Acer 7740G manual

Page 69

15.The cables are tape to the uppercase, carefully peel off the cables.

16.Release the latch and disconnect the touchpad cable from the connector.

Chapter 3

63

Image 69

Contents Aspire 7740 and 7740G Series Service Guide Revision History Copyright Problems Gives precautionary measures toProcedures Following conventions are used in this manualPreface Page Table of Contents FRU Field Replaceable Unit List 113 Below is a brief summary of the computer’s many features FeaturesChapter Aspect ratio 17.3 HD+ 1600 x1024*768 800*600 103-/104-/107-key keyboard Touchpad pointing deviceIntegrated Acer Crystal Eye webcam Environment System Block Diagram Top View Your Acer Notebook tourHotkeys Closed Front View Rear ViewRight View Computer has several easy-to-read status indicators IndicatorsIndicates when the hard disk drive is active Easy-Launch ButtonsUsing the Keyboard Lock Keys and numeric keypadF12 Windows Keys Special Key only for certain modelsOpen a text editor or word processor Chapter Windows Mobility Center Acer GridVista dual-display compatible Using the System UtilitiesChapter Processor Hardware Specifications and ConfigurationsCPU Fan True Value Table System MemoryWireless Module 802.11b/g/n Bluetooth InterfaceMemory Combinations LAN ModuleHard Disk Drive Optical Disc DriveVendor & model name Blu-Ray Disc Drive US & US+ RW DVDAudio Interface DVD-RW Non Cprm & Cprm DVD+/-R Dual Blu-RayAudio Controller Realtek ALC669X Yes/2.1 2W speakersVideo Memory BatterySystem Board Major Chips KeyboardSystem Power Management AC AdaptorInput 100-240V~ 1.5A, 50-60Hz Output 19V, 65W/90W, 2-pin Chapter System Utilities Bios Setup UtilityNavigating the Bios Utility Parameter Description InformationParameter Description Format/Option MainClear or Set SecuritySetting a Password Page Boot Exit Bios Flash Utility Remove HDD Password This section teaches you how to remove HDD passwordRemove HDD Password Chapter Disassembly Requirements Machine Disassembly and ReplacementDisassembly Process Pre-disassembly InstructionsGeneral Information Main Screw ListExternal Modules Disassembly Flowchart External Module Disassembly ProcessRemoving the Battery Pack Removing the Optical Drive Module Removing the Back Cover Pry loose and carefully lift and remove the back cover Removing the Hard Disk Drive ModuleRemoving the Wireless LAN Card M2 x L4 Silver Kgf-cm 86.9A552.4R0 Removing the Dimm Module Remove the wireless LAN cardRemove the Dimm modules Chapter Main Unit Disassembly Process Removing the Heatsink Module Chapter Removing the CPU Chapter Removing the Keyboard Removing the Middle CoverChapter Removing the LCD Module Chapter Remove the four screws B from the left and right hinges Carefully remove the LCD module from the base unit Separating the Upper Case from the Lower CasePage Size Quantity Color Torque Gently lift and detach the upper case from the lower case Removing the Touchpad and Button BoardsChapter Page Size Quantity Color Torque Page Detach the touchpad board from the upper case Removing the Left SpeakerRemove the left speaker from the upper board Removing the USB Board ModuleM2.5 x L4 Black Kgf-cm 86.00H59.734 Chapter Remove the USB board module from the lower case Chapter Removing the Modem Board Removing the Bluetooth Module Removing the Microphone Page Remove the microphone from the system Removing the Main BoardPage Remove the one screw G securing the main board in place Removing the Right Speaker Remove the right speaker from the lower case LCD Module Disassembly Process Removing the LCD Bezel Removing the LCD panel with the Brackets Detach the webcam cable from the webcam module Page Removing the LCD Brackets Removing the FPC Cable Removing the Web Camera Page Removing the Antennas Power-On Self-Test Post Error Symptoms Verified Go ToExternal Diskette Drive Check System Check ProceduresExternal Optical Disk Drive Check Keyboard or Auxiliary Input Device CheckMemory Check Power System CheckTouchpad Check Power-On Self-Test Post Error MessageError Code List Error Codes Error Messages Index of Error MessagesSystem board System RAM Failed at offset nnnn Error Message List Error Messages FRU/Action in SequenceSystem board Extended RAM Failed at offset nnnn System board DMA Test FailedFixed Disk n None Invalid System Configuration Data Fail-Safe Timer NMI FailedBlinking cursor shown on LCD during System board Code Beeps Post Routine Description Phoenix Bios Beep CodesSetup Code Beeps Post Routine Description 100 Chapter Index of Symptom-to-FRU Error Message LCD-Related Symptoms Symptom / Error Action in SequencePower-Related Symptoms Symptom / Error Action in Sequence Memory-Related Symptoms Symptom / Error Action in Sequence PCMCIA-Related Symptoms Symptom / Error Action in SequenceSpeaker-Related Symptoms Symptom / Error Action in Sequence Symptom / Error Action in SequencePage Intermittent Problems Undetermined ProblemsModem-Related Symptoms Symptom / Error Action in Sequence Code Connector Main BoardChapter 105 DC-in cable connector Heatsink fan cable connectorOptical disk drive connector HDD1 connectorGap name in Aspire 7740/7740G Series is G29 Clearing Password Check and Bios RecoveryBios Recovery by Crisis Disk Page 110 Chapter Page 112 Chapter FRU Field Replaceable Unit List Exploded Diagram Aceraspire 7740 UMACBKJV70CP no LX.PLY02.025/44 Aspire 7740/7740G Series FRU ListCables CASE/COVER/BRACKET Combo Module Heatsink Keyboard Standard Black Texture Russian Mainboard Speaker 124 Chapter Appendix a 125 Appendix aAppendix a 126 Aspire 7740/7740G SeriesNBDCB4XS Appendix a 127128 Appendix a Appendix a 129 130 Appendix a Appendix a 131 132 Appendix a Appendix a 133 134 Appendix a Appendix a 135 136 Appendix a Appendix a 137 138 Appendix a Appendix a 139 140 Appendix a Appendix a 141 142 Appendix a 143 Appendix a Appendix a 144 145 Appendix a Appendix a 146 Appendix B Test Compatible ComponentsHardware Device Tests Access PointAppendix B 149 Device name Vendor Wireless Printer150 Appendix C Online Support Information152 Index LCD bezel removing 80 LCD Brackets removing

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