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Aspire Digital 4625 Main Unit Disassembly Process, Main Unit Disassembly Flowchart, Screw List

Models: 4625G 4625

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Main Unit Disassembly Process

Main Unit Disassembly Flowchart

Remove external modules before proceeding

Remove keyboard

Remove upper cover

Remove CRT Cable

Remove USB Board

Remove Bluetooth

Module

Remove Function

Board

Remove Power Switch

Board

Remove main board

Remove LCD module

Remove PCH

Heatsink

Remove thermal

module

Remove RTC Battery

Remove CPU

Screw List

Step	Screw	Quantity	Part No.

Lower Cover	M2.5*6.5	11	86.ARE07.001

	M2.5*4	2	86.PSR07.001

	M2.0*6	2	86.S6507.001

	M2.0*3widehead	4	86.ARE07.002

Upper Cover	M2.5*4	5	86.PSR07.001

	M2.0*3widehead	2	86.ARE07.002

Function Board	M2.0*3widehead	2	86.ARE07.002

Power Switch	M2.0*3widehead	2	86.ARE07.002
Board

USB Board	M2.5*4	1	86.PSR07.001

Mainboard	M2.5*4	3	86.PSR07.001

Chapter 3

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Aspire Digital 4625G manual Main Unit Disassembly Process, Main Unit Disassembly Flowchart, Screw List, Step, Quantity

