Removing the CPU | Panasonic 5741G specification

Removing the CPU

IMPORTANT: The pins on the underside of the CPU are very delicate. If they are damaged, the CPU may malfunction. Place the CPU on a clean, dry surface when it is not installed.

1.See “Removing the Thermal Module” on page 75.

2.Using a flat-bladed screw driver, rotate the CPU locking screw 180° counter-clockwise as shown.

3.Lift the CPU clear of the socket as shown.

Chapter 3

77

Image 87

Panasonic 5741G manual Removing the CPU

Contents

Aspire 5741/5741G Series Service Guide Revision History III Copyright Conventions Preface Page Table of Contents Viii Troubleshooting 129 Aspire Aspire 5741GMicrosoft Windows 7 Environment Test Table of Contents Chapter Features Optical Media Drive Storage subsystemAudio Storage Special keys and controls Dimensions and weightPower subsystem Privacy control Environment WarrantySoftware Optional Items System Block Diagram HDD Your Acer Notebook tourFront View Icon Description Left View Closed Front View Hdmi Right View Indicators Bottom ViewIcon Function Description Function Left Button Right Button Main TouchPad TouchPad Basics Using the Keyboard Lock Keys and embedded numeric keypadLock key Description Key Description Windows Keys Hotkey Icon Function Description Hot Keys Core Bus Cache Package Acer P/N Speed Size Voltage Hardware Specifications and ConfigurationsSpecification CPU System Memory Specification Fan Acoustic Specifications Operation ApplicationLoudness Sone Tone dB Mode DBA Bios Onboard LAN Specification Memory Combinations Slot Total Memory0MB Super-Multi Drive Module Hard Disk Drive Interface Specification Power and Keyboard Controller Specification Audio Interface Specification SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009A Battery Specification Cell LCD Specification Card Reader SpecificationLvds Navigating the Bios Utility Bios Setup Utility Uuid Aspire 5741/5741G BiosInformation Parameter Description Main Parameter Description Format/OptionGraphics Clear or Set Disabled orSecurity Parameter Description Option Removing a Password Setting a Password Continue Changing a Password USB Cdrom Boot Exit Exit Saving Changes Exit Bios Flash Utilities USB HDD DOS Flash UtilityPage WinFlash Utility UnlockHD Remove HDD/BIOS Password UtilitiesRemove HDD Password Password Cleaning Bios Passwords Removing Bios Passwords Using Boot Sequence Selector Using DMITools InputOutput Using the LAN MAC Eeprom Utility Chapter Disassembly Requirements Machine Disassembly and Replacement Pre-disassembly Instructions Main Screw List Quantity Part Number Disassembly Process 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 ODD Module M2.5*8 Removing the Optical Drive Module Step Size Quantity Screw Type ODD Bracket M2*3 Step Size Quantity Screw Type Logic lower door M2.5*8 Removing the Logic Lower Door Step Size Quantity Screw Type 3G Cover M2.5*8 Removing the 3G Cover Removing the Dimm Module Step Size Quantity Screw Type Wlan Module M2*3 Removing the Wlan Module Detach the Wlan Board from the Wlan socket Chapter Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Carrier M3*3 Main Unit Disassembly Flowchart Main Unit Disassembly Process Removing the Keyboard Chapter Step Size Quantity Screw Type Removing the Upper Cover Chapter Release the locking latch on a Disconnect a as shown Step Size Quantity Screw Type Upper Cover M2.5*5 Removing the Left Speaker Module Lift the Speaker clear of the Upper Cover Removing the Right Speaker Module Lift the Right Speaker Module clear of the device Step Size Quantity Screw Type Power board M2*3 Removing the Power Board Removing the TouchPad Bracket Step Size Quantity Screw Type TouchPad Bracket M2*3 Step Size Quantity Screw Type Card Reader M2*3 Removing the Card Reader Board USB Removing the USB Board Removing the Bluetooth Board Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*5 Page Chapter Step Size Quantity Screw Type Thermal Module M1.98*3 Removing the Thermal Module Carefully lift the Thermal Module clear of the Mainboard Removing the CPU LCD Module Disassembly Flowchart LCD Module Disassembly Process Removing the LCD Assembly Chapter Step Size Quantity Screw