GHz, 400MHz FSB)
TIntel® 910GML+ICH6M
TTwo DIMM slots support 128MB to 2GB system memory
Display and graphics
T14.1” WXGA color TFT LCD, 1280 x 800 pixel resolution, supporting simultaneous...

2Chapter 1
TWLAN: integrated Acer InviLinkTM 802.11b/g WI-Fi® CERTIFIEDTM solution; Acer SignalUpTM 
technology support
TWPAN: integrated Bluetooth®
Human-centric design and ergonomics
TRugged, yet extremely portable design
TStylish appearance
TFull-size keyboard with four programmable launch keys
TErgonomically-centered touchpad pointing device
TInternet 4-way scroll button
I/O Ports
TThree USB 2.0 ports
TPC Card slot (one type II)
TExternal display (VGA) port
THeadphones/speaker/line-out jack with...