Removing the Upper Cover | Aspire Digital 4625G guide

5.Open the locking latch on the FFC, and disconnect the cable as shown.

6.Lift the keyboard clear of the chassis.

Removing the Upper Cover

1.See “Removing the Keyboard” on page 58.

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

C D

AB

Chapter 3

59

Image 69

Aspire Digital 4625G manual Removing the Upper Cover

Contents

Aspire 4625/4625G Series Service Guide Revision History III Copyright Conventions Preface Page Table of Contents Viii Troubleshooting 107 Microsoft Windows 7 Environment Test Aspire 4625/4625G Table of Contents Chapter Features Audio Dimensions and weightStorage Optical Drive Special keys and controls Power adapter and batteryInterface Software Optional Items Environment Warranty AMD Champlain System Block Diagram Your Acer Aspire Notebook tour Front ViewIcon Description HDD Closed Front View Left ViewHdmi Bottom View Right View Icon Function Description Indicators Function Left Button Right Button Main TouchPad TouchPad Basics Desired access Num Lock on Num Lock off Using the KeyboardLock Keys and embedded numeric keypad Lock key Description Key Description Windows Keys Hotkey Icon Function Description Hot Keys Hardware Specifications and Configurations Skew ComparisonPart Processor Specifications SpecificationCores Bus Cache Package Acer P/N Speed Size Voltage System Memory Specification 1M SPI ROM4GB System Board Major Chips Specification Ports SpecificationMemory Combinations Slot Total Memory Wireless Module Specification LAN Module SpecificationBluetooth Specification Hgst Hard Disk Drive Interface SpecificationRPM Sata Super-Multi Drive Module Keyboard Controller Specification Audio Interface SpecificationBattery Specification Cell RTC Battery Specification System LED Indicator Specification AC Adapter SpecificationLCD Specification LG LP140WH2-TLA2/LP140WH2-TLL1/LP140WH2-TLL1 Video Interface Specification LCD Display Supported Resolution BitsHdmi Port Specification GDDR3 Card Reader Specification LCD Inverter Not available with this modelPcmcia Port Not available in this model Page Chapter Navigating the Bios Utility Bios Setup Utility Information Aspire JV41 BiosParameter Description Uuid Main DisabledParameter Description Format/Option Sata Class ID Security Disabled orParameter Description Option Clear or Set Removing a Password Setting a Password USB Cdrom Boot Exit Security Boot Exit Exit Saving Changes Bios Flash Utilities DOS Flash Utility WinFlash Utility Remove HDD Password Remove HDD/BIOS Password Utilities Removing Bios Passwords Chapter Clearing Bios Passwords Using DMITools Using Boot Sequence Selector Run UUID.bat Configuring Uuid Values Disassembly Requirements Machine Disassembly and Replacement Disassembly Process Pre-disassembly InstructionsGeneral Information Main Screw List Quantity Part Number External Module Disassembly Process External Modules Disassembly FlowchartScrew List Step Quantity Removing the Battery Pack Removing the SD dummy card Step Size Quantity Screw Type Lower Cover M2.5*6.5 Removing the Lower Cover Step Size Quantity Screw Type ODD Module M2.5*3 Removing the Optical Drive Module Step Size Quantity Screw Type ODD Bracket M2.0*3 Removing the Dimm Modules Step Size Quantity Screw Type Wlan Board M2.0*3 Removing the Wlan ModulePage Step Size Quantity Screw Type HDD Carrier M3.0*3 Removing the Hard Disk Drive Module Main Unit Disassembly Flowchart Main Unit Disassembly Process Removing the Keyboard Removing the Upper Cover Chapter Step Size Quantity Screw Type Removing the Power Switch Board Removing the Function Board Step Size Quantity Screw Type Function Board M2.0*3widehead Step Size Quantity Screw Type USB Board M2.5*4 Removing the USB Board Step Size Quantity Screw Type Bluetooth Board M2.0*3 Removing the Bluetooth Module Removing the LCD Module Chapter Step Size Quantity Screw Type Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*4 Removing the Thermal Module Step Size Quantity Screw Type Thermal Module M2.0*3 Removing the CPU Removing the PCH Thermal Module Removing the RTC