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Acer 4820T manual Removing the Upper Cover

Models: 4820T

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Page 72

Removing the Upper Cover

1.See “Removing the Keyboard” on page 56.

2.Turn the computer over. Disconnect the following four cables from the Mainboard:

a.Left speaker cable

b.Touchpad FFC

c.Power Switch FFC

d.Function Board FFC

e.Power Switch Board FFC

C D E

AB

58

Chapter 3

Image 72

Acer 4820T manual Removing the Upper Cover

Contents

Acer Aspire 4820T Service Guide Revision History Copyright IIIConventions Preface Page System Specifications Troubleshooting FRU Field Replaceable Unit List Page Table of Contents Troubleshooting 103 Acer TBD Series Microsoft Windows 7 Environment TestTable of Contents Features ChapterMini Card AudioStorage Optical DriveDimensions and weight Power subsystemPrivacy control Special keys and controlsOptional Items Warranty EnvironmentSystem Block Diagram IntelYour Acer Notebook tour Front ViewIcon Description HDD Closed Front View Left ViewHdmi Right View Indicators Bottom ViewIcon Function Description HDD TouchPad Basics Function Left Button Right Button Main TouchPadUsing the Keyboard Lock Keys and embedded numeric keypadLock key Description Windows Keys Key DescriptionHot Keys Hotkey Icon Function DescriptionHardware Specifications and Configurations BiosCPU System Memory Specification Wireless Module Specification Manufacturer Intel WiFi Link4GB Memory Combinations Slot Total MemoryLAN Module Specification Bluetooth SpecificationHard Disk Drive Interface Specification Super-Multi Drive ModuleAudio Interface Specification Power and Keyboard Controller Specification Battery Specification CellSANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009A LCDCard Reader Specification Chapter Bios Setup Utility Navigating the Bios UtilityAspire 4820T Bios InformationParameter Description UuidMain Parameter Description Format/OptionDisabled or SecurityParameter Description Option Clear or SetSetting a Password Removing a PasswordChanging a Password ContinueBoot USB CdromExit CmosBios Flash Utilities DOS Flash Utility USB HDDPage WinFlash Utility Remove HDD/BIOS Password Utilities Remove HDD PasswordRemoving Bios Passwords Cleaning Bios PasswordsUsing Boot Sequence Selector Using DMITools InputOutput Input dmitools /wuUsing the LAN MAC Eeprom Utility Chapter Machine Disassembly and Replacement Disassembly RequirementsPre-disassembly Instructions Disassembly ProcessGeneral Information Main Screw List Quantity Part NumberExternal Module Disassembly Process External Modules Disassembly FlowchartScrew List Step Quantity Removing the Battery Pack Removing the SD dummy card Removing the SIM card Removing the Lower Cover Removing the Optical Drive Module Step Size Quantity Screw Type ODD Module M2.5*4LStep Size Quantity Screw Type ODD Bracket M2.0*3L Removing the Dimm Modules Removing the Wlan Module Step Size Quantity Screw Type Wlan Board M2.0*3Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Carrier M3.0*4LMain Unit Disassembly Process Main Unit Disassembly FlowchartRemoving the Keyboard Step Size Quantity Screw TypePage Removing the Upper Cover Page Remove the eight 8 screws from the top cover Removing the Power Switch Board Removing the Function Board Step Size Quantity Screw Type Function Board M2.0*3wideheadRemoving the Left Speaker Module Step Size