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Acer Aspire 8942/8942G 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 Acer Aspire 8942G service guides. Date Chapter Updates II
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Copyright Copyright © 2009 by Acer Computer 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 mak
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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
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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 System Specifications 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Closed Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents Removing the Launch Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Removing the Volume Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82 Removing the Power Saving Board FFC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84 Removing the Media Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85 Removing the TouchPad Lock Board . . . . . . . . . . . . . . . . .
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Table of Contents Replacing the Finger Print Reader Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . .164 Replacing the TouchPad Lock Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165 Replacing the Media Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167 Replacing the Power Saving Board FFC . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168 Replacing the Volume Control Board . . . . . . . . . . . . . . . . . . .
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Table of Contents Test Compatible Components 291 Microsoft® Windows® 7 Environment Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .292 Online Support Information 295 Index 297 X
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Chapter 1 System Specifications Features Below is a brief summary of the computer’s many features: NOTE: Items marked with * denote only selected models. Operating System • Genuine Windows 7® Platform • Intel® Core™ i7 processor* • Intel® Core™ i5 processor* • Intel® Core™ i3 processor* • Intel® HM55 Express Chipset • ATI Mobility Radeon™ HD 5650 or 5850 System Memory • Dual-Channel SDRAM support • Up to 4 GB of DDR3 1066 MHz memory, upgradeable to 8 GB using two soDIMM modules Display • 18.4” T
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Audio • Dolby®-optimized surround sound system with five built-in stereo speakers and one subwoofer • True5.1-channel surround sound output • High-definition audio support • S/PDIF (Sony/Philips Digital Interface) support for digital speakers • MS-Sound compatible • Acer Purezone technology with two built-in stereo microphones Dimensions and Weight • 440 (W) x 295 (D) x 31/43.8 (H) mm (17.34 x 11.62 x 1.22/1.73 inches) • 4.6 kg (10.1 lbs.) with 8-cell battery Communication • Acer Video Conferen
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I/O interface • ExpressCard®/54 slot • Acer Bio-Protection fingerprint reader* • Multi-in-1 card reader (SD/MMC/MS/MS PRO/xD) • USB 2.0 port • IEEE 1394 port • HDMI™ port with HDCP support • DISPLAY port • eSATA port • External display (VGA) port • Consumer infrared (CIR) port •RF-in jack* • Headphones/speaker/line-out jack with S/PDIF support • Microphone-in jack • Line-in jack • Ethernet (RJ-45) port • DC-in jack for AC adapter Environment • Temperature: • Operating: 5 °C to 35 °C • Non-operat
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ONFi 2.0 System Block Diagram GPU CORE PWR CHARGER ISL6264 ISL88731 GPU IO PWR 3/5V SYS PWR ISL62827 ISL6237 DISCHARGER CPU CORE PWR +3V,+ 5V,+1.5V,+1.05V,+1.1V_VTT ISL62882 CLOCK GENERATOR BCLK: 133MHz Fan Driver PEG_CLK: 100MHz intel ARD: 1.05V DPLL_REF_SSCLK: 120MHz SELGO: SLG8SP585V (PWM Type) +1.0V/+1.5V CPU VTT CFD: 1.1V X'TAL G93334 + Linear UP61111AQDD 14.318MHz CPU VGFX_AXG VTT 1.05V CPU & PCH ISL62881 UP61111AQDD Arrandale (SG) * Dual Channel XDP Conn. DDR III 800/ 1066
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Front View 1 2 3 15 14 4 13 5 12 6 11 7 10 8 9 Icon Item Description 1 Webcam Web camera for video communication. 2 Microphone Internal microphone for sound recording. 3 Display screen Also called Liquid-Crystal Display (LCD), displays computer output (Configuration may vary by models). 4 Power button Turns the computer on and off. Chapter 1 5
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Icon Item Description 5 Backup key Launches backup management software. Bluetooth Enables/disables the Bluetooth function. Indicates the communication status of Bluetooth communication (only for certain button/indicator models) Wireless LAN Enables/disables the wireless LAN function. Indicates communication the status of wireless LAN communication. button/indicator 6 Keyboard For entering data into your computer. 7 Touchpad Touch-sensitive pointing device which functions like a computer
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Closed Front View 3 12 # Icon Item Description 1 Multi-in-1 card Accepts Secure Digital (SD), MultiMediaCard reader (MMC), Memory Stick (MS), Memory Stick PRO (MS PRO), xD-Picture Card (xD). Note: Push to remove/install the card. Only one card can operate at any given time. 2 CIR receiver Receives signals from a remote control. 3 SpeakersDolby 5.1 speakers deliver stereo audio output. Rear View 12 Item Description 1 Tuba The dedicated Tuba CineBass subwoofer pumps out earthshaking movi
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Left View 1 23 4 56 78 910 # Icon Item Description 1 DC-in jack Connects to an AC adapter. 2 Ethernet (RJ-45) Connects to an Ethernet 10/100/1000-based network. port 3 External display Connects to a display device (e.g., external monitor, (VGA) port LCD projector). 4 DISPLAY DISPLAY port Supports high definition digital video connections. 5 HDMI HDMI port Supports high definition digital video connections. 6 eSATA e SATA port Connects to eSATA devices (only for certain models). 7 USB 2.0 port C
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Right View 12 345 678 Icon Item Description 1 USB 2.0 port Connects to USB 2.0 devices (e.g., USB mouse, USB camera). 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. Note: Insert a paper clip to the emergency eject hole to eject the optical drive tray w
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Bottom View 1 7 2 3 6 5 4 Icon Item Description 1 Battery bay Houses the computer's battery pack. 2 Battery release latch Releases the battery for removal. 3 Battery lock Locks the battery in position. 4 Hard drive bay- Houses the computer’s hard disk (secured with screws) Secondary (for certain models only). 5 Hard disk bay-Main Houses the computer's hard disk (secured with screws). 6 Memory compartment Houses the computer’s main memory 7 Ventilation slots and Enable the computer to stay cool,