Battery LCD Module Disassembly Flowchart LCD Module Disassembly Process Step Size Quantity Screw Type LCD Bezel M2.5*4 Removing the LCD Bezel Removing the Camera Module Step Size Quantity Screw Type LCD Panel M2.0*3 Removing the LCD Panel Removing the FPC Cable Removing the Microphone Module Removing the Antennas Step Size Quantity Screw Type LCD Hinges M2.5*3 Removing the Hinges Replacing the MIC and WiFi Antennas LCD Module Reassembly Procedure Replacing the FPC Cable Replacing the LCD Panel Replacing the Webcam Replacing the LCD Bezel Main Module Reassembly Procedure Replacing the RTC BatteryReplacing the CPU Replacing the Thermal Module Replacing the PCH Thermal Module Chapter Replacing the LCD Module Page Chapter Replacing the Bluetooth Module Replacing the USB Board Replacing the Function Board Replacing the Power Switch Board Replacing the Upper Cover Page 100 Chapter Replacing the Keyboard Replacing the Hard Disk Drive Module Replacing the ODD ModulePage Replacing the Wlan Board Replacing the Dimm ModulesInsert the Wlan board into the Wlan socket Replacing the Lower Covers Replacing the Dummy Cards Replacing the Battery Pack Symptoms Verified Go To Common Problems Computer Shutsdown Intermittently Power On Issue No Post or Video No Display Issue Abnormal Video Display Random Loss of Bios Settings Built-In Keyboard Failure LCD Failure Internal Speaker Failure TouchPad Failure Sound Problems Microphone ProblemsSelect Set up microphone HDD Not Operating Correctly Select Repair your computerSelect Startup Repair ODD Not Operating Correctly ODD Failure Discs Do Not Play Drive Not Detected Thermal Unit Failure Wireless Function Failure Other Failures External Mouse Failure Intermittent Problems Undetermined ProblemsDimm Post Codes Code Post Routine DescriptionCode Beeps Post Routine Description 122 Chapter Code Beeps Post Routine Description Code Beeps For Boot Block in Flash ROM U10/EC/KBC Top View PU14/3V/5V PWM IC Clearing Password Check Clearing Password Check and Bios RecoverySteps for Clearing Bios Password Check Clear Cmos Jumper Bios Recovery Boot Block Bios Recovery by Crisis DiskBios Recovery Hotkey Steps for Bios Recovery from USB Storage FRU Field Replaceable Unit List Aspire 4625/4625G Exploded Diagrams LCD AssemblyDescription Acer P/N Chassis Assembly ZQ1 ZR6FBZR6004,REV MBSG,PARK,SAM,BT WO Cpuassy HDD-BKTWwan Minicard BEVT-22A23T0 STN BSQ Battery FRU ListCategory Partname Description Adapter Cables Category Partname Description Power Cordeu 1.8M ZR1 Power Power Cord US 3PIN Rohs ZB1 PWR Cord USPIN Brazil 3P S/P Power Cord UK 3PIN ET2S Power Cord S/P-UK Power Cord Italian 3PIN EI2 Power Cord CPU/Processor Category Partname Description Case/Cover/Bracket/Assembly HDD/Hard Disk Drive Category Partname Description DVD RW Drive MK3265GSX-EUL MK3265GSX Sata 8MB LF F WD3200BEVTML320M,WD Sata 8MB LF F BEVT-22A0RT0 S.P MK5065GSX-EUL BS, 320G/P Sata 8MB LF F Category Partname Description Keyboard ZQ1 K/BSWEDISH ZQ1 K/BSPANISHZQ1 K/BSWISS ZQ1 K/BTHAI S.P Category Partname Description LCD Module Category Partname Description Mainboard MB AMD UMA W/CARD ZQ2BReader W/O CPU MBAMD,UMA,W/O CPUS.P MB AMD Park W/CARD ZQ2B Category Partname Description Memory Miscellaneous Category Partname Description Heatsink Part Name Description Screw List Appendix a Aspire 4625/4625GModel Country Acer Description AS4625G-N834G64Mn W7HP64ATSG1 MC S2.PSS0 Acla LX.PSS0 Model Country Acer Part No BOM Name VGA ChipParkxt LX.PSH02.024 AS4625GPARKXT512 APP920 UMA Acla SO2GBIII10 Model Country Acer Part NoSO2GBIII10 SO4GBIII10 SO1GBIII10 SO2GBIII10 SO4GBIII10 SO2GBIII10 SO1GBIII10SO2GBIII10 SO1GBIII10 NSM8XS9.5 HDD 1GB ODD AS4625G-P922G50Mn AS4625-N834G32Mn Singapore LX.PSS02.016 N320GB5.4KS Appendix B Test Compatible Components Microsoft Windows 7 Environment Test Vendor Type Description CoverAudio Codec Vendor Type Description Digi LF F/WGJ002J Digi22A0RT0, ML320M,WD Sata 8MB LF F Hgst SG CMO NLED14WXGAGAUO SO2GBIII13 NB Chipset ModemSB Chipset Side Port Wireless LAN WiFi Antenna 164 Appendix C Online Support Information 166 Index 168