Aspire Digital 7520G, 7220G manual General Information, Before You Begin

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General Information

Before You Begin

Before proceeding with the disassembly procedure, make sure that you do the following:

1.Turn off the power to the system and all peripherals.

2.Unplug the AC adapter and all power and signal cables from the system.

3.Remove the battery pack.

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Chapter 3

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Contents Service Guide Aspire 7520/7520G/7220/7220GDate Chapter Updates Revision HistoryCopyright DisclaimerConventions Screen MessagesPreface Page System Specifications FeaturesChapter Storage subsystem Environment System Block Diagram Board Layout Top ViewBottom View PJP1PJP2 Your Acer Notebook Tour Front ViewIcon Description Closed Front View Left View DVIRight View Rear viewIndicators Base viewEasy-Launch Buttons Icon Function DescriptionHDD Launch Button Default application Touchpad BasicsUsing the Keyboard Desired Access Num Lock On Num Lock OffLock Keys and embedded numeric keypad Lock Key DescriptionWindows Keys Hot KeysKey Icon Description Hot Key Icon Function DescriptionEuro symbol Special KeyUS dollar sign Acer Empowering Technology Empowering Technology passwordAcer eNet Management Page Acer ePower Management AC Mode Adapter modeBattery status Acer ePresentation ManagementAcer eDataSecurity Management Chapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Launching the Acer OrbiCam Using the System Utilities Acer GridVista dual-display compatibleLaunch Manager Hardware Specifications and Configurations ProcessorCPU Fan True Value Table Second Level CacheSystem Memory Memory Combinations2GB 0MBBluetooth Interface Wireless Module 802.11a/b/g/nLAN Interface Modem InterfaceDVD-Dual Interface RPMATA/ATAPI-6 ATA-6 ATA/ATA-6 ATA-6 Audio Interface USB PortPcmcia Port System Board Major ChipsBattery KeyboardLCD 17 inch System Power Management LCD InverterAC Adapter System Power Management Chapter System Utilities Bios Setup Utility 00 GHzNavigating the Bios Utility Information Parameter DescriptionMain RevParameter Description Format/Option Security RevSetting a Password Clear or SetParameter Description Option Removing a Password Changing a PasswordPage Advanced Acpi S1Acpi S3 Boot Information Main Security Advanced Boot ExitBios Flash Utility Chapter Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart HDDScrew List Description Part NumberScrew M2*3NL Screw M2*4Removing the Battery Pack Removing the HDD Module Removing the MemoryRemoving 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 ToSystem Check Procedures External Diskette Drive CheckExternal CD-ROM Drive Check Keyboard or Auxiliary Input Device CheckPower System Check Memory checkCheck the Power Adapter Check the Battery Pack Touchpad CheckPower-On Self-Test Post Error Message Index of Error Messages Error Code ListError Message List Error Codes Error MessagesCmos Dimm CPU IDNo beep Error Messages FRU/Action in Sequence LCDCRT Phoenix Bios Beep Codes Code Beeps Post Routine DescriptionChapter Code Beeps Post Routine Description Code Beeps Index of Symptom-to-FRU Error Message LCD-Related SymptomsIndicator-Related Symptoms Power-Related SymptomsPCMCIA-Related Symptoms Memory-Related SymptomsSpeaker-Related Symptoms Power Management-Related SymptomsPeripheral-Related Symptoms Keyboard/Touchpad-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems DimmJumper and Connector Locations Bottom View FRU Field Replaceable Unit List Aspire Poyang Exploded Diagram Category Part Name and Description Acer Part NoButton Board W/CABLE Audio BoardLED Board W/CABLE USB Board for TVPAL to Ntsc Connector Power Cord US 3 PINPower Cord EU 3 PIN Power Cord AUS 3 PINThermal Door 17 DIS CPU/PROCESSOR Intel CPU Merom Dual CoreE1 Ufcpga Intel CPU Merom Dual Core E1 UFCPGA478P Intel CPU Merom Dual CoreDVD Super Multi Drive Philips DS-8A1P 0FA DVD Super Multi Drive Hlds GSADVD Super Multi Drive Sony AD ODD BEZEL-SUPER MultiHDD Door HDD BracketKeyboard Keyboard 17KB-FV2 105KS White US International Keyboard 17KB-FV2 105KS WhiteLCD Wireset SWISS/G Keyboard 17KB-FV2 105KS WhiteThailand Keyboard 17KB-FV2 106KS White Turkish Keyboard 17KB-FV2 106KS WhiteLCD Cover Assy 17 Logo W/MIC W Memory 512MB DdriiSamsung M470T6554EZ3-CE6 Memory 512MB Ddrii 667 Hynix Memory 1GB Ddrii 667 NanyaAccessory Remote Controller EU Remote Controller TSRemote Controller SC Remote Controller EN