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 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.  
Acer is a registered trademark of Acer Corporation.
Intel is a registered trademark of Intel Corporation.
Pentium and Pentium II/III are trademarks of Intel Corporation.
Other brand and product names are trademarks and/or registered trademarks of their respective holders. 
						

							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 be covered 
in this generic service guide. In such cases, please contact your regional offices or the responsible 
personnel/channel to provide you with further technical details.
2.Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information 
available on your regional web or channel. If,  for whatever reason, a part number change is made, it will 
not be noted in the printed Service Guide.  For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer 
office may have a DIFFERENT part number code to those given in the FRU list of this printed Service 
Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and 
service of customer machines. 
						

							VI 
						

							1
Chapter 1 System Specifications  1
Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
System Block Diagram  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Board Layout   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Top View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Bottom View   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Your Acer Notebook tour   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Aspire 3620 front View   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
TravelMate 2420 front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Closed Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Left View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Right View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Rear Panel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Bottom Panel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Indicators   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Easy-Launch Buttons   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Touchpad Basics   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Using the Keyboard   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Lock Keys and embedded numeric keypad   . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Windows Keys   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Hot Keys  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Special Key  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Acer Empowering Technology   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Acer eDataSecurity Management  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Acer eLock Management   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Acer ePerformance Management  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Acer eRecovery Management   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Acer eSettings Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Acer ePower Management  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Hardware Specifications and Configurations   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Chapter 2 System Utilities  37
BIOS Setup Utility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Navigating the BIOS Utility   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Information   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Main   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Security  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Exit   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
BIOS Flash Utility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Chapter 3 Machine Disassembly and Replacement  49
General Information   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Before You Begin   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Disassembly Procedure Flowchart  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Removing the Battery Pack   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Removing the Wireless LAN Card/the HDD Module/the Memory/
the ODD Module and the LCD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Removing the Memory and the HDD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Removing the ODD Module   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Removing the LCD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Disassembling the Main Unit   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Table of Contents 
						

							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  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Disassembling the HDD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Disassembling the ODD Module  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Chapter 4 Troubleshooting  65
System Check Procedures  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
External Diskette Drive Check   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
External CD-ROM Drive Check   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Keyboard or Auxiliary Input Device Check   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Memory check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Power System Check  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Touchpad Check  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Power-On Self-Test (POST) Error Message   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Index of Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Phoenix BIOS Beep Codes   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Index of Symptom-to-FRU Error Message  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Intermittent Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Undetermined Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Chapter 5 Jumper and Connector Locations  83
Top View  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Bottom View   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Chapter 6 FRU (Field Replaceable Unit) List  85
Aspire 3620/TravelMate 2420 Exploded Diagram   . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Table of Contents 
						

							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 multi-window 
viewing on dual display via Acer DridVistaTM
T16.7 million colors
TIntel® GMA 900 integrated 3D graphics, with up to 128 MB of VRAM, supporting Microsoft® 
directX® 9.0 and dual independent display
TSimultaneous LCD and CRT display, with LCD panel refresh rate at 70 Hz
TMPEG-2/DVD hardware-assisted capability
Storage subsystem
T40/60/80/100/120 GB ATA/100 hard disk drive
TOptical drive options:
tDVD-Dual double layer drive
tDVD/CD-RW combo drive
Input devices
T88/89-key keyboard
TBuilt-in touchpad with 4-way integrated scroll button
TFour easy-launch buttons
TTwo front-access buttons: WLAN LED-button and Bluetooth® LED-button
Audio
TAudio system with two built-in speakers and microphone
TIntel® High-Definition audio support for south bridge (Note: ICH6M supports Intel® High-Definition 
audio and AC’97. However the audio codec for Aspire 3620/TravelMate 2420 is Realtek ALC655 
and the codec supports AC’97 only. Therefore, Aspire 3620/TravelMate 2420 audio employs 
AC’97 codec not HD audio codec)
TSound Blaster ProTM and MS-Sound compatible
TS/PDIF (Sony/Philips Digital Interface) support for digital speakers
Communication
TModem: 56K ITU V.92 modem with PTT approval; wake-on ring ready
TLAN: 10/100 Mbps Fast Ethernet; wake-on-LAN ready
System Specifications
Chapter  1 
						

							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 S/PDIF
TMicrophone-in jack
TLine-in jack
TEthernet (RJ-45) port
TModem (RJ-11) port
TDC-in jack for AC adaptor
Environment
TTemperature:
toperating: 5 C to 35 C
tNon-operating: -20 C to 65 C
THumidity (non-condensing):
toperating: 20%~80%
tNon-operating: 20%~80%
°°
°°