Quantity Screw Type Speaker Module M2.5*4LRemoving the USB Board Step Size Quantity Screw Type USB Board M2.5*4LLift the USB Board upward away from the chassis Chapter Removing the 3G Module Step Size Quantity Screw Type 3G Module M2.5*4LRemoving the Bluetooth Module Step Size Quantity Screw Type Bluetooth Board M2.3*3LRemoving the LCD Module Step Size Quantity Screw Type LCD Module M2.5*6.5 Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*4L Removing the Thermal Module Removing the CPU Removing the RTC Battery Removing the WiFi Antenna CableRemoving the Right Speaker Removing the DC-In Cable Step Size Quantity Screw Type DC-In Cable M2.5*4LCD Module Disassembly Process LCD Module Disassembly FlowchartRemoving the LCD Bezel Step Size Quantity Screw Type LCD Bezel M2.5*4Removing the Camera Module Removing the LCD Panel Step Size Quantity Screw Type LCD Panel M2.3*3Removing the FPC Cable Removing the Microphone Module Removing the HingesStep Size Quantity Screw Type LCD Hinges M2.5*3 Removing the Antennas Chapter LCD Module Reassembly Procedure Replacing the MIC and WiFi AntennasReplacing the Microphone Module Replacing the FPC Cable Replacing the LCD PanelReplacing the Webcam Replacing the LCD Bezel Replace the two screws and screw caps as shown Main Module Reassembly Procedure Replacing the DC-In CableReplacing the LCD Module Replacing the Right SpeakerReplacing the RTC Battery Replacing the CPU Replacing the Thermal ModulePage Replacing the Mainboard Replacing the Bluetooth Module Replacing the 3G Module Replacing the USB Board Replacing the Left Speaker Module Replacing the Switch Board Replacing the Function BoardReplacing the Upper Cover Page 104 Chapter Replacing the Keyboard Replacing the Hard Disk Drive Module106 Chapter Replacing the Wlan Board Replacing the Dimm ModulesInsert the Wlan board into the Wlan socket Replacing the ODD Module Replacing the Lower Covers Replacing the Dummy Card Replacing the SIM cardReplacing the Battery Pack 112 Chapter Common Problems Symptoms Verified Go ToPower On Issue Computer Shutsdown IntermittentlyNo Display Issue No Post or VideoRandom Loss of Bios Settings Abnormal Video DisplayLCD Failure Built-In Keyboard FailureTouchPad Failure Internal Speaker FailureSound Problems Microphone ProblemsSelect Set up microphone HDD Not Operating Correctly Select Repair your computerSelect Startup Repair ODD Failure ODD Not Operating CorrectlyDiscs Do Not Play Drive Not Detected Wireless Function Failure Thermal Unit FailureExternal Mouse Failure Other FailuresIntermittent Problems Undetermined ProblemsDimm Post Code Range Phase Post CodesPeimemoryinstall PEI Peiswitchstack PEIPeienterrecoverymode PEI Peirecoverymediafound PEIBdsinstallhotkey BDS Bdsbeforepciioinstall BDSDxesmmcontrolerinit DXE Dxelegacyinterrupt DXEBdsenumerateallbootoption BDS Bdsendofbootselection BDSBdsentersetup BDS Bdsenterbootmanager BDSFunctionality Name Include\ PostCode.h Phase Description 132 Chapter Top View Description DesciptionMini Card Wlan PJ2 Power Jack LANRTC FAN ConnClearing Password Check and Bios Recovery Clearing Password CheckSteps for Clearing Bios Password Check Description Location G1 / G2 Clear Cmos Jumpers WiFi BayBios Recovery by Crisis Disk Bios Recovery Boot BlockBios Recovery Hotkey Steps for Bios Recovery from USB StorageFRU Field Replaceable Unit List Acer Aspire 4820T Exploded Diagrams LCD AssemblyDescription Acer P/N Chassis