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Packard Bell LJ77, LJ75 manual Lift the entire Speaker assembly clear of the Upper Cover

Models: LJ75 LJ77

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5.Lift the entire Speaker assembly clear of the Upper Cover.

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Packard Bell LJ77, LJ75 manual Lift the entire Speaker assembly clear of the Upper Cover

Contents

Packard Bell EasyNote LJ75/LJ77 Service Guide Revision History Copyright IIIConventions Preface Page Table of Contents Viii Packard Bell EasyNote LJ75 Series Packard Bell EasyNote LJ77 SeriesOnline Support Information 207 Index 209 Features ChapterOptical Drive Dimensions and WeightStorage subsystem AudioSpecial Keys and Controls PowerPrivacy control PortsOptional EnvironmentSystem Block Diagram Front View Your Notebook tourComponent Icon Description Left View HdmiRight View Rear ViewBottom View Keyboard Area selected models Component DescriptionLCD Panel Status Indicators BatteryIndicator Icon Description TouchPad Basics Function Left Button Right Button Main TouchPadKey Types Using the KeyboardIcon Key Type Description Windows Keys Key DescriptionSystem Keys Function Key DescriptionRPM Hardware Specifications and ConfigurationsDIS UMASystem Memory Specification Northbridge SpecificationsBios Ddriii0MB Graphics Controller SpecificationMemory Combinations Slot Total Memory GMA HDBluetooth Specification LAN Interface SpecificationWireless Module 802.11b/g Specification Hard Disk Drive Interface Specification8MB Internal transfer rate Mbits Sec, max Data transfer rate Reading Super-Multi Drive Module SpecificationWriting WriteBlue-Ray Combo Drive Module Specification CD-ROM CD-RWAudio Interface Specification Power and Keyboard Controller SpecificationLCD Specification Battery Specification CellLvds Bios Setup Utility Navigating the Bios UtilityParameter Description InformationUuid Main Parameter Description Format/OptionAdvanced Parameter Description Submenu ItemsAspm L1 IGD-TVAspm URRParameter Description Option Disabled orSecurity Clear or SetSetting a Password Removing a PasswordChanging a Password ContinuePower Acpi S3DTS EmitmAcpi S3 Boot USB CdromExit CmosBios Flash Utilities DOS Flash Utility Page WinFlash Utility Password Remove HDD/BIOS Password UtilitiesRemove HDD Password UnlockHDRemoving Bios Passwords Cleaning Bios PasswordsUsing Boot Sequence Selector Input Using DMIToolsOutput Using the LAN Utility Chapter Machine Disassembly and Replacement Disassembly RequirementsGeneral Information Pre-disassembly InstructionsDisassembly Process Main Screw List Quantity Part NumberExternal Modules Disassembly Flowchart External Module Disassembly ProcessScrew List Step Quantity Removing the Battery Pack Removing the SD dummy card HDD2, Wlan Removing the Lower CoversHDD1 Removing the Optical Drive Module Step Size Quantity Screw Type ODD Module M2.5*5Step Size Quantity Screw Type ODD Bracket M2*3 Removing the Dimm Modules Removing the Wlan Module Step Size Quantity Screw Type Wlan Module M2*3 Removing the Primary HDD Module Step Size Quantity Screw Type HDD Carrier M3*3Remove the HDD from the carrier Chapter Removing the Secondary HDD Module Step Size Quantity Screw Type HDD Carrier M3*3 Main Unit Disassembly Process Main Unit Disassembly FlowchartRemoving the Switch Cover Step Size Quantity Screw Type Switch Cover M2.5*5Chapter Page Removing the Media Board Removing the Keyboard Chapter Removing the LCD Module Step Size Quantity Screw Type LCD Module M2.5*8Chapter Page Step Size Quantity Screw Type Carefully remove the LCD module from the chassis Chapter Removing the Upper Cover Step Size Quantity Screw Type Page Page Removing the TouchPad Bracket Step Size Quantity Screw Type TouchPad Bracket M2*3Removing the Media Board FFC Removing the LED Board Removing the Speaker Module Step Size Quantity Screw Type Speaker Module M2*3Lift the entire Speaker assembly clear of the Upper Cover Removing the RTC Battery Removing the Modem Board Step Size Quantity Screw Type Modem Board M2*3Page Removing the USB Board Step Size Quantity Screw Type USB Board M2.5*5Page Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*5Removing the RJ-11 Jack Chapter Removing the CPU Fan Step Size Quantity Screw Type CPU Fan M2*3Removing