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Acer 8940 manual Lift the board clear of the Upper Cover

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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8.Lift the board clear of the Upper Cover.

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Chapter 3

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Acer 8940 manual Lift the board clear of the Upper Cover

Page 101 Page 103

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Contents

Aspire 8940 Series Service Guide Revision History Copyright III Conventions Preface Page Table of Contents Table of Contents FRU Field Replaceable Unit List 211 Model Definition and Configuration 224 Features Chapter Communication Energy Star Environment System Block Diagram Intel Your Acer Notebook tour Front ViewIcon Description HDD Press any key to return Closed Front View Rear View Left View DisplayHdmi Right View Bottom View TouchPad Basics Function Left Button Right Button Main TouchPad Using the Keyboard Key TypesIcon Key Type Description Windows Keys Key Description System Hotkeys Hotkey Icon Function Remarks Using the System Utilities Acer GridVista dual-display compatible Processor Specifications Hardware Specifications and ConfigurationsProcessor Specification Northbridge Specification Resolution Color Depth Refresh Rate VGA Subsystem SpecificationStandard Supported VGA Resolution Nvidia 2GB System Memory Specification4GB Ddriii Memory Combinations Slot Total Memory VGA controller SpecificationLAN Interface Specification 0MB Modem Specification Wireless Module 802.11b/g SpecificationBluetooth Specification USB Hard Disk Drive Interface Specification 8MB Hard Disk Drive Interface Specifications Vendor Vendor Toshiba MK1655GSX Reading Super-Multi Drive Module SpecificationWriting Write Blue-Ray Combo Drive Module Specification CD-ROM CD-RW Audio Interface Specification Front Speaker Specification Audio Amplifier SpecificationSubwoofer Speaker Specification Center Speaker Specification Battery Specification Cell Digital Camera SpecificationPower and Keyboard Controller Specification Sony AS-2007B/SIMPLO AS Card Reader Specification Express Card Specification Bios Setup Utility Navigating the Bios Utility Information Parameter DescriptionUuid Main Parameter Description Format/Option Parameter Description Option Disabled orSecurity Clear or Set Setting a Password Changing a Password USB HDD BootIDE CD HL-DT-ST Dvdram GT20N-S2 USB KEY Information Main Security Boot Exit Exit Saving Changes Exit Bios Flash Utilities DOS Flash Utility Page WinFlash Utility Remove HDD/BIOS Password Utilities Remove HDD Password Removing Bios Passwords Using Boot Sequence Selector Input Output Using the LAN MAC Eeprom Utility Chapter Machine Disassembly and Replacement Disassembly Requirements General Information Pre-disassembly InstructionsDisassembly Process 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 Removing the Optical Drive Module Step Size Quantity Screw Type ODD Module M2.5*4 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 Removing the TV Tuner Module Step Size Quantity Screw Type TV Tuner M2*3 Remove the TV Tuner as shown Removing the Wlan Module Step Size Quantity Screw Type Wlan Module M2*3 Detach the Wlan Module from the Wlan socket Main Unit Disassembly Process Upper Cover Disassembly Flowchart Lower Cover Disassembly Flowchart Removing the Keyboard Chapter Removing the Switch Cover Step Size Quantity Screw Type Chapter Removing the Power Board Step Size Quantity Screw Type Power Board M2.5*4 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 Removing the Bluetooth Board Step Size Quantity Screw Type Bluetooth Board M2*3 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 Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*4 100 Chapter Removing the Kensington Lock Bracket Removing the TV Tuner Antenna Removing the Subwoofer Step Size Quantity Screw Type Subwoofer M2*3 104 Chapter Removing the Hinge Supports Step Size Quantity Screw Type Hinge Supports M2.5*4 Removing the Speaker Module Step Size Quantity Screw Type Speaker Module M2*3 Removing the Thermal Module Removing the Graphics Card Heatsink Removing the Graphics Card Step Size Quantity Screw Type Graphics Card M2.5*6.5 Removing the CPU LCD Module Disassembly Process Standard Bezel LCD Module Disassembly Flowchart Removing the Standard LCD Bezel Page 114 Chapter Removing the LCD Panel 116 Chapter Removing the Camera Board Removing the LCD Brackets and FPC Cable Step Size Quantity Screw Type LCD Brackets M2*3Page Flush Bezel LCD Module Disassembly Flowchart Removing the Flush LCD Bezel Cap Step Size Quantity Screw Type LCD Bezel Cap M2.5*4 122 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 LCD Module Reassembly Procedure Standard Bezel LCD Module Reassembly-LCD PanelPage 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 Main Module Reassembly Procedure Replacing the CPU Replacing the Graphics Card Replacing the Graphics Card Heatsink Replacing the Thermal Module Replacing the Speaker Module Step Size Quantity Screw Type Speaker Module Replacing the Hinge Supports Replacing the Subwoofer Step Size Quantity Screw Type 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 ODD Module Replacing the Lower Covers Tighten the seven captive screws in the Lower Door Replacing the Battery Replacing the SD Dummy Card 190 Chapter Common Problems Symptoms Verified Go To Power On Issue Computer Shuts down Intermittently No Display Issue Start Random Loss of Bios Settings Abnormal Video Display LCD Failure Built-In Keyboard Failure TouchPad Failure Internal Speaker Failure Okok Microphone Problems Internal Microphone Failure Select Repair your computer Select Set up microphoneHDD Not Operating Correctly Select Startup Repair Intermittent Problems USB Right Up/Down Side FailureOther Failures Undetermined Problems Dimm 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 PU6 PU5CRT MXM-3 Clearing Password Check and Bios Recovery Clearing Password Check Bios Recovery by Crisis Disk Bios Recovery Boot Block FRU Field Replaceable Unit List Aspire 8940 Exploded Diagrams Main ChassisDescription Acer P/N LCD Assembly Category Description Acer PN Adapter BatteryAspire 8940 FRU List Board Category Description Acer PN Case/Cover/Bracket Assembly CPU/ProcessorSuper Multidrive Combo Drive HDD Bracket Assy Sata LF F/WFG001JSata LF F/W FG011J 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 Bezel Assy for CCD LCD Cable for CCDLCD Cover Assy W/ANTENNA *2 LCD Bracket W/HINGE R Memory Remote ControlCategory Description Acer PN Mainboard Thermal Module Screw M2.0*6-IANTI-LOOSE Screw ListCategory Description Acer PN Screw Screw M2.5*2-I NI,NYLOK Chapter 223 Appendix a Aspire 8940 SeriesModel Country Acer Description S2.PJP0 LX.PH2 Italy W7HP64EMATDZ1 MC W7HP64EMATME2 MCW7HP64EMATTR1 MC W7HP64EMATZA1 MC W7HP64EMATME9 MC W7HP64EMATME6 MCEmea LX.PH2 Spain LX.PH4 USA LX.PH5LX.PH3 Gctwn Model VGA Chip NLED18.4W N10PGS 1G-DDR3 SO2GBIII10 233 NBDCB4XS Media Bluetooth ProcessorSO1GBIII10 NSM8XS AS8940G-724G50Wn Model Extra Card Reader Wireless Bluetooth LAN1 237 LAN1 Test Compatible Components Appendix B ADP-120ZB BBGB, LV5+OBL LED LF Microsoft Windows 7 Environment TestDelta 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 Software TV Antenna WiFi Antenna Wlan Appendix B 263 264 Online Support Information Appendix C 266 Index ODD 269 270

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