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Acer 4745 manual LCD Failure, Built-In Keyboard Failure

Models: 4745

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LCD Failure

If the LCD fails, perform the following actions one at a time to correct the problem. Do not replace a non- defective FRUs:

Built-In Keyboard Failure

If the built-in Keyboard fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs:

Chapter 4

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Acer 4745 manual LCD Failure, Built-In Keyboard Failure

Contents

Acer Aspire Service Guide Revision History III CopyrightConventions Preface Page Table of Contents Viii Troubleshooting 107Microsoft Windows 7 Environment Test Acer Aspire 4745 SeriesTable of Contents Chapter FeaturesAudio Mini CardStorage Optical DrivePower subsystem Dimensions and weightCommunication Privacy controlInterface Special keys and controlsSoftware Optional Items WarrantyEnvironment Intel System Block DiagramFront View Your Acer Notebook tourIcon Description HDD Left View Closed Front ViewHdmi Right View Bottom View IndicatorsIcon Function Description Function Left Button Right Button Main TouchPad TouchPad BasicsLock Keys and embedded numeric keypad Using the KeyboardLock key Description Key Description Windows KeysHotkey Icon Function Description Hot KeysSpecification Hardware Specifications and ConfigurationsCore Bus Cache Package Acer P/N Speed Size4GB System Memory SpecificationMemory Combinations Slot Total Memory 0MBLAN Module Specification Wireless Module SpecificationBluetooth Specification Super-Multi Drive Module Hard Disk Drive Interface SpecificationAudio Interface Specification Battery Specification Cell Power and Keyboard Controller SpecificationCard Reader Specification SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009ANavigating the Bios Utility Bios Setup UtilityInformation Aspire 4745 BiosParameter Description UuidParameter Description Format/Option MainSecurity Disabled orParameter Description Option Clear or SetRemoving a Password Setting a PasswordContinue Changing a PasswordUSB Cdrom BootCmos ExitBios Flash Utilities USB HDD DOS Flash UtilityPage WinFlash Utility Remove HDD Password Remove HDD/BIOS Password UtilitiesCleaning Bios Passwords Removing Bios PasswordsUsing Boot Sequence Selector Input Using DMIToolsOutput Input dmitools /wuUsing the LAN MAC Eeprom Utility Chapter Disassembly Requirements Machine Disassembly and ReplacementDisassembly Process Pre-disassembly InstructionsGeneral Information Main Screw List Quantity Part NumberExternal Modules Disassembly Flowchart External Module Disassembly ProcessScrew List Step Quantity Removing the Battery Pack Removing the SD dummy card Removing the Lower Cover Step Size Quantity Screw Type ODD Module M2.5*4L Removing the Optical Drive ModuleStep Size Quantity Screw Type ODD Bracket M2.0*3L Removing the Dimm Modules Step Size Quantity Screw Type Wlan Board M2.0*3 Removing the Wlan ModuleStep Size Quantity Screw Type HDD Carrier M3.0*4L Removing the Hard Disk Drive ModuleMain Unit Disassembly Flowchart Main Unit Disassembly ProcessStep Size Quantity Screw Type Removing the KeyboardChapter Removing the Upper Cover Chapter Remove the eight 8 screws from the top cover Removing the Power Switch Board Step Size Quantity Screw Type Function Board M2.0*3widehead Removing the Function BoardStep Size Quantity Screw Type Speaker Module M2.5*4L Removing the Left Speaker ModuleStep Size Quantity Screw Type USB Board M2.5*4L Removing the USB BoardLift the USB Board upward away from the chassis Step Size Quantity Screw Type Bluetooth Board M2.3*3L Removing the Bluetooth ModuleRemoving the LCD Module Step Size Quantity Screw Type LCD Module M2.5*6.5 Removing the MainboardChapter Step Size Quantity Screw Type Mainboard M2.5*4L Removing the Thermal Module Removing the CPU Removing the WiFi Antenna Cable Removing the RTC BatteryStep Size Quantity Screw Type Right Speaker 3widehead Module Removing the Right SpeakerStep Size Quantity Screw Type DC-In Cable M2.5*4 Removing the DC-In CableLCD Module Disassembly Flowchart LCD Module Disassembly ProcessStep Size Quantity Screw Type LCD Bezel M2.5*4 Removing the LCD BezelRemoving the Camera Module Step Size Quantity Screw Type LCD Panel M2.3*3 Removing the