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Acer 8940 manual Lift the board clear of the Upper Cover Chapter

Models: 8940

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Specification System Block Diagram Bluetooth Password Common Problems Bios Setup Utility Bios Flash Utilities Disassembly Requirements Removing the Battery Pack Setting a Password

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5.Lift the board clear of the Upper Cover.

Chapter 3

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Acer 8940 manual Lift the board clear of the Upper Cover Chapter

Page 92 Page 94

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Contents

Aspire 8940 Series Service Guide Revision History III Copyright Conventions Preface Page Table of Contents Table of Contents FRU Field Replaceable Unit List 211 Model Definition and Configuration 224 Chapter Features Energy Star Communication Environment Intel System Block Diagram Your Acer Notebook tour Front ViewIcon Description Press any key to return HDD Rear View Closed Front View Left View DisplayHdmi Right View Bottom View Function Left Button Right Button Main TouchPad TouchPad Basics Using the Keyboard Key TypesIcon Key Type Description Key Description Windows Keys Hotkey Icon Function Remarks System Hotkeys Acer GridVista dual-display compatible Using the System Utilities Processor Specification Hardware Specifications and ConfigurationsProcessor Specifications Northbridge Specification Standard Supported VGA Resolution VGA Subsystem SpecificationResolution Color Depth Refresh Rate Nvidia 4GB System Memory Specification2GB Ddriii LAN Interface Specification VGA controller SpecificationMemory Combinations Slot Total Memory 0MB Bluetooth Specification Wireless Module 802.11b/g SpecificationModem Specification USB 8MB Hard Disk Drive Interface Specification Hard Disk Drive Interface Specifications Vendor Vendor Toshiba MK1655GSX Writing Super-Multi Drive Module SpecificationReading Write CD-ROM CD-RW Blue-Ray Combo Drive Module Specification Audio Interface Specification Subwoofer Speaker Specification Audio Amplifier SpecificationFront Speaker Specification Center Speaker Specification Power and Keyboard Controller Specification Digital Camera SpecificationBattery Specification Cell Sony AS-2007B/SIMPLO AS Express Card Specification Card Reader Specification Navigating the Bios Utility Bios Setup Utility Information Parameter DescriptionUuid Parameter Description Format/Option Main Security Disabled orParameter Description Option Clear or Set Setting a Password Changing a Password IDE CD HL-DT-ST Dvdram GT20N-S2 BootUSB HDD USB KEY Exit Information Main Security Boot Exit Exit Saving Changes Bios Flash Utilities DOS Flash Utility Page WinFlash Utility Remove HDD Password Remove HDD/BIOS Password Utilities Removing Bios Passwords Using Boot Sequence Selector Output Input Using the LAN MAC Eeprom Utility Chapter Disassembly Requirements Machine Disassembly and Replacement Disassembly Process Pre-disassembly InstructionsGeneral Information Main Screw List Quantity Part Number External Module Disassembly Process External Modules Disassembly FlowchartScrew List Step Quantity Removing the Battery Pack Removing the Express Dummy Card Removing the SD Dummy Card Removing the Lower Door Step Size Quantity Screw Type ODD Module M2.5*4 Removing the Optical Drive Module Step Size Quantity Screw Type ODD Bracket M2*3 Removing the Primary Hard Disk Drive Module