Contents

PRINTED IN TAIWAN Aspire 4625/4625G Series Service GuideChapter Revision HistoryUpdates DateDisclaimer CopyrightSCREEN MESSAGES ConventionsPreface Page System Utilities Table of ContentsSystem Specifications Machine Disassembly and ReplacementTroubleshooting Table of ContentsJumper and Connector Locations Table of ContentsTable of Contents Operating System System SpecificationsFeatures ChapterOptical Drive Dimensions and weightAudio StorageSoftware Power adapter and batterySpecial keys and controls I/O interfaceOptional Items Temperature Operating 41 F to 95 F 5 C to 35 C WarrantyEnvironment One-year International Travellers Warranty ITWChapter System Block DiagramAMD Champlain NORTH BRIDGEDescription Your Acer Aspire Notebook tourFront View IconDescription IconDescription Closed Front ViewLeft View IconDescription Right ViewBottom View IconIcon IndicatorsIcon DescriptionRight Button TouchPad BasicsFunction Left ButtonLock key Using the KeyboardLock Keys and embedded numeric keypad Desired accessDescription Windows KeysFunction Hot KeysHotkey IconSkew Comparison Hardware Specifications and ConfigurationsPart Part SpecificationProcessor Specifications CPU Fan True Value Table Performance ModeSpecification CPU Fan True Value Table Power Saving ModeBIOS SpecificationSlot SpecificationSpecification Memory CombinationsBluetooth Wireless ModuleSpecification SpecificationHard Disk Drive Interface SpecificationSuper-Multi Drive Module SpecificationSpecification SpecificationSpecification BatterySpecification SpecificationSystem LED Indicator SpecificationSpecification LCD Display Supported ResolutionResolution SpecificationCard Reader SpecificationSpecification SpecificationSuspend System Power ManagementInitial StandbyChapter Chapter BIOS Setup UtilityNavigating the BIOS Utility System UtilitiesF5/F6 Aspire JV41 BIOSInformation ExitExit MainBoot SecurityMain SecurityBoot InformationConfirm New Password Setting a PasswordRemoving a Password Set Supervisor PasswordSecurity BootBoot Information MainSecurity ExitBoot InformationBIOS Flash Utilities Security DOS Flash UtilityBoot Information Main1. Double-click the WinFlash executable WinFlash Utility2. Click OK to begin the update. A progress screen displays Perform the following steps to use the WinFlash UtilityRemove HDD Password Remove HDD/BIOS Password UtilitiesRemoving BIOS Passwords Chapter Chapter Clearing BIOS PasswordsUsing DMITools Using Boot Sequence SelectorUsing the LAN MAC EEPROM Utility Configuring UUID Values2. Run UUID.bat Disassembly Requirements Machine Disassembly and ReplacementChapter Main Screw List Pre-disassembly InstructionsDisassembly Process General InformationStep External Module Disassembly ProcessExternal Modules Disassembly Flowchart Screw ListPlease detach the battery and follow local regulations for disposal Removing the Battery PackChapter Chapter Removing the SD dummy card1. Push the SD dummy card all the way in to eject it 2. Pull it out from the slotQuantity Removing the Lower CoverStep SizeQuantity Removing the Optical Drive ModuleStep SizeScrew Type StepSize Quantity4. Repeat steps for the second DIMM module if present Removing the DIMM Modules1. See “Removing the Lower Cover” on page 3. Remove the DIMM moduleQuantity Removing the WLAN ModuleStep SizeChapter 4. Detach and remove the WLAN Board from the WLAN socketQuantity Removing the Hard Disk Drive ModuleStep SizeStep Main Unit Disassembly ProcessMain Unit Disassembly Flowchart Screw ListRemoving the Keyboard C D AB Removing the Upper Cover6. Release the locking latch and remove D as shown 3. Disconnect A as shown5. Release the locking latch and remove C as shown 4. Release the locking latch and remove B as shownScrew Type StepSize QuantityChapter Removing the Power Switch Board2. Locate the Power Switch Board in the Upper Cover 1. See “Removing the Upper Cover” on pageQuantity Removing the Function BoardStep SizeScrew Type StepSize QuantityQuantity Removing the USB BoardStep SizeSize Removing the Bluetooth ModuleBluetooth Board StepChapter Removing the LCD Module2. Disengage the WiFi antennas from the guides on the bottom cover 1. See “Removing the Upper Cover” on page5. Pull up on the LVDS cable to disconnect it from the mainboard 4. Peel back the adhesive holding the LVDS cableChapter Quantity 7. Remove the four securing screws two each side from the LCD moduleStep Size3. Disconnect the right speaker cable Removing the Mainboard1. See “Removing the Bluetooth Module” on page 2. See “Removing the LCD Module” on pageQuantity Removing the Thermal ModuleStep SizeScrew Type StepSize Quantity2. remove the two 2 screws from the PCH Thermal Module Removing the PCH Thermal ModuleRemoving the CPU 1. See “Removing the Mainboard” on pagePlease detach the mainboard and follow local regulations for disposal Removing the RTC BatteryStep LCD Module Disassembly ProcessLCD Module Disassembly Flowchart Screw ListQuantity Removing the LCD BezelStep SizeChapter Removing the Camera Module1. See “Removing the LCD Bezel” on page 2. Disconnect the camera cable 3. Remove the Camera from the moduleQuantity Removing the LCD PanelStep Size4. Remove the FPC cable from the panel Removing the FPC Cable5. Lift the LCD Panel clear of the module as shown 1. See “Removing the LCD Panel” on page3. Disengage the cable from the cable guides Removing the Microphone Module1. See “Removing the LCD Panel” on page 2. Remove the adhesive