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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 Acer's "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
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VI
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Table of Contents Chapter 1 System Specifications 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents 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 . . . . . . . . . . . . . . . . . . . . . . . . . .
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Chapter 1 System Specifications Features Below is a brief summary of the computer’s many feature: Platform and memroy ® ® ® ® Intel 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) ® Intel Celeron M 370/380/390 Processor (1 MB L2 cache, 1.50/1.60/1.70GHz, 400MHz FSB) ® Intel 910GML+ICH6M Two DIMM slots support 128MB to 2GB system memory Display and graphics 14.1” WXGA color TFT LCD, 1280 x 800 pixel re
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® WPAN: integrated Bluetooth Human-centric design and ergonomics Rugged, yet extremely portable design Stylish appearance Full-size keyboard with four programmable launch keys Ergonomically-centered touchpad pointing device Internet 4-way scroll button I/O Ports Three USB 2.0 ports PC Card slot (one type II) External display (VGA) port Headphones/speaker/line-out jack with S/PDIF Microphone-in jack Line-in jack Ethernet (RJ-45) port Modem (RJ-11) port DC-in jack for AC adaptor Env
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System Block Diagram G792 Mobile CPU CLK GEN. 19 Dothan IDT CV125 3 4, 5 RGB CRT HOST BUS 400MHz CONN 14 DDR II 400MHz LCD 400 MHz Intel 910GML LVDS 11,12 XGA 13 DDR II 400MHz 400 MHz 6,7,8,9,10 11,12 DMI I/F 100MHz ENE Line In ACLINK 27 Codec PCI BUS PWR SW CB1410 PCMCIA ALC655 CP2211 Int. 26 25 ONE SLOT 24,25 MIC In 27 25 Mini-PCI ICH6-M OP AMP 802.11A/B/G Line Out 28 27 LAN G1421B 27 10/100 TXFM RJ45 23 RTL8110CL 23 22, 23 INT.SPKR MODEM 27 MDC Card 21 LPC BUS 15,16,17,18 BIOS ROM Xbus KBC 4
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Board Layout Top View 1 SW1 Switch 7 BLUE1 Bluetooth Cable Connector 2 LEDB1 LED Board Cable Connector 8 U39 LAN Connector: RTL8100CL 3 KB1 Keyboard Connector 9 RTC1 RTC Battery Connector 4 TPAD1 Touchpad Cable Connector 10 U40 Keyboard Controller: ENE CB- 1410QF 5 LCD1 LCD Cable Connector 11 SPKR1 Speaker Set Cable Connector 6 LAUNCH1 Launch Board Cable Connector 4 Chapter 1
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Bottom View NOTE: This is engineering sample. The image above may not be exactly the same as the real main board you get. 1 USB2 USB port 13 ODD1 ODD Connector 2 USB3 USB port 14 WIN1 Wireless LAN Card Slotr 3 USB4 USB port 15 DM1 DIMM Slot1 4 LAN1 RJ11+RJ45 (Modem Port+ Ethernet 16 DM3 DIMM Slot2 Port) 5MDCW Modem Cable Connector 17 U44 Keyboard Controller (ENE KB3910SF) 1 6 CRT1 External Display Port 18 U49 BIOS ROM 7 MDC Modem Board Connector 19 U32 Audio Codec (Realtek ACL) 8 U41 CPU Socket
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Jumper Settings PIN Description Pin1-Pin8 Clear Password Pin2-Pin7 No Function Pin3-Pin6 No Function Pin4-Pin5 No Function 6 Chapter 1
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Your Acer Notebook tour After knowing your computer features, let us show you around your new TravelMate computer. Aspire 3620 front View Chapter 1 7
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TravelMate 2420 front view # Icon Item Description 1 Display screen Also called LCD (liquid-crystal display), displays computer output. 2 Status indicators Light-Emitting Diodes (LEDs) that light up to show the status of the computer’s functions and components. 3 Keyboard For entering data into your computer. 4 Touchpad Touch-sensitive pointing device which functions like a computer mouse. 5 Click buttons (left, The left and right buttons function like the center and right) left and right m
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# Item Description # Item Description Closed Front View "Easy-launch buttons" on page 18 "Easy-launch buttons" on page 18 # Icon Item Description ® 1 Press to enable/disable Bluetooth Bluetooth function. Lights to indicate the communication button/ indicator status of Bluetooth- # Icon Item Description communications. 2 Wireless Press to enable/disable Wireless function. communication button/ Lights to indicate the status of wireless # Icon Item Description indicator LAN communications. 3 S
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Left View # Icon Item Description 1 Kensington lock slot Connects to a Kensington-compatible computer security lock. 2 Optical drive Internal optical drive; accepts CDs or DVDs. 3 Optical disk access Lights up when the optical drive is active. indicator 4 Optical drive eject Ejects the optical disk from the drive. button 5 Emergency eject hole Ejects the optical drive tray when the computer is turned off. 6 PC Card slot eject Ejects the PC Card from the slot. button 7 PC Card slot Accepts on
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4 Ethernet (RJ-45) Connects to an Ethernet 10/100/1000- based network. Rear Panel # Icon Item Description 1 DC-in jack Connects to an AC adapter. External display Connects to a display device(e.g., (VGA) port external monitor, LCD projector). Battery Powers the computer Bottom Panel # Item Description 1 Battery lock Locks the battery in position. 2 Cooling fan Helps keep the computer cool. Note: Do not cover or obstruct the opening of the fan. Chapter 1 11
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3 Hard disk bay Houses the computer’s hard disk (secured with screws) 4 Memory compartment Houses the computer’s main memory. 5 Battery release latch Release the battery for removal. 6 Battery bay Houses the computer’s battery pack. Indicators The computer has four easy-to-read status indicators on the upper-right above the keyboard, and four on the front panel. Aspire 3620: TravelMate 2420: The power, battery and wireless communication status indicators are visible even when the LCD display i
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Aspire 3620/TravelMate 2420 Series
Service Guide
Service guide files and updates are available
on the ACER/CSD web; for more information,
please refer to http://csd.acer.com.tw
PRINTED IN TAIWAN
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Revision History Please refer to the table below for the updates made on Aspire 3620/TravelMate 2420 service guide. Date Chapter Updates ® ® 2006/01/13 Chapter 1 Add Intel Pentium M 730/740 Processor (2 MB L2 cache, 1.73GHz, 533 MHz FSB) to page 1. II
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Copyright Copyright © 2005 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 r
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Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes 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. IV