Assembly HDD-BKT ZQ1 ZR6FBZR6004,REV MBSG,PARK,SAM,BT WO CpuassyWwan Minicard BEVT-22A23T0 STN BSQAcer Aspire 4820T FRU List Category Part Name Description Acer Part NumberSIM Board 26G SLBPNPGAS.P MK2565GSX-EUL S.P Sata 8MB LF F/WGJ001J Keyboard ZQ1 K/BUI S.P CABLE,ANTENNA*3, Hinge CAP Mainboard Mainboard UMA HM55 W/CARD ZQ1B MB Heatsink Thermal Module for 35W UMA ZQ1 Thermal Module Screw List Category Partname Description Acer Part NumberChapter 151 Appendix a Acer Aspire 4820T SeriesCountry Acer Description Luxembour Denmark LX.PSE AAP S2.PSEAS4820TG-432G64Mn W7HP64ATTW1 MC AS4820TG-436G64Mn EM W7HP64EMATZA1 MC AS4820TG-436G64Mn W7HP64ATLV1 MC AS4820TG-436G64Mn W7HP64ATFR1 MC AS4820TG-434G64Mn W7HP64ATDE1 MC AS4820TG-434G64Mn W7HP64ATEU7 MC LX.PVL AAP S2.PVLLX.PSG AAP LX.PSG EmeaAS4820TG-433G32Mn EM W7HP64EMATTR1 MC AS4820TG-433G32Mn W7HP64ATBE1 MC AS4820TG-433G32Mn W7HP64ATES1 MC Gctwn LX.PSG TWN 02.034 PARKXT512Cks3V3 2*2G/500L/BT/6L3.0/5R Cbbgn1.3CALIT41 02.030 PARKXT512Cks3V3 2*2G/500L/BT/6L3.0/5R Cbbgn1.3CALLT11 S2.PSG S2.PVMLX.PSN AAP LX.PSNLX.PSN China LX.PSN EmeaAS4820T-333G32Mn W7HP64ATNL1 MC UMACks3 2G+1G AS4820T-333G32Mn W7HP64ATFR1 MC UMACks3 2G+1G 02.041 2G/320/BT/6L3.0/5R/cbbgn1.3CALAR11 South Africa Model Country Acer BOM Name VGA ChipVram Gctwn LX.PSE AS4820TGMADISO 434G50Mn 02.147 S2.PSE AS4820TGMADISO 434G50Mn 02.099 436G64Mn 02.073 434G64Mn 02.049 LX.PVL AS4820TGMADISO S2.PVL AS4820TGMADISO LX.PS AS4820TGPARKXParkxt DDR3433G32Mn G02.10 T512Cks3V3 433G32Mn Europe G02.09 T512Cks3V3 Gctwn LX.PS AS4820TGPARKX 332G32Mn G0C.00 T512Cks3V3 434G50Mn Africa G02.04 T512Cks3V3 434G50Mn G02.02 T512Cks3V3 S2.PS AS4820TGPARKX S2.PV AS4820TGPARKXUMA Acla LX.PS354G32Mn Portuguese N02.10 AS4820T China AS4820T Middle East AS4820T Baltic AS4820T Malaysia AS4820T Algeria AS4820T Holland S2.PS Model Country Acer Part No MemoryHDD 1GB SO2GBIII10AS4820TG Middle East LX.PSE02.166 SO4GBIII10 SO2GBIII10 SO2GBIII10 SO1GBIII10 SO4GBIII10AS4820TG Middle East LX.PSE02.090 AS4820TG Eastern LX.PSE02.064 AS4820TG Germany LX.PSE02.039 AS4820TG Eastern LX.PSE02.013 AS4820TG South Africa LX.PSG02.117 AS4820TG Eastern LX.PSG02.091 AS4820TG Thailand LX.PSG02.068 AS4820TG Middle East LX.PSG02.045 Acla AS4820T China LX.PSN0C.005 AS4820T Latvia LX.PSN02.081 AS4820T Malaysia LX.PSN02.059 AS4820T Luxembour LX.PSN02.035 AS4820T Eastern LX.PSN02.010 Appendix a 212 Test Compatible Components Appendix BMicrosoft Windows 7 Environment Test Vendor DescriptionUNDP-1 CoverAdapter DeltaDB A, LV5 LED LF 65JH DB A, LV5 LED LFHipro LITE-ON34AR, LV5 LED LF Audio Codec ALC271XBattery PanasoNIC IDAS10B5ESamsun SanyoSimplo Bluetooth Camera222 Card Reader Intel Vendor Description CPU Intel Core i7 620M PGA 2.66G KC.62001.DM HDD N320GB5.4 Vendor Description 230 Seagat 232 Toshiba MK3265GSX Sata 8MB LF F/WGJ002JHDD Toshiba 2.5 5400rpm 500GB 22A23T0,ML320S,WD Sata 8MB LF F/W01.01A01 Appendix B 235 N500GB5.4 HDD WD 2.5 5400rpm 500GB WD5000BEVT 22A23T0,ML320S,WD Sata 8MB LF F/W01.01A01 Appendix B 237 Keyboard AC4TA10B AcerLAN NLED14WX AUONLED14WX CMO NLED14WX LPLNLED14WX Samsun MEMSO1GBIII10 Elpida SO2GBIII10 ElpidaSO1GBIII10 Hynix SO2GBIII10 HynixSO4GBIII10 None SO1GBIII10 Samsun SO2GBIII10 SamsunModem NB Chipset ODDNSM8XS9.5 Hlds NSM8XS9.5 PanasoNSM8XS9.5 Toshiba SB Chipset SoftwareWiFi Antenna VGA ChipMadison AMD Parkxt AMDWireless LAN BGNINT6300H Online Support Information Appendix C216 Index 218