tape covering the microphone cable3. Disengage the right antenna cable from the guides Removing the Antennas1. See “Removing the LCD Panel” on page 2. Disengage the left antenna cable from the guidesQuantity Removing the HingesStep SizeReplacing the MIC and WiFi Antennas LCD Module Reassembly ProcedureChapter Replacing the FPC Cable6. Replace the adhesive tape onto the microphone cable 7. Ensure the antenna cables pass through the hinge well as shown4. Replace the four 4 securing screws to secure the LCD Panel Replacing the LCD Panel2. Press down on the adhesive tape to secure the FPC cable in place 3. Place the LCD Panel into the module as shownChapter Replacing the Webcam1. Place the camera in the LCD Module 2. Connect the cable to the camera moduleReplacing the LCD Bezel CPU Pin1 Locator Main Module Reassembly ProcedureReplacing the RTC Battery Replacing the CPUReplacing the Thermal Module Chapter Replacing the PCH Thermal Module1. Replace the PCH Thermal Module onto the Mainboard 2. Replace the two 2 screws to secure the PCH Thermal ModulePage Chapter Replacing the LCD Module1. Replace the LCD module onto the chassis 2. Replace the four securing screws two each side to the LCD modulecover 6. Replace the WLAN cables into the cable guides 4. Snap the FPC cable into place 5. Connect the right speaker cableChapter Chapter 8. Insert the WLAN cables into the cable guides as shownChapter Replacing the Bluetooth Module2. Secure the Bluetooth module in place using the one 1 screw 1. Connect the Bluetooth cable to the MainboardChapter Replacing the USB Board1. Replace the USB Board in the Lower Cover 4. Replace the single securing screwReplacing the Function Board Replacing the Power Switch BoardChapter Replacing the Upper Cover1. Place the Upper Cover on the Lower Cover back edge first 2. Lower the cover into position and press down the sides as shownChapter C D AB4. Replace the eight 8 securing screws as shown 5. Connect the four cables to the Mainboard as shown9. Insert D as shown and close the locking latch 6. Connect A as shown8. Insert C as shown and close the locking latch 7. Insert B as shown and close the locking latch3. Press down as indicated to secure the Keyboard in place Replacing the KeyboardChapter 4. Replace the single screw to secure the Module Replacing the ODD ModuleReplacing the Hard Disk Drive Module 2. Secure the ODD bracket with the two screws3. Slide the HDD to the right to connect the interface 2. Insert the HDD, left side first, and lower it into placeChapter 1. Insert the DIMM Module in place Replacing the WLAN BoardReplacing the DIMM Modules 1. Insert the WLAN board into the WLAN socketChapter Replacing the Lower Covers1. Replace the HDD Cover as shown 2. Secure the five captive screws to hold the covers in placeReplacing the Dummy Cards Replacing the Battery PackChapter TroubleshootingCommon Problems Symptoms VerifiedComputer Shutsdown Intermittently Power On IssueNo POST or Video No Display IssueAbnormal Video Display Random Loss of BIOS SettingsBuilt-In Keyboard Failure LCD FailureChapter Internal Speaker Failure TouchPad FailureMicrophone Problems Sound Problemsb. Select Set up microphone d. Select Repair your computer HDD Not Operating Correctlyg. Select Startup Repair ODD Not Operating Correctly ODD Failurea. Navigate to Start´ Control Panel´ Hardware and Sound´ AutoPlay Discs Do Not PlayDiscs Do Not Burn Properly Playback is ChoppyDrive Read Failure Drive Not DetectedThermal Unit Failure Wireless Function FailureOther Failures External Mouse FailureUndetermined Problems Intermittent ProblemsCode Post CodesCode POST Routine DescriptionCode CodeBeeps POST Routine DescriptionCode CodeBeeps POST Routine DescriptionPOST Routine Description For Boot Block in Flash ROMCode BeepsDescription Jumper and Connector LocationsTop View ChapterDescription Bottom ViewDescription Clear CMOS Jumper Clearing Password Check and BIOS RecoveryClearing Password Check Steps for Clearing BIOS Password CheckSteps for BIOS Recovery from USB Storage BIOS Recovery by Crisis DiskBIOS Recovery Boot Block BIOS Recovery HotkeyChapter FRU Field Replaceable Unit ListAcer P/N Aspire 4625/4625G Exploded DiagramsLCD Assembly DescriptionDescription Chassis AssemblyDescription Acer P/NAcer P/N DescriptionAcer P/N DescriptionPartname FRU ListBattery CategoryCables CategoryPartname DescriptionPartname CategoryDescription Description Case/Cover/Bracket/AssemblyCategory PartnameDVD RW Drive CategoryPartname DescriptionPartname CategoryDescription Keyboard CategoryPartname DescriptionPartname CategoryDescription LCD Module CategoryPartname DescriptionMainboard CategoryPartname DescriptionMemory CategoryPartname DescriptionHeatsink CategoryPartname DescriptionPart Name Screw ListDescription Model Model Definition and ConfigurationAppendix A Aspire 4625/4625GDescription ModelCountry AcerDescription ModelCountry AcerDescription ModelCountry AcerBOM Name ModelCountry Acer Part NoBOM Name ModelCountry Acer Part NoBOM Name ModelCountry Acer Part NoVRAM ModelCountry Acer Part NoVRAM ModelCountry Acer Part NoHDD 1GB ModelCountry Acer Part NoHDD 1GB ModelCountry Acer Part NoAppendix B Test Compatible ComponentsType Microsoft Windows 7 Environment TestBattery VendorType VendorDescription Keyboard VendorType DescriptionType VendorDescription Modem VendorType DescriptionType WiFi AntennaWireless LAN VendorAppendix B Appendix C Online Support InformationAppendix C Index