Chapter | Aspire Digital 7520G, 7220G specification

20.Remove the three screws fastening the subwoofer to the lower case.

21.Remove the subwoofer from the lower case as shown.

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Chapter 3

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Aspire Digital 7520G, 7220G manual Chapter

Contents

Service Guide Aspire 7520/7520G/7220/7220G Date Chapter Updates Revision History Copyright Disclaimer Conventions Screen Messages Preface Page System Specifications FeaturesChapter Storage subsystem Environment System Block Diagram Board Layout Top View Bottom View PJP1PJP2 Your Acer Notebook Tour Front ViewIcon Description Closed Front View Left View DVI Right View Rear view Indicators Base view Easy-Launch Buttons Icon Function DescriptionHDD Launch Button Default application Touchpad Basics Using the Keyboard Desired Access Num Lock On Num Lock OffLock Keys and embedded numeric keypad Lock Key Description Windows Keys Hot KeysKey Icon Description Hot Key Icon Function Description Euro symbol Special Key US dollar sign Acer Empowering Technology Empowering Technology passwordAcer eNet Management Page Acer ePower Management AC Mode Adapter mode Battery status Acer ePresentation Management Acer eDataSecurity Management Chapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Launching the Acer OrbiCam Using the System Utilities Acer GridVista dual-display compatible Launch Manager Hardware Specifications and Configurations ProcessorCPU Fan True Value Table Second Level Cache System Memory Memory Combinations2GB 0MB Bluetooth Interface Wireless Module 802.11a/b/g/nLAN Interface Modem Interface DVD-Dual Interface RPMATA/ATAPI-6 ATA-6 ATA/ATA-6 ATA-6 Audio Interface USB PortPcmcia Port System Board Major Chips Battery KeyboardLCD 17 inch System Power Management LCD InverterAC Adapter System Power Management Chapter System Utilities Bios Setup Utility 00 GHz Navigating the Bios Utility Information Parameter Description Main Rev Parameter Description Format/Option Security Rev Setting a Password Clear or SetParameter Description Option Removing a Password Changing a PasswordPage Advanced Acpi S1Acpi S3 Boot Information Main Security Advanced Boot Exit Bios Flash Utility Chapter Machine Disassembly and Replacement General Information Before You Begin Disassembly Procedure Flowchart HDD Screw List Description Part NumberScrew M2*3NL Screw M2*4 Removing the Battery Pack Removing the HDD Module Removing the Memory Removing the Wireless LAN Card/Modem Card and TV Tuner Card Removing the System Fan/Thermal Modules/VGA Board and CPU Removing the Keyboard and LCD Module Detach the LCD module from the main unit Disassembling the Main Unit Disassembling the Lower Case Assembly Page Chapter Disassembling the Upper Case Assembly Disassembling the LCD Module Page Disassembling the External Modules Disassembling the HDD ModuleDisassembling the ODD Module Troubleshooting Symptoms Verified Go To System Check Procedures External Diskette Drive CheckExternal CD-ROM Drive Check Keyboard or Auxiliary Input Device Check Power System Check Memory check Check the Power Adapter Check the Battery Pack Touchpad Check Power-On Self-Test Post Error Message Index of Error Messages Error Code ListError Message List Error Codes Error Messages Cmos Dimm CPU ID No beep Error Messages FRU/Action in Sequence LCDCRT Phoenix Bios Beep Codes Code Beeps Post Routine Description Chapter Code Beeps Post Routine Description Code Beeps Index of Symptom-to-FRU Error Message LCD-Related SymptomsIndicator-Related Symptoms Power-Related Symptoms PCMCIA-Related Symptoms Memory-Related SymptomsSpeaker-Related Symptoms Power Management-Related Symptoms Peripheral-Related Symptoms Keyboard/Touchpad-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems Dimm Jumper and Connector Locations Bottom View FRU Field Replaceable Unit List Aspire Poyang Exploded Diagram Category Part Name and Description Acer Part No Button Board W/CABLE Audio BoardLED Board W/CABLE USB Board for TV PAL to Ntsc Connector Power Cord US 3 PINPower Cord EU 3 PIN Power Cord AUS 3 PIN Thermal Door 17 DIS CPU/PROCESSOR Intel CPU Merom Dual CoreE1 Ufcpga Intel CPU Merom Dual Core E1 UFCPGA478P Intel CPU Merom Dual Core DVD Super Multi Drive Philips DS-8A1P 0FA DVD Super Multi Drive Hlds GSADVD Super Multi Drive Sony AD ODD BEZEL-SUPER Multi HDD Door HDD BracketKeyboard Keyboard 17KB-FV2 105KS White US International Keyboard 17KB-FV2 105KS White LCD Wireset SWISS/G Keyboard 17KB-FV2 105KS WhiteThailand Keyboard 17KB-FV2 106KS White Turkish Keyboard 17KB-FV2 106KS White LCD Cover Assy 17 Logo W/MIC W Memory 512MB DdriiSamsung M470T6554EZ3-CE6 Memory 512MB Ddrii 667 Hynix Memory 1GB Ddrii 667 Nanya Accessory Remote Controller EU Remote Controller TSRemote Controller SC Remote Controller EN