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Acer 5742ZG, 5742G manual Removing the Mainboard

Models: 5742ZG 5742G 5742 5742Z

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Page 95

Removing the Mainboard

1.See “Removing the Upper Cover” on page 67.

2.Locate the LVDS cable on the mainboard.

3.Disconnect the LVDS cable from the mainboard connector.

Chapter 3

85

Image 95

Acer 5742ZG, 5742G manual Removing the Mainboard

Contents

Aspire 5742/5742G/5742Z/5742ZG Series Service Guide Revision History III CopyrightConventions Preface Page Table of Contents Viii Aspire 5742Z/5742ZG Aspire 5742/5742GTable of Contents Chapter FeaturesWebcam GraphicsStorage Optical Media DriveWlan Wireless and networkingPower adapter and battery Privacy controlInput and output Dimensions and weightWarranty Input and controlSoftware UMA System Block DiagramDiscrete nVidia Discrete ATI Icon Description Your Acer Notebook tourTop View Rear view Battery bay Houses the computers battery packLeft View Right View Base view HDD IndicatorsIcon Function Description Function Left Button Right Button Main TouchPad Touch Pad BasicsLock key Description Using the KeyboardLock Keys and embedded numeric keypad Key Description Windows KeysHotkey Icon Function Description Hot KeysCPU Hardware Specifications and Configurations512MB,1GB,2GB,4GB DDR3 RAM System Memory Specification0MB BiosLAN Interface Specification Memory Combinations Slot Total MemoryHard Disk Drive Interface Specification Keyboard SpecificationLED Specification Bluetooth Interface SpecificationAudio Interface Specification 3G Module not available with this model Specification LCD Inverter not available with this model SpecificationLCD Display Supported Resolution Bits Intel Camera SpecificationBattery Specification Audio Codec and Amplifier SpecificationWireless Module 802.11b/g/n Specification Vram ATI Vram NvidiaAC Adapter nVidia Specification System Board Major Chips SpecificationPorts Specification AC Adapter UMA SpecificationCard Reader UMA & Discrete Specification AC Adapter ATI SpecificationSystem Power Management Legacy Specification Mode System LED Indicator Specification Chapter Navigating the Bios Utility Bios Setup UtilityUuid Aspire 5742/5742G/5742Z/5742ZG BiosInformation Parameter DescriptionParameter Description Format/Option DisabledMain Clear or Set Disabled orSecurity Parameter Description OptionRemoving a Password Setting a PasswordContinue Changing a PasswordIDE1 HL-DT-STDVDRAM GT32N BootExit Exit Saving Changes ExitBios Flash Utilities Stdvdram GT32N DOS Flash UtilityWinFlash Utility UnlockHD Remove HDD/BIOS Password UtilitiesRemove HDD Password PasswordCleaning Bios Passwords Removing Bios PasswordsUsing Boot Sequence Selector Output Using DMIToolsInput Chapter Disassembly Requirements Machine Disassembly and ReplacementPre-disassembly Instructions Screw 3.0D Disassembly ProcessMain Screw List Quantity Part Number Screw 2.5DScrew List Step Quantity External Module Disassembly ProcessExternal Modules Disassembly Flowchart Removing the Battery Pack Removing the SD Dummy Card Step Size Quantity Screw Type ODD Module M2.5*8 Removing the ODD ModuleStep Size Quantity Screw Type ODD Bracket M2*3 Step Size Quantity Screw Type Logic lower door M2.5*8 Removing the Logic Lower DoorStep Size Quantity Screw Type 3G Cover M2.5*8 Removing the 3G Cover Discrete OnlyRemoving the RTC Battery UMA Only Remove the RTC battery from the lower cover as shown Removing the Dimm Module Step Size Quantity Screw Type Wlan Module M2*3 Removing the Wlan ModuleDetach the Wlan module from the Wlan socket Chapter Removing the HDD module Module Step Size Quantity Screw Type HDD Carrier M3*3 Removing the Keyboard Page CPU Thermal Main Unit Disassembly ProcessMain Unit Disassembly Flowchart Screw AssyStep Size Quantity Screw Type Removing the Upper CoverChapter Page Step Size Quantity Screw Type Upper