Acer Aspire 7720 Service Guide

							Asprire Poyang Series
Service Guide
    
                                                                                                                                     PRINTED IN TAIWAN Service guide files and updates are available
on the ACER/CSD web; for more information, 
please refer to http://csd.acer.com.tw 
						

							II
Revision History
Please refer to the table below for the updates made on Aspire Poyang service guide.
DateChapterUpdates 
						

							III
Copyright
Copyright © 2007 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 representations or warranties, either expressed or implied, with respect to the 
contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular 
purpose.  Any Acer Incorporated software described in this manual is sold or licensed as is.  Should the 
programs prove defective following their purchase, the buyer (and not  Acer Incorporated, its distributor, or its 
dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential 
damages resulting from any defect in the software.  
Acer is a registered trademark of Acer Corporation.
Intel is a registered trademark of Intel Corporation.
Pentium and Pentium II/III are trademarks of Intel Corporation.
Other brand and product names are trademarks and/or registered trademarks of their respective holders. 
						

							IV
Conventions
The following conventions are used in this manual:
SCREEN MESSAGESDenotes actual messages that appear 
on screen.
NOTEGives bits and pieces of additional 
information related to the current 
topic.
WARNINGAlerts you to any damage that might 
result from doing or not doing specific 
actions.
CAUTIONGives precautionary measures to 
avoid possible hardware or software 
problems.
IMPORTANTReminds you to do specific actions 
relevant to the accomplishment of 
procedures. 
						

							V
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 Acers 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 will NOT be covered 
in this generic service guide. In such cases, please contact your regional offices or the responsible 
personnel/channel to provide you with further technical details.
2.Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information 
available on your regional web or channel.  If, for whatever reason, a part number change is made, it will 
not be noted in the printed Service Guide.  For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer 
office may have a DIFFERENT part number code to those given in the FRU list of this printed Service 
Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and 
service of customer machines. 
						

							VI 
						

							Chapter 11
Features
Below is a brief summary of the computer’s many features:
Operating system
TGenuine Windows® VistaTM Capable
TGenuine Windows® VistaTM Home Basic / Home Premium / Ultimate / Business Edition
TGenuine Windows® XP Home / Professional Edition (Service Pack 2)
TGenuine Windows® XP Media Center / Tablet Edition
TGenuine Windows® 2000 (Service Pack 4)
NOTE: Windows
® VistaTM Capable PCs come with Windows® XP installed, and can be upgraded to 
Windows® VistaTM. For more information on Windows® VistaTM and how to upgrade, go to: 
Microsoft.com/windowsvista.
Platform and memory
TIntel® Centrino® Merom mobile technology, featuring:
t Intel® CoreTM2 Duo processor T7300/T7500/T7700 (4MB, L2 cache 2.0/2.2/2.4, 800 MHz FSB) or higher
t Intel® CoreTM2 Duo processor T5450/T7100 (2MB, L2 cache 1.66/1.8, 667/800 MHz FSB) or higher
t Intel® 965PM/965GM Express chipset
TIntegrated Intel® PRO/Wireless 4965ABGN network connection (dual-band tri-mode 802.11a/b/g/
n) Wi-Fi CERTIFIEDTM solution, supporting Acer SignalUpTM wireless technology
TCore logic: Intel® 965PM/965GM+ICH8M (north bridge+ south bridge)
TUp to 2GB of DDR2 533/677 MHz memory, upgradeable to 4GB using two soDIMM modules 
(dual-channel support)
Display and graphics
T17” WXGA+ high-brightness Acer CrystalBriteTM TFT LCD, 1680 x 1050 pixel resolution, 6 lamps
T16 ms typical of/off and 8 ms average gray-to-gray response time
TSimultaneous multi-window viewing via Acer VistaTM supported
TSupporting NVIDIA® PureVideoTM technology (WMV HD, High-Definition MPEG-2 Hardware 
Acceleration, integrated HDTV encoder) dual-link DVI, Microsoft® DirectX® 9.0, Shader Model 3.0, 
OpenEXR High Dynamic Range (HDR) technology, NVIDIA® PowerMizerTM 6.0 and PCI Express®
TDual independent display
T16.2 million colors
TMPEG-2/DVD hardware-assisted capability
TS-video/TV-out (NTSC/PAL) support
TAcer ArcadeTM featuring Acer CinemaVisionTM and Acer ClearVision technologies
Audio
TIntel® High Definition audio support
TTwo built-in Acer 3DSonic stereo speakers (1W)
System Specifications
Chapter  1 
						

							2Chapter 1
TDolby® Digital Live and DTS Neo: PC support
TSound Blaster ProTM and MS Sound compatible
TBuilt-in microphone
Storage subsystem
TTwo 80/100/120/160/200 GB Serial ATA hard disk drives, supporting software RAID 0/1
TOptical drive options: DVD-Super Multi double-layer drive (slot-load)
T5-in-1 card reader, supporting Secure Digital (SD), MultiMediaCard (MMC), Memory Stick® (MS), 
Memory Stick PROTM (MS PRO), xD-Picture CardTM (xD)
Input devices
T88/89-key Acer FineTouchTM keyboard with 5-degree curve
TTouchpad with 4-way scroll button
TFour easy-launch buttons
TTwo front-access switches: WLAN LED and Bluetooth® LED-switches
Communication
TAcer Video Conference, featuring Voice and Video over Internet Protocol (VVoIP) support via Acer 
OrbiCam
TM and optional Acer Bluetooth® VoIP phone
TAcer OrbiCamTM 0.3 megapixel CMOS camera, featuring:
t 30 degree ergonomic rotation
t Acer VisageOnTM technology
t Acer PrimaLiteTM technology
TModem: 56K ITU V.92 modem with PTT approval; wake-on ring ready
TLAN: gigabit Ethernet; wake-on-LAN ready
TWPAN: Bluetooth® 2.0+EDR (Enhanced Data Rate)
TWLAN: Intel® PRO/Wireless 4965ABGN network connection (dual-band tri-mode 802.11a/b/g/n) 
Wi-Fi® CERTIFIEDTM solution, supporting Acer SignalUpTM wireless technology
I/O Ports
TPCI Express Card slot (54mm type)
T5-in-1 card reader (SD/MMC/MS/MS PRO/xD)
TFour USB 2.0 ports
TIEEE 1394 port
TMicrosoft MCE infrared (MIR) port
TExternal display (VGA) port
TDVI-D port (for selected models)
TS-video/TV-out (NTSC/PAL) port
TRF-in port (for selected models)
TAV-in port
THeadphones port with S/PDIF support
TMicrophone-in jack
TLine-in jack
TEthernet (RJ-45) port
TModem (RJ-11) port
TDC-in jack for AC adapter 
						

							Chapter 13
Environment
TTemperature:
t Operating: 5ºC to 35ºC
t Non-operating: -20ºC to 65ºC
THumidity (non-condensing):
t Operating: 20%~80%
t Non-operating: 20%~80% 
						

							4Chapter 1
System Block Diagram