Step Size Quantity Screw Type HDD1 Carrier M3*3 Removing the Secondary Hard Disk Drive Module Step Size Quantity Screw Type HDD2 Carrier M3*3 Removing the Dimm Modules Step Size Quantity Screw Type TV Tuner M2*3 Removing the TV Tuner Module Remove the TV Tuner as shown Step Size Quantity Screw Type Wlan Module M2*3 Removing the Wlan Module Detach the Wlan Module from the Wlan socket Upper Cover Disassembly Flowchart Main Unit Disassembly Process Lower Cover Disassembly Flowchart Removing the Keyboard Chapter Step Size Quantity Screw Type Removing the Switch Cover Chapter Step Size Quantity Screw Type Power Board M2.5*4 Removing the Power Board Removing the LCD Module Page Step Size Quantity Screw Type LCD Module M2.5*6.5 Removing the Upper Cover Chapter Step Size Quantity Screw Type Upper Cover M2.5*4 Red callout Step Size Quantity Screw Type Upper Cover M2*3 Green callout Removing the Launch Board Removing the Volume Control Board Lift the board clear of the Upper Cover Chapter Removing the Power Saving Board FFC Removing the Media Board Lift the Media Board clear of the Upper Cover Removing the TouchPad Lock Board Step Size Quantity Screw Type Removing the Finger Print Reader Bracket Removing the TouchPad Board Finger Print M2*3 Reader Chapter Lift the board clear of the Upper Cover Removing the RTC Battery Step Size Quantity Screw Type Bluetooth Board M2*3 Removing the Bluetooth Board Remove the Bluetooth Board from the Lower Cover Chapter Removing the USB Board Step Size Quantity Screw Type USB Board M2.5*4 Removing the Power Saving Board Step Size Quantity Screw Type Mainboard M2.5*4 Removing the Mainboard 100 Chapter Removing the Kensington Lock Bracket Removing the TV Tuner Antenna Step Size Quantity Screw Type Subwoofer M2*3 Removing the Subwoofer 104 Chapter Step Size Quantity Screw Type Hinge Supports M2.5*4 Removing the Hinge Supports Step Size Quantity Screw Type Speaker Module M2*3 Removing the Speaker Module Removing the Thermal Module Removing the Graphics Card Heatsink Step Size Quantity Screw Type Graphics Card M2.5*6.5 Removing the Graphics Card Removing the CPU Standard Bezel LCD Module Disassembly Flowchart LCD Module Disassembly Process Removing the Standard LCD Bezel Page 114 Chapter Removing the LCD Panel 116 Chapter Removing the Camera Board Step Size Quantity Screw Type LCD Brackets M2*3 Removing the LCD Brackets and FPC CablePage Flush Bezel LCD Module Disassembly Flowchart Step Size Quantity Screw Type LCD Bezel Cap M2.5*4 Removing the Flush LCD Bezel Cap 122 Chapter Removing the Flush LCD Bezel 124 Chapter LCD Panel M2.5*4 Red callout M2*3 Green callout Chapter 125 126 Chapter Removing the Camera Board 128 Chapter Page Standard Bezel LCD Module Reassembly-LCD Panel LCD Module Reassembly ProcedurePage 132 Chapter Chapter 133 Replacing the LCD Bezel Page Flush Bezel LCD Module Reassembly-LCD Panel Page 138 Chapter Chapter 139 140 Chapter Page Replacing the Flush LCD Bezel Cap Page Replacing the CPU Main Module Reassembly Procedure Replacing the Graphics Card Replacing the Graphics Card Heatsink Replacing the Thermal Module Step Size Quantity Screw Type Speaker Module Replacing the Speaker Module Replacing the Hinge Supports Step Size Quantity Screw Type Subwoofer Replacing the SubwooferPage 152 Chapter Replacing the Mainboard 154 Chapter Replacing the Power Saving Board Replacing the USB Board Step Size Quantity Screw Type USB Board M2.5*4 Replacing the Bluetooth Board Connect the Bluetooth