Cover M2.5*5 Page Removing the Speaker Module Lift the speaker module clear of the device Chapter Removing the Power Board Step Size Quantity Screw Type Power board M2*3 Removing the Touch Pad FFC Page Removing the Card Reader Module Discrete Only Step Size Quantity Screw Type Card Reader M2*3 Removing the USB Board USB UMA Removing the Bluetooth BoardDiscrete Disconnect the Bluetooth cable from the connector as shown Removing the ODD Connector Board UMA Only Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*5 Page Chapter Removing the Thermal Module Thermal Screw Assy CPURemoving the CPU See Removing the Mainboard on Removing the LCD ModulePage UMA Step Size Quantity Screw Type LCD Module M2.5*5 Removing the DC-In Assembly LCD Module Disassembly Flowchart LCD Module Disassembly ProcessStep Size Quantity Screw Type LCD Bezel M2.5*6 Removing the LCD BezelRemove the bezel from the LCD module Chapter Removing the CCD Module Step Size Quantity Screw Type Inverter Module M2.5*5 Removing the Inverter Module LCD Only102 Chapter Page Step Size Quantity Screw Type LCD Brackets M2.5*5 Removing the LCD/LED PanelPage Step Size Quantity Screw Type LCD Brackets M2*3 Removing the LCD BracketsLCD LED Removing the Lvds CableRemoving the Microphone Cable Lift the microphone set clear of the panel Chapter 109 Removing the Antennas Replacing the Antennas LCD Module Reassembly ProcedureReplacing the Microphone Cable Page Replacing the Lvds Cable Replacing the LCD Brackets Replacing the LCD/LED Panel Replacing the Inverter Board 118 Chapter Replacing the CCD Module Replacing the LCD Bezel Replacing the DC-In Assembly Main Module Assembly ProcedureReplacing the LCD Module Place the black antenna cable into the cable guides 124 Chapter Replacing the CPU 126 Chapter VGA/RAM PAD Replacing the Thermal ModuleMastro B6 Callouts Thermal Module M2.5*5 VGA green Replacing the Mainboard 130 Chapter Step Size Quantity Screw Type Mainboard M2.5*5 Connect the Lvds cable to the mainboard Replacing the ODD Connector Board UMA Only Replacing the Bluetooth Board Step Size Quantity Screw Type USB Board M2*3 Replacing the USB Board136 Chapter Replacing the Card Reader Board Discrete Only 138 Chapter Replacing the Touchpad FFC Replacing the Power Board Replacing the Speaker Module Replacing the Upper Cover Page 144 Chapter Step Size Quantity Screw Type Upper Cover M2.5*5 Replacing the RTC Battery UMA Only Replacing the HDD Module 148 Chapter Replacing the Wlan Module Connect the two 2 antenna cables to the module Replacing the Dimm Modules Replacing the 3G Cover Discrete Only Replacing the Lower Logic Door Replacing the ODD Module Chapter 155 Replacing the Keyboard Replacing the SD Dummy Card Replacing the Battery Symptoms Verified Go To Common ProblemsComputer Shutsdown Intermittently Power On IssueNo Post or Video No Display IssueAbnormal Video Display Random Loss of Bios SettingsInternal Keyboard Failure LCD FailureInternal Speaker Failure Touch Pad FailureSound Problems Microphone Record Failure Microphone ProblemsSelect Set up microphone USB Failure Right side Select Startup Repair HDD Not Operating CorrectlySelect Repair your computer ODD Not Operating Correctly ODD FailureDiscs Do Not Play Drive Not Detected Bluetooth Function Test Failure Wireless Function FailureThermal Unit Failure 1 card Function Test FailureCosmetic Failure External Mouse FailureOther Failures Dimm Intermittent ProblemsUndetermined Problems Post Codes Post Code Range PhasePeirecoverymediafound PEI Peimemoryinstall PEIPeiswitchstack PEI Peienterrecoverymode PEIDxemtcinit DXE Dxesmarttimerinit DXEBdsinstallhotkey BDS Bdsbeforepciioinstall BDSBdsenterbootmanager BDS Bdsenumerateallbootoption BDSBdsendofbootselection BDS Bdsentersetup BDSFunctionality Name Include\ PostCode.h Phase Description Smmacpidisableend SMM Smmacpienablestart SMMSmmacpienableend SMM Smmacpidisablestart SMMJMIC2 JTP1JUSB2 