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Acer Aspire 4720 Service Guide

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    							Aspire 4720G/4720Z/4720/4320 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 4720G/4720Z/4720/4320 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. 
    						
    							Chapter 11
    Features
    Below is a brief summary of the computer’s many features:
    Operating system
    TGenuine Windows® VistaTM Home Premium
    TGenuine Windows® VistaTM Home Basic
    TGenuine Windows® VistaTM Starter
    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® Duo mobile processor technology, featuring:
    t  Intel® Core™ 2 Due mobile processor T7300/T7500/T7700 (4 MB L2 cache, 2/2.2/2.4 GHz, 800 
    MHz FSB),
    t  Intel® Core™ 2 Due mobile processor T7100 (2 MB L2 cache, 1.8 GHz, 800 MHz FSB)
    t  Intel® Core™ 2 Due mobile processor T5250/T5450 (2 MB L2 cache, 1.5/1.66 GHz, 667 MHz 
    FSB)
    t  Intel® 965PM/965GM Express chipset
    TIntel® PRO/Wireless 3945ABG network connection (dual-band tri-mode 802.11a/b/g) Wi-Fi 
    CERTIFIED® solution, supporting Acer SignalUpTM wireless technology or Intel® PRO/Wireless 
    3945BG network connection (dual-band 802.11b/g) Wi-Fi CERTIFIED® solution, supporting Acer 
    SignalUpTM wireless technology
    TCore logic: Intel® 965PM/965GM + ICH8M (north bridge + south bridge).
    TUp to 2GB of DDR2 677 MHz memory, upgradeable to 4GB using two soDIMM modules (dual-
    channel support)
    Display and graphics
    T14.1”  WXGA TFT LCD, up to and including 1280 x 800 pixel resolution
    T200-nit brightness, 16 ms response time
    TSimultaneous multi-window viewing via Acer VistaTM support
    TDual independent display
    T16.7 million colors
    TMobile Intel® GM965 Express chipset with integrated 3D graphics, featuring Intel® Graphic Media 
    Accelerator (GMA) X3100 with up to 358 MB of Intel Dynamic Video Memory Technology 4.0 (8MB 
    of dedicated GDDR2 VRAM, up to 350 MB of shared system memory), supporting Microsoft 
    DirectX
    ® 9 and DirectX® 10 (for selected models) or
    TNVIDIA GeForce® 8400M SE with up to 1024 MB of TurboCache™ (128/256 MB of dedicated 
    GDDR2 VRAM, 896/ 768 MB of share system memory), supporting NVIDIA® PureVideo™ 
    technology (WMV HD, High Definition MPEG-2 hardware acceleration), Microsoft® DirectX® 9, 
    DirectX® 10, OpenEXR High Dynamic Range (HDR) technology, and PCI Express® (for selected 
    models)
    System Specifications
    Chapter  1 
    						
