Acer 4520G, 4220G manual Detach the LCD module from the main unit

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8.Detach the LCD module from the main unit.

62

Chapter 3

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Contents Aspire 4520/4220/4520G/4220G Series Service Guide Date Chapter Updates Revision HistoryCopyright Conventions Preface Page Chapter System SpecificationsFeatures Audio Storage subsystemInput devices CommunicationPage Environment System Block Diagram Mono System Block DiagramBoard Layout Top ViewBottom View Icon Description Your Acer Notebook tourFront View Closed Front View Left View Right View Rear viewIndicators Base viewHDD Easy-Launch ButtonsIcon Function Description Launch key Default application Touchpad BasicsChapter Using the Keyboard Desired Access Num Lock On Num Lock OffLock Keys and embedded numeric keypad Windows KeysHot Keys Key Icon DescriptionHot Key Icon Function Description Technology onUS dollar sign Euro symbolSpecial Key Acer eNet Management Acer Empowering TechnologyEmpowering Technology password Chapter Acer ePower Management AC Mode Adapter modeDC Mode Battery mode To create new power planBattery status Acer ePresentation ManagementAcer eDataSecurity Management Chapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Getting to know your Acer OrbiCamLaunching the Acer OrbiCam Changing the Acer OrbiCam resolutionUsing the Acer OrbiCam as webcam 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 Audio InterfaceUSB Port Pcmcia PortSystem Board Major Chips KeyboardBattery LCD 14.1 inchAC Adaptor System Power ManagementLCD Inverter Chapter System Utilities Bios Setup Utility 2000 MHzNavigating the Bios Utility Information Parameter DescriptionBoot Power Exit MainParameter Description Format/Option Set Supervisor Password SecurityParameter Description Option Setting a PasswordClear or Set Removing a Password Changing a PasswordPage Boot Power ExitHipm PowerDipm Parameter Description Format/Option Information Main Security Boot Power ExitBios Flash Utility 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 ODD Module Chapter Removing the Wireless LAN Card Removing the MemoryRemoving the Keyboard and LCD Module Detach the LCD module from the main unit Removing the Main Board Disassembling the Lower Case AssemblyDisassembling the Main Unit Disassembling the Upper Case Assembly Removing the Bluetooth ModuleRemoving the Audio Board Removing the SpeakersDisassembling the Main Board Removing the Touchpad CableRemoving the USB Board Removing the MDC Card ModuleRemoving the Thermal Module and System Fan Removing the CPUDisassembling the LCD Module Disassembling the ODD Module Disassembling the External ModulesDisassembling the HDD 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 IDCRT No beep Error Messages FRU/Action in SequenceLCD 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 SymptomsModem-Related Symptoms Peripheral-Related SymptomsKeyboard/Touchpad-Related Symptoms Intermittent Problems Undetermined Problems DimmJumper and Connector Locations Bottom View FRU Field Replaceable Unit List Aspire Mono Exploded Diagram Category Part Name and Description Acer Part NoPower CORDSWI1.8M 3PBLACK Power Cordit 1.8M 3PBLACKPower CORDS.A 1.8M 3BLACK Power Cord US 3PIN RohsUpper Case for FP W/TP, TP Cable Lower Case W/ SPEAKER, ModemCable Base ODD CAP Base Duck RubberDVD/CDRW Combo Module DVD/CDRW Combo Drive 24X SonyCRX880A LF W/O Bezel DVD/CDRW Combo Drive 24X Hlds GCC-T10N Pata LF W/O Bezel ODD BracketWD1200BEVS-22RST0 ML80 Sata LF Sata LF F/W3.ALDHTS541616J9SA00 SURUGA-B LF F WD1600BEVS-22RST0 ML80 Sata LFCategory Part Name and Description Acer Part No Antenna 3 Wire W/0.3M CCD LCD 12.1 IN. TFT Wxga NON-GLARE Wire W/0.3M CCD Bison LCD Cover Assy W/ANTENNAWire W/0.3M CCD Suyin LCD Bezel Assy W/LOGO W/CCD LCD LCD Module 12.1 Wxga WAntenna 2 Wire W/CCD LCD 12.1 IN. TFT Wxga NON-GLARE LCD Bracket W/HINGE LLCD Bracket W/HINGE R LCD Module 12.1 Wxga W/OAntenna 3 Wire W/ CCD LCD 12.1 IN. TFT Wxgag Glare AU Antenna 2 Wire W/CCD LCD 12.1 IN. TFT Wxgag Glare AULCD Module 12.1 Wxgag W LCD Module 12.1 Wxgag W/OMainboard Mainboard 965GM Sata UMA W Card Reader W/O CPU Memory 512MB Hynix Ddrii 667 512MBHYMP564S64CP6-Y5 LF 512MB Nanya Ddrii 667 512MB NT512T64UH8B0FN-3C LFScrew M2*5-IBZNNYLOK Screw M2.0*6-I-BNINYLOKScrew M2.0*1.5-INIANTI-LOOSE

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