SW1/SW2SW2/SW3 Discrete nVidiaFFC LED2JP1 Discrete ATIJSPK2 JKB1Bottom View Connect to Wlan USB connector U34 Description USB ConnectorUSB/B Board PEW71/91 Media LED SW1 Power BoardPEW71/91 ON/OFF LED PEW71/91 Wlan LEDPEW51 Media LED SW1 PEW71/91 Media LEDPEW51 Wlan LED PEW51 Media LED LED12 PEW51 Wlan LED SW1 PEW71/91 ON/OFF LED LED10 PEW71/91 Wlan LEDPEW71/81/91 Media LED LED11 JREAD2 CR/B BoardJREAD1 JODD2 ODD connectorODD Board Clear Cmos Jumper Clearing Password Check and Bios RecoveryClearing Password Check Steps for Clearing Bios Password CheckR671/R675 Clear Cmos Jumper Steps for Bios Recovery from USB Storage Bios Recovery by Crisis DiskBios Recovery Boot Block Bios Recovery Hotkey198 Chapter FRU Field Replaceable Unit List Description Acer P/N Aspire Exploded DiagramsMain Assembly Discrete 3G DOOR-DIS Lower CoverUniload DOOR-UMA Uniload DOOR-DISLCD Assembly LED Assembly Adapter BatteryAspire FRU List Category DescriptionCable CASE/COVER/BRACKET Assembly CPU/PROCESSOR 22ZEST0, ML320S, 4K Drive Sata 8MB LF F/W HDD/HARD Disk DriveSata 8MB LF F/W0001SDM1 PCB Sata 8MB LF F/W0001SDM1Keyboard LCD BD Combo DriveDVD RW Drive Antenna WLAN-AUX LCD Cover IMR-BLACKLCD Bezel for W/CMOS Antenna WLAN-MAINANTENNA*2, CCD 1.3M, Brown LCD Cover IMR-BROWN ANTENNA*2, CCD 1.3M, RED LCD Cover IMR-RED ANTENNA*2, CCD 1.3M, Black LED Cover IMR-BLACK Assy LED Module 15.6W Wxga Glare WLED LCD BOE 15.6W Wxga Glare HT156WXB LED Cable for W/CMOSLED Bracket R&L LED LCD Samsung 15.6W Wxga GlareANTENNA*2, CCD 1.3M, Brown LED Cover IMR-BROWN ANTENNA*2, CCD 1.3M, RED LED Cover IMR-RED ANTENNA*2, W/O CCD, Black LCD Cover IMR-BLACK ANTENNA*2, W/O CCD, Silver LCD Cover IMR-SILVER LCD Bezel for W/O CmosLCD Cable for W/O Cmos ANTENNA*2, W/O CCD, Brown LCD Cover IMR-BROWN ANTENNA*2, W/O CCD, RED LCD Cover IMR-RED LED Cable for W/O Cmos ANTENNA*2, W/O CCD, Black LED Cover IMR-BLACKANTENNA*2, W/O CCD, Silver LED Cover IMR-SILVER ANTENNA*2, W/O CCD, Brown LED Cover IMR-BROWN ANTENNA*2, W/O CCD, RED LED Cover IMR-RED Memory MainboardMiscellaneous HeatsinkSpeaker Screw Screw ListCategory Acer Description230 Chapter Model Country Acer Part No Description Appendix aAspire 5742/5742G W7HP64ASLU3 MC W7HP64ASBE1 MCW7HP64ASDE1 MC W7HP64ASNL1 MCW7HP64ASPL1 MC TWN GctwnW7HP64ASTW1 MC W7HP64ASDK2 MCW7HP64EMASME2 MC W7HP64ASIT1 MCW7HP64ASFR1 MC W7HP64ASGB1 MC W7HP64EMASZA2 MCW7HP64ASCH1 MC W7HP64EMASTR1 MCW7HP64KASKR1 MC China LX.R5D01.001 AS5742G-5462G32Mnrr W7HP64ASCZ2 MC Germany LX.R5302.028 AS5742G-5464G64Bnkk Chip Model Country Acer BOM NameCPU LCD VGA LX.R5D NLED15 N11PGLX.R5C AS5742G Turkey LX.R53 AS5742GN11P AS5742G Switzerland LX.R52 5463G50Mnkk 01.008 GE1GBCkk3V3 HDD 1GB Model Country AcerVram MemorySO2GBI SO4GBII SO2GBI SO1GBII1G-DDR3 SO2GBI SO2GBII SO2GBI SO2GBIILX.R5C 1G-DDR3 SO2GBI SO2GBII LX.R5D 1G-DDR3 SO2GBI1G-DDR3 SO2GBI SO1GBII LX.R5D 1G-DDR3 SO2GBI SO2GBII 1G-DDR3 SO4GBI SO4GBII 5464G50Mncc 005 LAN1 Wireless Bluetooth AdapterODD LX.R5D NSM8XS LX.R5C NSM8XSAS5742G Turkey LX.R53 3rd WiFi 90W 374G50Mnkk 02.015 2x2 BGN AS5742G LX.R52 NBDCB4X 3rd WiFi 65W 5464G64Mnkk 02.009 2x2 BGN AS5742G Italy LX.R53 Model Country Acer Description Aspire 5742Z/5742ZGW7HB64EMASME2 MC Middle LX.R58 AS5742ZG-P614G32Mnkk EM East 01.001 LX.R5Q Gctwn LX.R5R ARKXT512C Wxgag11PGE1GBC Wxgag Gctwn LX.R5P AS5742ZG Baltic LX.R58 AS5742ZGP AS5742ZG Spain Gctwn LX.R5R 1G-DDR3 SO2GBI LX.R5P 1G-DDR3 SO2GBILX.R5R 1G-DDR3 SO2GBI SO1GBILX.R5R 1G-DDR3 SO2GBI SO1GBI SO2GBI SO1GBIAS5742ZG Cyprus LX.R58 512M SO2GBI SO4GBI LX.R5Q 1G-DDR3 SO2GBIGctwn LX.R5R NSM8XS LX.R5P NSM8XSLX.R5R NSM8XS LX.R5A NSM8XSAS5742ZG Poland LX.R5Q NSM8XS 272 Chapter Audio Codec Appendix BMicrosoft Windows 7 Environment Test Vendor Type Description AdapterHDD Vendor Type DescriptionCamera LAN VGA Chip NB ChipsetSoftware Wireless LAN Vendor Type Description WiFi Antenna278 Appendix C Online Support Information280 Index 282