LCD PanelRemoving the FPC Cable Removing the Hinges Removing the Microphone ModuleStep Size Quantity Screw Type LCD Hinges M2.5*3 Removing the Antennas Chapter Replacing the MIC and WiFi Antennas LCD Module Reassembly ProcedureReplacing the Microphone Module Replacing the LCD Panel Replacing the FPC CableReplacing the Webcam Replacing the LCD Bezel Replace the two screws and screw caps as shown Replacing the DC-In Cable Main Module Reassembly ProcedureReplacing the Right Speaker Replacing the LCD ModuleReplacing the RTC Battery Replacing the Thermal Module Replacing the CPUReplacing the Mainboard Chapter Connect the right speaker cable Chapter Replacing the Bluetooth Module Replacing the TouchPad Bracket Replacing the USB BoardReplacing the Left Speaker Module Replacing the Function Board Replacing the Power Switch BoardReplacing the Upper Cover Page 100 Chapter Replacing the Hard Disk Drive Module Replacing the Keyboard102 Chapter Replacing the Dimm Modules Replacing the Wlan BoardInsert the Wlan board into the Wlan socket Replacing the ODD Module Replacing the Lower Covers Replacing the Dummy Cards Replacing the Battery PackSymptoms Verified Go To Common ProblemsComputer Shutsdown Intermittently Power On IssueNo Post or Video No Display IssueAbnormal Video Display Random Loss of Bios SettingsBuilt-In Keyboard Failure LCD FailureInternal Speaker Failure TouchPad FailureMicrophone Problems Sound ProblemsSelect Set up microphone Select Repair your computer HDD Not Operating CorrectlySelect Startup Repair ODD Not Operating Correctly ODD FailureDiscs Do Not Play Drive Not Detected Thermal Unit Failure Wireless Function FailureOther Failures External Mouse FailureUndetermined Problems Intermittent ProblemsDimm Post Codes Post Code Range PhasePeiswitchstack PEI Peimemoryinstall PEIPeienterrecoverymode PEI Peirecoverymediafound PEIBdsbeforepciioinstall BDS Bdsinstallhotkey BDSBdsenumerateallbootoption BDS Dxesmmcontrolerinit DXEBdsentersetup BDS Bdsendofbootselection BDSBdsenterbootmanager BDS Bdsbootdeviceselect BDSSmmacpienableend SMM Smmacpienablestart SMMSmmacpidisablestart SMM Smmacpidisableend SMM126 Chapter Description Desciption Top ViewLAN Mini Card Wlan PJ2 Power JackRTC FAN ConnClearing Password Check Clearing Password Check and Bios RecoverySteps for Clearing Bios Password Check Description Location G1 / G2 Clear Cmos Jumpers WiFi BayBios Recovery Boot Block Bios Recovery by Crisis DiskBios Recovery Hotkey Steps for Bios Recovery from USB StorageFRU Field Replaceable Unit List LCD Assembly Acer Aspire 4745 Exploded DiagramsDescription Acer P/N Chassis Assembly ZQ1 ZR6FBZR6004,REV MBSG,PARK,SAM,BT WO Cpuassy HDD-BKTWwan Minicard BEVT-22A23T0 STN BSQCategory Partname Description Acer Part Number Acer Aspire 4745 FRU ListZY9 Bluetooth Speaker L Lower Case Assy W/FFC *2, DC ZQ1 Base SUB JV/65W ODD Bracket ZQ1 ODD BKT MK2565GSX-EUL S.P Sata 8MB LF F/WGJ001J Keyboard ZQ1 K/BUI S.P Mainboard Mainboard UMA HM55 W/CARD ZQ1 MBUMA,BT,WO Heatsink Thermal Module for 35W UMA ZQ1 Thermal Module Category Partname Description Acer Part Numeber Screw ListChapter 145 Acer Aspire 4745 Series Appendix aCountry Acer Description AS4745G-624G64Bn EM W7HP64EMATTH1 MC S2.PSL0 LX.PSM Emea LX.PSM China LX.PSM AAPGctwn LX.PSM TWN LX.PSR Emea S2.PSMLX.PSR AAP VGA Chip Model Country Acer Part NoAS4745G Thailand LX.PSL02.018 Ci5520M AS4745G S2.PSL02.003 Ci5430M LX.PSM0C.01 ParkxtLX.PSM0C.00 UMA AS4745 Malaysia LX.PSR0C.011 Ci3330M Model Country Acer Part No Memory SO4GBIII10 SO2GBIII SO4GBIII10LX.PSL0C.00 SO2GBIII10 LX.PSM0C.01 SO2GBIII10 SO1GBIII10LX.PSM0C.00 SO2GBIII10 LX.PSM0C.00 SO2GBIII10 SO1GBIIILX.PSM0C.00 SO1GBIII10 LX.PSR0C.01 SO1GBIII10 SO2GBIII10 SO1GBIIILX.PSR0C.01 SO2GBIII10 LX.PSR0C.01 SO2GBIII10 SO1GBIIIAS4745 Thailand 163 Appendix a 164 Appendix B Test Compatible ComponentsVendor Description Microsoft Windows 7 Environment TestSamsung PanasoniSanyo SimploSony BluetoothPMDP600 Intel IntelHDD Seagate 4KSBRToshiba MK3265GSX Sata 8MB LF F/WGJ002J NLED14 AUO AC4TA1 AcerWxgags NLED14 CMOSO2GBIII Elpida SO1GBIII ElpidaSO1GBIII Hynix SO2GBIII HynixKN.2GBBB.02 KN.1GBBB.03SO1GBIII Smart KN.1GBBS.00NSM8XS Panasoni NBDRW4 PanasoniNBDCB4 Plds NSM8XS PldsWiFi Antenna Lan Intel Wlan 633AN.HMWG Appendix C Online Support Information168 Index 170