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Packard Bell EasyNote LJ75/LJ77
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 to this service guide. Date Chapter Updates II
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Copyright Copyright © 2009 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 rep
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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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Your Notebook tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents Removing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 Removing the Upper Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76 Removing the TouchPad Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80 Removing the Media Board FFC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Removing the LED Board . . . . . . . . . . . . . . . . . .
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Table of Contents Power On Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 No Display Issue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141 Random Loss of BIOS Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142 LCD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143 Built-In Keyboard Failure
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Table of Contents Online Support Information 207 Index 209 X
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Chapter 1 System Specifications Features Below is a brief summary of the computer’s many features: NOTE: Specifications denoted with an asterisk (*) vary depending on the model. Operating System • Genuine Windows® 7 Home Premium 64-bit* • Genuine Windows® 7 Home Basic 64-bit* Platform • Intel® Core™ i7-620M processor (4 MB L3 cache, 2.66 GHz with Turbo Boost up to 3.33 GHz, DDR3 1066 MHz, 35 W), supporting Intel® 64 architecture, Intel® Smart Cache* • Intel® Core™ i5-430M/i5-520M/i5-540M proces
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• Dual independent display support • 16.7 million colors • External resolution / refresh rates*: • VGA port up to 2048 x 1536: 85 Hz • HDMI™ port up to 1920 x 1200: 60 Hz • MPEG-2/DVD decodingVC-1 and H.264 (AVC) decodingMicrosoft® DirectX Video Acceleration (DXVA) application interface (API) • HDMI™(High-Definition Multimedia Interface) with HDCP (High-bandwidth Digital Content Protection) support Storage subsystem* • One or two 160/250/320/500/640 GB or larger hard disk drives • Multi-in-1
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• 802.11b/g/n Wi-Fi CERTIFIED™ • 802.11b/g Wi-Fi CERTIFIED™ • WPAN*: Bluetooth® 2.1+EDR • LAN: Gigabit Ethernet, Wake-on-LAN ready • Modem: 56K ITU V.92 with PTT approval* Privacy control • BIOS user, supervisor, HDD passwords • Kensington lock slot Power • ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes • 4400 mAh 6-cell Li-ion battery pack with integrated graphics: • 3-hour 10-minute battery life* • 3-pin 65 W AC adapter • 4400 mAh 6-cell Li-ion ba
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• Packard Bell InfoCentre • Packard Bell MyBackup Solution • Packard Bell Recovery Management • Packard Bell Updater • Adobe® Flash® Player 9 • Adobe® Photoshop® Elements 7 • Adobe® Reader® 9 • CyberLink® Blu-ray Disc™ / DVD Solution™, featuring PowerDVD™eBay® desktop shortcut • Google Toolbar™ • Metaboli linkMicrosoft® Works with Office Home and Student 2007 Trial • Nero® 9 EssentialsNorton Internet Security™ 2009 Trial (60 days) • Windows Live™ Essentials Optional • Bluetooth® 2.1 module1 GB /
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System Block Diagram Chapter 1 5
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Your Notebook tour NOTE: Port placement may vary depending on the model. Front View Component Icon Description 6 Chapter 1
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Left View 1 7 4 2 3 5 6 No. Component Icon Description 1 Kensington™ Secure your notebook to an object by connecting a lock slot Kensington cable lock to this slot. 2 Monitor port Plug an analog VGA monitor or projector into this port. 3 Ethernet jack Plug an Ethernet network cable into this jack. Plug the other end of the cable into a cable modem, DSL modem, or an Ethernet network jack. 4 HDMI out jack HDMI HDMI Plug an HDMI device, such as a high definition television, into this optional j
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Right View 2 3 1 No. Component Icon Description 1 Blu-Ray Disc Insert CDs or DVDs into this drive. Drive 2 USB ports (2) Plug a USB device (such as a diskette drive, flash drive, printer, scanner, camera, keyboard, or mouse) into this port. 3 Power button Press to turn the power on or off. You can also configure the power button for Sleep/Resume mode. Rear View Component Icon Description Ventilation fan Helps cool internal components. Warning: Do not work with the notebook resting on your la
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Bottom View Component Icon Description Battery Provides power when the notebook is not plugged into AC power. Battery lock Slide to unlock the battery. Battery latch Slide to release the battery. Memory bay Memory modules are located in this bay. Hard drive bay The hard drive is located in this bay. Ventilation slots Helps cool internal components. and cooling fan Warning: Do not work with the notebook resting on your lap. If the air vents are blocked, the notebook may become hot enough to ha
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Keyboard Area (selected models) 1 2 No. Component Description 1 Capacitive touch Press to access capacitive touch key function. keys 2 Touchpad Provides all the functionality of a mouse. 10 Chapter 1
