Packard Bell LJ77, LJ75 guide

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

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Chapter 3

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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 III Conventions Preface Page Table of Contents Viii Packard Bell EasyNote LJ75 Series Packard Bell EasyNote LJ77 Series Online Support Information 207 Index 209 Features Chapter Optical Drive Dimensions and WeightStorage subsystem Audio Special Keys and Controls PowerPrivacy control Ports Optional Environment System Block Diagram Front View Your Notebook tourComponent Icon Description Left View Hdmi Right View Rear View Bottom View Keyboard Area selected models Component Description LCD Panel Status Indicators BatteryIndicator Icon Description TouchPad Basics Function Left Button Right Button Main TouchPad Key Types Using the KeyboardIcon Key Type Description Windows Keys Key Description System Keys Function Key Description RPM Hardware Specifications and ConfigurationsDIS UMA System Memory Specification Northbridge SpecificationsBios Ddriii 0MB Graphics Controller SpecificationMemory Combinations Slot Total Memory GMA HD Bluetooth Specification LAN Interface SpecificationWireless Module 802.11b/g Specification Hard Disk Drive Interface Specification 8MB Internal transfer rate Mbits Sec, max Data transfer rate Reading Super-Multi Drive Module SpecificationWriting Write Blue-Ray Combo Drive Module Specification CD-ROM CD-RW Audio Interface Specification Power and Keyboard Controller Specification LCD Specification Battery Specification CellLvds Bios Setup Utility Navigating the Bios Utility Parameter Description InformationUuid Main Parameter Description Format/Option Advanced Parameter Description Submenu Items Aspm L1 IGD-TVAspm URR Parameter Description Option Disabled orSecurity Clear or Set Setting a Password Removing a Password Changing a Password Continue Power Acpi S3 DTS EmitmAcpi S3 Boot USB Cdrom Exit Cmos Bios Flash Utilities DOS Flash Utility Page WinFlash Utility Password Remove HDD/BIOS Password UtilitiesRemove HDD Password UnlockHD Removing Bios Passwords Cleaning Bios Passwords Using Boot Sequence Selector Input Using DMIToolsOutput Using the LAN Utility Chapter Machine Disassembly and Replacement Disassembly Requirements General Information Pre-disassembly InstructionsDisassembly Process Main Screw List Quantity Part Number External 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*5 Step 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*3 Remove 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 Flowchart Removing the Switch Cover Step Size Quantity Screw Type Switch Cover M2.5*5 Chapter Page Removing the Media Board Removing the Keyboard Chapter Removing the LCD Module Step Size Quantity Screw Type LCD Module M2.5*8 Chapter 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*3 Removing the Media Board FFC Removing the LED Board Removing the Speaker Module Step Size Quantity Screw Type Speaker Module M2*3 Lift 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*5 Removing the RJ-11 Jack Chapter Removing the CPU Fan Step Size Quantity Screw Type CPU Fan M2*3 Removing the Thermal Module Step Size Quantity Screw Type Thermal Module M2.5*6.5 Removing the CPU LCD Module Disassembly Process LCD Module Disassembly Flowchart Removing the LCD Bezel Removing the Camera Module Removing the LCD Panel Step Size Quantity Screw Type LCD Panel M2.5*5 Removing the Power Board Step Size Quantity Screw Type Power Board M2*3 Removing 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 FFC Replacing the TouchPad Bracket Replacing the Upper Cover Reconnect 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 Modules Replacing the ODD Module Replacing the Lower Covers 136 Chapter Replacing the Battery Replacing the SD Dummy Card 138 Chapter Common Problems Symptoms Verified Go To Power On Issue Computer Shuts down Intermittently No Display Issue No Post or Video Random Loss of Bios Settings Abnormal Video Display LCD Failure Built-In Keyboard Failure TouchPad Failure FFC Sound Problems Internal Speaker Failure 146 Chapter Select Set up microphone Microphone ProblemsInternal Microphone Failure Select Repair your computer HDD Not Operating CorrectlySelect Startup Repair ODD Failure ODD Not Operating Correctly Discs Do Not Play Playback is Choppy 152 Chapter USB Right Side Failure USB/B Wireless Function Failure WiMax card Bluetooth Function Test Failure Re-assemble BT Cable Easy Button Failure Thermal Unit Failure External Mouse Failure Other Failures Motherboard Cmos Discharge Intermittent ProblemsUndetermined Problems Dimm 160 Chapter Sec Post CodesChipset Post Codes Memory BDS & Specific action Code Description Each Peim entry point used in 80PORT Each Driver entry point used in 80PORT Fvbservice CF9RESETBootpriority Smbios Setuputility LegacybiosLegacybiosplatform Fwblockservice Each SmmDriver entry point used in 80PORT 168 Chapter Top View JODD1 PJP2JMINI1 JHDD1 LS-5026P LED Board LS-5022P USB BoardLS-5024P Cap Sensor Board LED1 LED3 Power S/WLS-5027P SW Board SW1 Steps for Clearing Bios Password Check Clearing Password Check and Bios RecoveryClearing Password Check Mark Description Location 174 Chapter Bios Recovery Hotkey Bios Recovery by Crisis DiskBios Recovery Boot Block Steps for Bios Recovery by USB flash crisis disk 176 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 Adapter CASE/COVER/BRACKET Assembly Cable CPU/PROCESSOR HDD/HARD Disk Driver Memory Keyboard ODD BEZEL-SUPER Multi DVD-RW DriveODD SUPER-MULTI Drive Module ODD Bracket BD Combo Module LCD Speaker MainboardHeatsink Miscellaneous Screw List Screw Chapter 189 Packard Bell EasyNote LJ75 Series Appendix aModel Acer Part No Country Description EASYNOTELJ75-JP-258FR EASYNOTELJ75-JO-110ITEASYNOTELJ75-JO-256FR EASYNOTELJ75-JO-432SP VGA Chip Model Acer Part NoCPU LCD Vram NLED17.3W Parkxt NLED17.3W UMA SO2GBIII10 Model Acer Part No MemoryHDD 1GB SO2GBIII10 SO4GBIII10 Reader HDD 2GB ODDMedia Extra Card Processor NSM8XS NIS Finger Model Acer Part No Wireless BluetoothVoip LAN1 LX.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 Print Test Compatible Components Appendix B Vendor Type Description 2nd HDD BatteryMicrosoft Windows 7 Environment Test Adapter CPU Vendor Type DescriptionCamera HDD MEM Modem Wireless LAN WiFi AntennaVendor Type Description VGA Chip 206 Online Support Information Appendix C 208 Index 210 211 212