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Aspire 7745 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 this service guide. Date Chapter Updates II
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Copyright Copyright © 2010 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. NOTE: This s
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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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Notebook Tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents Removing the Bluetooth Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72 Removing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74 Removing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76 Removing the LAN Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78 Removing the RTC Battery . . . . . . . . . . . .
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Table of Contents Internal Speaker Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .146 Internal Microphone Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147 HDD Not Operating Correctly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148 USB Failure (Right up/down side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149 Other Failures . . . . . . . . . . . . . . . .
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Table of Contents X
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Chapter 1 System Specifications Features Below is a brief summary of the computer’s many features: 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 processor (3 MB L3 cache, 2.26/2.40/2.53 GHz with ® Turbo Boost up to 2.53/2.93
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• WMV9 (VC-1) and H.264 (AVC) decoding ™ • HDMI (High-Definition Multimedia Interface) with HDCP (High-bandwidth Digital Content Protection) support Storage subsystem • One or two 160/250/320/500 GB or larger hard disk drive ™ ™ ™ • Multi-in-1 card reader, supporting Secure Digital (SD), MultiMediaCard (MMC), Memory Stick ™ ™ (MS), Memory Stick PRO (MS PRO), xD-Picture Card (xD) Audio subsystem ® • Dolby -optimized surround sound system with two built-in stereo speakers and one subwoofer supp
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Communication • Acer Video Conference, featuring:· • Acer Crystal Eye high-def webcam with 1280 x 1024 resolution •WLAN:· ® ® ™ ™ • Intel Centrino Wireless-N 1000 b/g/n Wi-Fi CERTIFIED with Acer Nplify featuring MIMO technology ™ ™ ™ Nplify 802.11 b/g/n Wi-Fi CERTIFIED • Acer InviLink ™ ™ • Acer InviLink 802.11b/g Wi-Fi CERTIFIED ™ • Supporting Acer SignalUp wireless technology ® • WPAN: Bluetooth 2.1+EDR • LAN: Gigabit Ethernet, Wake-on-LAN ready Privacy control • BIOS user, supervisor, HDD p
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I/O Ports ™ • Multi-in-1 card reader (SD , MMC, MS, MS PRO, xD) • Four USB 2.0 ports • External display (VGA) port ™ • HDMI port with HDCP support • Headphone/speaker/line-out jack with S/PDIF support • Microphone-in jack • Ethernet (RJ-45) port • Modem (RJ-11) port • DC-in jack for AC adapter Software • Productivity • Acer Backup Manager • Acer ePower Management • Acer eRecovery Management • Acer PowerSmart Manager ® ® • Adobe Flash Player 10 ® ® • Adobe Reader 9.1 ™ •eSobi ™ • Google Setup ™ •
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• Communication and ISP ® ™ •Microsoft Silverlight ™ ™ • Windows Live Essentials — Wave 3.2 (Mail, Photo Gallery, Live Messenger, Movie Maker, Writer) • Utilities and tools • Acer Accessory Store (Belgium, France, Germany, Italy, Netherlands, Spain, Sweden, UK only) • Acer Assist • Acer Identity Card • Acer Registration • Acer Updater ® •eBay shortcut 2009 (Canada, France, Germany, Italy, Mexico, Spain, UK, US only) • Netflix shortcut (US only) Optional Items • 1 GB / 2 GB DDR3 1066 MHz soDIMM
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System Block Diagram GPU CORE PWR CHARGER ISL6264 ISL88731 GPU IO PWR 3/5V SYS PWR ISL62827 ISL6237 DISCHARGER CPU CORE PWR ISL62882 CLOCK GENERATOR Fan Driver intel ARD: 1.05V SELGO: SLG8SP595V (PWM Type) +1.0V/+1.5V CPU VTT CFD: 1.1V X'TAL UP61111 AQDD 14.318MHz Clarksfield ISL62881 UP61111 AQDD * DDR III Dual Channel XDP Conn. SO-DIMM 0 Arrandale 800/ 1066 MHz SO-DIMM 1 THERMAL DDR3 PWR Auburndale SO-DIMM 2 80
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Notebook Tour This section provides an overview of the features and functions of the notebook. Top View 1 11 2 3 10 4 9 5 6 8 7 # Icon Item Description 1 Microphone Internal microphone for recording sound. 2 Display screen Also called Liquid-Crystal Display (LCD), displays computer output (configuration may vary by model). Chapter 1 7
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# Icon Item Description 3 HDD indicator Indicates when the hard disc drive is active. Num Lock Lights up when the Num Lock is activated. indicator Caps Lock Lights up when the Caps Lock is activated. indicator 4 Power button/ Turns the computer on and off. Indicates the computer’s Indicator power status. 5 Keyboard For entering data into your computer 6 Touchpad Touch-sensitive pointing device which functions like a computer mouse. 7 Click buttons (left The left and right buttons function like
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Left View 124 356 # Icon Item Description Kensington lock Connects to a Kensington-compatible computer security slot lock. Note: Wrap the computer security lock cable around an immovable object such as a table or handle of a locked 1 drawer. Insert the lock into the notch and turn the key to secure the lock. Some keyless models are also available. Ventilation slots Enable the computer to stay cool, even after prolonged 2 use. External display Connects to a display device (e.g., external mon
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# Icon Item Description USB 2.0 port Connects to USB 2.0 devices (e.g., USB mouse, USB 1 camera). 2 Optical drive Internal optical drive; accepts CDs or DVDs. Optical disk Lights up when the optical drive is active. 3 access indicator Optical drive Ejects the optical disc from the drive. eject 4 button Emergency eject Ejects the optical drive tray when the computer is turned hole off. 5 Note: Insert a paper clip to the emergency eject hole to eject the optical drive tray when the computer is