cable to the Mainboard Chapter 159 Replacing the RTC Battery Replacing the TouchPad Board 162 Chapter Page Replacing the Finger Print Reader Bracket Replacing the TouchPad Lock Board 166 Chapter Replacing the Media Board Replacing the Power Saving Board FFC Replacing the Volume Control Board 170 Chapter Replacing the Launch Board Replacing the Upper Case Page 174 Chapter Replacing the LCD Module 176 Chapter Page 178 Chapter Replacing the Power Board 180 Chapter Step Size Quantity Screw Type Replacing the Keyboard Page External Module Reassembly Instructions Replacing the Wlan ModuleInsert the Wlan board into the Wlan socket Replacing the TV Tuner Module Replacing the Dimm Modules Replacing the Hard Disk Drive ModulePlace the HDD in the HDD carrier Replacing the Lower Covers Replacing the ODD Module Tighten the seven captive screws in the Lower Door Replacing the SD Dummy Card Replacing the Battery 190 Chapter Symptoms Verified Go To Common Problems Computer Shuts down Intermittently Power On Issue Start No Display Issue Abnormal Video Display Random Loss of Bios Settings LCD Failure Built-In Keyboard Failure TouchPad Failure Okok Internal Speaker Failure Internal Microphone Failure Microphone Problems HDD Not Operating Correctly Select Set up microphoneSelect Repair your computer Select Startup Repair Intermittent Problems USB Right Up/Down Side FailureOther Failures Dimm Undetermined Problems Post Codes Chipset Post CodesCode Beeps Post Routine Description 204 Chapter Code Beeps Post Routine Description Code Beeps For Boot Block in Flash ROM Top View CRT PU5PU6 MXM-3 Clearing Password Check Clearing Password Check and Bios Recovery Bios Recovery Boot Block Bios Recovery by Crisis Disk FRU Field Replaceable Unit List Aspire 8940 Exploded Diagrams Main ChassisDescription Acer P/N LCD Assembly Aspire 8940 FRU List BatteryCategory Description Acer PN Adapter Board Category Description Acer PN Case/Cover/Bracket Assembly CPU/ProcessorSuper Multidrive Combo Drive Sata LF F/W FG011J Sata LF F/WFG001JHDD Bracket Assy Keyboard LED LCD Flush Module 18.4 Wuxgag W/CCD Antenna *2 LED LCD Flush Module 18.4 Wuxgag W/CCDAntenna *3 LED LCD Module 18.4 Wuxgag W/CCD Antenna *2 LCD Cover Assy W/ANTENNA *2 LCD Cable for CCDLCD Bezel Assy for CCD LCD Bracket W/HINGE R Category Description Acer PN Mainboard Remote ControlMemory Thermal Module Category Description Acer PN Screw Screw ListScrew M2.0*6-IANTI-LOOSE Screw M2.5*2-I NI,NYLOK Chapter 223 Appendix a Aspire 8940 SeriesModel Country Acer Description LX.PH2 S2.PJP0 Italy W7HP64EMATTR1 MC W7HP64EMATME2 MCW7HP64EMATDZ1 MC W7HP64EMATZA1 MC W7HP64EMATME9 MC W7HP64EMATME6 MCEmea LX.PH2 Spain LX.PH3 USA LX.PH5LX.PH4 Gctwn VGA Chip Model NLED18.4W N10PGS 1G-DDR3 SO2GBIII10 233 SO1GBIII10 Media Bluetooth ProcessorNBDCB4XS NSM8XS AS8940G-724G50Wn LAN1 Model Extra Card Reader Wireless Bluetooth 237 LAN1 Appendix B Test Compatible Components Delta Microsoft Windows 7 Environment TestADP-120ZB BBGB, LV5+OBL LED LF LITE-ON Camera Finger Print Reader HDD1 Panther B Sata LF F/WC60F Disk imbalance criteria = 014g-cm Appendix B 245 Wyatt Sata LF F/W0001SDM1 246 HDD2 248 Appendix B 249 GBTCFbkQV3 LAN Elpida SO2GBIII10 Appendix B 253 254 Northbridge Chipset Plds NSM8XS Appendix B 257 258 GBCFPbkQV3 Appendix B 259 Southbridge Chipset TV Antenna Software Wlan WiFi Antenna Appendix B 263 264 Appendix C Online Support Information 266 Index ODD 269 270

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