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Acer Aspire 4745
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 guides. 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 Your Acer Notebook tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents Removing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64 Removing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Removing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68 Removing the CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69 Removing the RTC Battery . . . . . . . . . .
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Table of Contents TouchPad Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112 Internal Speaker Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112 HDD Not Operating Correctly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114 ODD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115 Wireless Function Failure . .
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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: NOTE: Items denoted with an (*) are only available for selected models. 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 M
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• 16.7 million colors • External resolution / refresh rates6: • VGA port up to 2048 x 1536: 85 Hz • HDMI™ port up to 1920 x 1080 60 Hz • MPEG-2/DVD decoding • VC-1 and H.264 (AVC) decoding • Microsoft® DirectX® Video Acceleration (DXVA) application interface (API) • HDMI™ (High-Definition Multimedia Interface) 1.3 with HDCP (High-bandwidth Digital Content Protection) support • 1.65Gbps resolution • 1920*180p Mini Card • 2* Mini PCIE card • 2 Mini PCIE card slot [1 for 3G (full size) and 1 for W
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RAM, 4X DVD+R DL, 4X DVD-R DL • 4X Blu-ray Disc™1 writer/DVD-Super Multi double-layer drive: • Read: 24X CD-ROM, 24X CD-R, 24X CD-RW, 8X DVD-ROM, 8X DVD-R, 8X DVD+R, 6X DVD-ROM DL, 6X DVD-R DL, 6X DVD+R DL, 8X DVD-RW, 8X DVD+RW, 5X DVD-RAM, 4X BD-ROM, 4X BD-R, 4X BD-RE, 4X BD-ROM DL, 4X BD-R DL • Write: 24X CD-R, 10X CD-RW, 8X DVD-R, 8X DVD+R, 6X DVD-RW, 6X DVD+RW, 5X DVD- RAM, 4X DVD+R DL, 4X DVD-R DL, 4X BD-R, 2X BD-RE, 4X BD-R DL • 8X DVD-Super Multi double-layer drive: • Read: 24X CD-ROM,
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Special keys and controls • 86-/87-/91-key keyboard with inverted "T" cursor layout • Multi-gesture touchpad pointing device supporting scroll, pinch, rotate, flip • 10 function keys, four cursor keys, two Windows® keys, hotkey controls, independent standard numeric keypad, international language support • Acer Programming key • Easy-launch keys: Communication® • Media control keys (printed on keyboard): play/pause, stop, previous, next I/O interface • Multi-in-1 card reader (SD™, MMC, MS, MS P
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• Acer Arcade™ Deluxe· • NTI Media Maker™ • Gaming· • Oberon GameZone Acer Edition1 · • WildTangent® Acer Edition1 • 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 • Acer Assist· • Acer Identity Card· • Acer Registration· • Acer Updater· • eBay® shortcut 2009· • Netflix shortcut1 Optional Items • Acer Media Center remote control • 1 GB / 2 GB / 4 GB
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System Block Diagram GPU CORE PWR CHARGER 3/5V SYS PWR DISCHARGER CPU CORE PWR CLOCK GENERATOR Fan Driver intel (PWM Type) +1.0V/+1.8V CPU VTT CPU VGFX_AXG VTT 1.05V CPU Arrandale (SG) Dual Channel DDR III XDP Conn. 800/ 1066 MHz SO-DIMM 0 THERMAL DDR3 PWR SO-DIMM 1 PROTECTION rPGA 989 (37.5mm X 37.5mm) PCI-E PCIE CRT X16 CRT ATI GPU LVDS FDI DMI LVDS_CRT Madison/Park LP/PRO 1GB INT_CRT Switchable HDD (SATA) (16 x 64Mb x 8pcs) INT_LVDS LVDS FDI interface X4 DMI interface X'TA
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Your Acer Notebook tour Front View 1 2 3 4 13 5 12 11 6 7 10 8 9 No. Icon Item Description 1 Acer Crystal Eye Web camera for video communication webcam (for selected models). 2 Microphone Internal microphone for recording sound. 3 Display screen Also called Liquid-Crystal Display (LCD), displays computer output. Chapter 1 7
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No. Icon Item Description 4 HDD Indicates when the hard disk drive is active. Num Lock Lights up when Num Lock is activated. indicator Caps Lock Lights up when Caps Lock is activated. indicator 5 Power button Turns the computer on and off. 6 Keyboard For entering data into your computer. 7 TouchPad Touch-sensitive pointing device which functions like a computer mouse. 8 Power Indicator Indicates the computer’s power status. Battery Indicator Indicates the computer’s battery status. 1. Charging:
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Closed Front View 1 No. Icon Item Description 1Multi-in-1 Accepts Secure Digital (SD), card reader MultiMediaCard (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. Left View 13 2 4567 No. Icon Item Description 1 Kensington lock Connects to a Kensington-compatible slot computer security lock. 2 Ventilation slots Enable the computer to stay cool, even after prolonged use. 3 External displa
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No. Icon Item Description 7 Microphone-in Accepts input from external microphones. jack Headphones/ Connects to audio line-out devices speaker/line-out (e.g. speakers, headphones). jack Right View 13 2 45 No. Icon Item Description 1 USB 2.0 ports Connect 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 Emergency eject hole Ejects the optical drive tray whe