the Thermal Module Step Size Quantity Screw Type Thermal Module M2.5*6.5Removing the CPU LCD Module Disassembly Process LCD Module Disassembly FlowchartRemoving the LCD Bezel Removing the Camera Module Removing the LCD Panel Step Size Quantity Screw Type LCD Panel M2.5*5Removing the Power Board Step Size Quantity Screw Type Power Board M2*3Removing the LCD Brackets and FPC Cable Step Size Quantity Screw Type LCD Brackets M2*3 Removing the Microphone Module Removing the Antennas Page LCD Module Reassembly Procedure Replacing the Antennas, Power Board, and MICPage 108 Chapter Replacing the LCD Panel 110 Chapter Replacing the Camera Module Replacing the LCD Bezel Page Replacing the CPU Main Module Reassembly ProcedureReplacing the Thermal Module Replacing the CPU Fan Replacing the RJ-11 Jack Replacing the Mainboard Replacing the USB Board Replacing the Modem Board Replacing the Speaker Module Replacing the LED Board Replacing the Media Board FFCReplacing the TouchPad Bracket Replacing the Upper CoverReconnect the following cables as shown Chapter 123 124 Chapter Page Replacing the LCD Module Page 128 Chapter Replacing the Keyboard Replacing the Media Board Replacing the Switch Cover 132 Chapter Replacing the Hard Disk Drive Modules Replacing the Wlan Module Replacing the Dimm ModulesReplacing the ODD Module Replacing the Lower Covers136 Chapter Replacing the Battery Replacing the SD Dummy Card138 Chapter Common Problems Symptoms Verified Go ToPower On Issue Computer Shuts down IntermittentlyNo Display Issue No Post or VideoRandom Loss of Bios Settings Abnormal Video DisplayLCD Failure Built-In Keyboard FailureTouchPad Failure FFCSound Problems Internal Speaker Failure146 Chapter Select Set up microphone Microphone ProblemsInternal Microphone Failure Select Repair your computer HDD Not Operating CorrectlySelect Startup Repair ODD Failure ODD Not Operating CorrectlyDiscs Do Not Play Playback is Choppy 152 Chapter USB Right Side Failure USB/BWireless Function Failure WiMax cardBluetooth Function Test Failure Re-assemble BT CableEasy Button Failure Thermal Unit Failure External Mouse FailureOther Failures Motherboard Cmos Discharge Intermittent ProblemsUndetermined Problems Dimm160 Chapter Sec Post CodesChipset Post Codes MemoryBDS & Specific action Code Description Each Peim entry point used in 80PORT Each Driver entry point used in 80PORTFvbservice CF9RESETBootpriority SmbiosSetuputility LegacybiosLegacybiosplatform FwblockserviceEach SmmDriver entry point used in 80PORT 168 Chapter Top View JODD1 PJP2JMINI1 JHDD1LS-5026P LED Board LS-5022P USB BoardLS-5024P Cap Sensor Board LED1LED3 Power S/WLS-5027P SW Board SW1Steps for Clearing Bios Password Check Clearing Password Check and Bios RecoveryClearing Password Check Mark Description Location174 Chapter Bios Recovery Hotkey Bios Recovery by Crisis DiskBios Recovery Boot Block Steps for Bios Recovery by USB flash crisis disk176 Chapter FRU Field Replaceable Unit List Main Assembly Packard Bell EasyNote LJ75/LJ77 Exploded DiagramsDescription Acer P/N Base Assembly LCD Assembly Category BatteryPackard Bell EasyNote LJ75/LJ77 FRU List AdapterCASE/COVER/BRACKET Assembly CableCPU/PROCESSOR HDD/HARD Disk DriverMemory KeyboardODD BEZEL-SUPER Multi DVD-RW DriveODD SUPER-MULTI Drive Module ODD BracketBD Combo Module LCDSpeaker MainboardHeatsink MiscellaneousScrew List ScrewChapter 189 Packard Bell EasyNote LJ75 Series Appendix aModel Acer Part No Country Description EASYNOTELJ75-JP-258FR EASYNOTELJ75-JO-110ITEASYNOTELJ75-JO-256FR EASYNOTELJ75-JO-432SPVGA Chip Model Acer Part NoCPU LCD VramNLED17.3W Parkxt NLED17.3W UMASO2GBIII10 Model Acer Part No MemoryHDD 1GB SO2GBIII10 SO4GBIII10Reader HDD 2GB ODDMedia Extra Card Processor NSM8XS NISFinger Model Acer Part No Wireless BluetoothVoip LAN1LX.BG902.014 3rd WiFi HM55 436G50Bn S2.BH302.001 INT6200H HM55 544G32Mi 2GB Packard Bell EasyNote LJ77 SeriesMedia Extra SW1 Card Reader Processor Model Acer Part No Wireless LAN1 Bluetooth Finger NB Chipset Phone PrintTest Compatible Components Appendix BVendor Type Description 2nd HDD BatteryMicrosoft Windows 7 Environment Test AdapterCPU Vendor Type DescriptionCamera HDDMEM ModemWireless LAN WiFi AntennaVendor Type Description VGA Chip 206 Online Support Information Appendix C208 Index 210 211 212