    							2Chapter 1
    TMPEG-2/DVD hardware-assisted capability (acceleration/full decode) (for selected models)
    TWMV9 (VC-1) and H.264 (AVC) support (acceleration/full decode) (for selected models)
    TS-video/TV-out (NTSC/PAL) support
    TAcer ArcadeTM featuring Acer CinemaVisionTM and Acer ClearVision™ technologies
    Audio
    TDolby® certified surround sound system with two built-in stereo speakers
    TDolby® Home Theater audio enhancement featuring Dolby® Digital, Dolby® Digital Live, Dolby® 
    PRO LOGIC II, Dolby® Digital Stereo Creator, Dolby® Headphone and Dolby® Virtual Speaker 
    technologies
    TIntel® High Definition audio support
    TS/PDIF (Sony/Philips Digital Interface) support for digital speakers
    TMS Sound compatible
    TBuilt-in microphone
    Storage subsystem
    TOne  80/120/160/240/250 GB or larger Serial ATA hard disk drives
    TOptical drive options: DVD/CDRW Combo and DVD-Super Multi double-layer drive support
    T5-in-1 card reader, supporting Secure Digital (SD), MultiMediaCard (MMC), Memory Stick® (MS), 
    Memory Stick PROTM (MS PRO), and xD-Picture CardTM (xD)
    Input devices
    T88-/89-/93-key keyboard,  with inverted T cursor layout; 2.5 mm (minimum) key travel
    TSeamless touchpad pointing device with 4-way scroll button
    T12 function keys, four cursor keys, two Windows® keys, hotkey controls, embedded numeric 
    keypad, international language support, independent US and Euro dollar sign keys
    TEmpowering Key
    TEasy-launch buttons: WLAN, Internet, email, Bluetooth, Acer Arcade™
    Communication
    TAcer Video Conference, featuring:
    t  Integrated Acer Crystal Eye webcam, supporting Acer
    t  PrimaLite™ technology
    t  Optional Acer Xpress VoIP phone
    TWLAN: Intel® PRO/Wireless 3945ABG network connection (dual-band tri-mode 802.11a/b/g) Wi-Fi 
    CERTIFIED® solution, supporting Acer SignalUp™ wireless technology (for selected models) or 
    Intel® PRO/Wireless 3945BG network connection (dual-mode 802.11b/g) Wi-Fi CERTIFIED® 
    solution, supporting Acer SignalUp™ wireless technology (for selected models)
    TWPAN: Bluetooth® 2.0+EDR (Enhanced Data Rate)
    TLAN: Gigabit Ethernet supporting ASF (Alert Standard Format) 2.0; Wake-on-LAN ready
    TModem: 56K V.92 modem with PTT approval; Wake-on-Ring ready
    I/O Ports
    TExpress Card slot
    T5-in-1 card reader (SD/MMC/MS/MS PRO/xD)
    TFour USB 2.0 ports
    TIEEE 1394 port 
    						
    							Chapter 13
    TConsumer infrared (CIR) port
    TExternal display (VGA) port
    TS-video/TV-out (NTSC/PAL) port
    THeadphones/speaker/line-out 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
    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
    NESTOS SYSTEM BLOCK DIAGRAM
    AzaliaPCI Bus interface
    PATA ODD
    FSB
    MDC
    Y3
    32.768K
    Speaker
    PATA
    Y5
    14.318MHZ
    Y4
    32.768KHZ
    PCI-e X1 X4 DMI
    interfaceUSB Port x 2
    SATA0
    KBC PC8769L
    LPC
    SPDIF
    Merom CPU
    Line in
    USB 2.0
    Clock Generator
    SLG8SP512T
    Thermal Sensor
    ICH8M
    Realtek
    Audio Codec
    ALC268
    BIOS
    MIC InCrestline
    New Card
    GIGA LAN BroadCom
    USB4Bluetooth
    SATA HDD
    Transformer RJ45Internal
    MIC
    USB3,5
    Intel NB
    Intel SB
    667/800 Mhz
    CPU
    CIR
    K/B Touch PadWinbond
    AMP479 Pin uFCPGA
    965GM/965PM
    1299 Pin FBGA
    NB82801HBM
    676 Pin BGAMiniCard533/667 Mhz Dual Channel DDR2
    DDRII
    SODIMM0
    SODIMM1
    PCIE2 PCIE1
    BCM5787M
    68 Pin QFN
    PCIE3 U26
    U21
    14.1 WXGALVDSTFT LCD PanelTV-OUT
    VGA
    TV-OUTPCI-Express X16 Lan
    CRTMXM
    Type II
    U5
    U22CN19 - H5.2
    CN18 - H9.2 CN20   STD H9.9
    U6
    U17
    RTCCN23
    Card reader Ricoh
    R5C832/R5C833 1394 +Cardreader
    Controller
    IEEE 1394128 Pin TQFP
    MMC SD
    MS MS DUO
    CN8 CN14 U24POWER IC
    Y1
    25MHzCN21,23 CN6
    USB Port x 2CN12 USB0,1
    CCDUSB2
    U28 CN26 CN27
    U2
    U20 CN16
    FANCN15 CN4CN13
    CN28,29,30
    G1411U19 CN1
    CN7
    Audio
    connCN9
    AMPU18G1412CN5
    CN31
    CN3 U14
    RJ11CN17 
    						
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