Type LCD assembly M2.5*8 Step Size Quantity Screw Type LCD Bezel M2.5*6 Removing the LCD Bezel Removing the Camera Module Step Size Quantity Screw Type LCD Panel M2.5*6 Removing the LCD Panel Lift the LCD Panel clear of the module Chapter Step Size Quantity Screw Type LCD Brackets M2*3 Removing the LCD Brackets and FPC CablePage Disconnect the Lvds cable from the panel Removing the Microphone Cable Lift the microphone set clear of the panel Removing the Antennas Chapter Replacing the Antennas LCD Module Reassembly Procedure Chapter Replacing the Microphone Cable Replacing the LCD Brackets and FPC Cable Page Replacing the LCD Panel Place the Camera in the module Connect the camera cable Replacing the Camera Module Replacing the LCD Bezel Replacing the LCD Assembly 102 Chapter Page Replacing the CPU Main Module Reassembly Procedure Replacing the Thermal Module Replacing the Mainboard Page 108 Chapter Replacing the Bluetooth Board Replacing the USB Board Replacing the Card Reader Board Replacing the TouchPad Bracket Page Replacing the Power Board Replacing the Right Speaker Module Replacing the Left Speaker Module Replacing the Upper Cover 118 Chapter Connect B as shown Connect a as shown Replacing the Keyboard Replacing the Hard Disk Drive Module Replacing the Wlan Module Replacing the Dimm Modules Replacing the 3G Cover Replacing the Logic Lower Door Replacing the ODD Module Replacing the SD Dummy Card Replacing the Battery 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 Post Code Range Phase Peienterrecoverymode PEI Peicpuhtreset PEIPeimemoryinstall PEI Peiswitchstack PEI Dxetcgdxe DXE DXECF9RESETDxesmmaccess DXE Dxesmarttimerinit DXE Bdsendofbootselection BDS Bdsinstallhotkey BDSBdsbeforepciioinstall BDS Bdsenumerateallbootoption BDS Fast Recovery Start Flash Bdsrecoverystartflash BDS Smmacpidisableend SMM Smmacpidisablestart SMM JUSB2 Top ViewSW2/SW3 JTP1 JDIMM2 JHP1JBT1 JDIMM1 Description Power BoardUSB Connector USB/B Board 3G/B Board CR/B BoardJREAD1 Clear Cmos Jumper Clearing Password Check and Bios RecoveryClearing Password Check Steps for Clearing Bios Password Check Steps for Bios Recovery from USB Storage Bios Recovery by Crisis DiskBios Recovery Boot Block Bios Recovery Hotkey FRU Field Replaceable Unit List Aspire 5741/5741G Exploded Diagrams Main AssemblyDescription Acer P/N TBD Upper Assembly AUX LCD AssemblyAntenna Wlan Main Description Acer P/N LCD Cover 60.PSV02.003 Board Aspire 5741/5741G FRU ListCategory Acer Description AcerPN CASE/COVER/BRACKET Assembly Keyboard LCD Miscellaneous MainboardHeatsink Speaker CPU/PROCESSOR LCD PanelHDD/HARD Disk Drive Memory BatteryDVD RW Drive BD Combo Drive Adapter Adapter Hipro 65W 19V 1.7X5.5X11 Yellow HPAdapter Hipro 90W 19V 1.7X5.5X11 Blue HP Screw List Category DescriptionScrew Chapter 169 Appendix a Model Definition and Configuration Emea AspireModel Acer Part No Country Description AAP TWN Gctwn China AS5741 LX.PSV02.053 AS5741 LX.PSV02.038 USA Model Acer Part No CPU LCD VGA VramMemory Chip 433G25Mn AS5741 LX.PSV02.05 AS5741 LX.PSV02.02 1GB 2GB Processor Model Acer Part No MemoryHDD ODD Media AS5741 LX.PSV02.089 N320GB5 AS5741 LX.PSV02.067 N640GB5 AS5741 LX.PSV02.047 N320GB5 AS5741 LX.PSV02.023 N320GB5 Voip SW1LAN1 187 SW1 189 Voip W7HP64ATDE1 MC Aspire 5741GW7HP64ATFR1 MC W7HP64ATES1 MC W7HB64SCATCN1 MC W7HP64ATGR1 MCW7HP64KATKR1 MC W7HP64ATPL1 MC W7HP64ATTW1 MC W7HP64ATNL1 MCW7HP64ATLU3 MC W7HP64ATBE1 MC W7HP64ATEU5 MC W7HP64ATEU7 MCW7HP64ATSG1 MC W7HP64EMATME2 MC W7HP64RUATUK1 MCW7HP64RUATRU1 MC W7HP64EMATME4 MC W7HP64EMATME6 MC W7HP64EMATDZ1 MCW7HP64EMATZA1 MC W7HP64EMATME3 MC W7HP64ATBC4 MC W7HP64ATGB1 MCW7HP64ATHU1 MC W7HP64ATCZ2 MC W7HP64ATCH1 MC W7HP64ATBC3 MCW7HP64ATCS1 MC W7HP64ATEU4 MC W7HP64AWW1 MC AS5741G LX.PSZ02.061 AS5741G LX.PSZ02.053 AS5741G LX.PSZ02.043 AS5741G LX.PSZ02.030 W7HP64ATHK2 MC N11PG 1G-DDR3 SO4GBI SO2GBIII N11PG 1G-DDR3 SO2GBI SO2GBIIIWxgag V2H N11PG 1G-DDR3 SO2GBI SO1GBIII N11PG 1G-DDR3 SO2GBI N11PG 1G-DDR3 SO4GBI 64*16*8 II10 AS5741G LX.PTD02.030 Wxgag DDR3 N11PG 1G-DDR3 SO1GBI SO1GBIIIPark SO2GBI SO2GBIII SO1GBI SO2GBIII AS5741G LX.PSZ02.048 II10 32*16*8 AS5741G LX.PSZ02.030 II10 32*16*8 AS5741G LX.PSZ02.013 NBDCB4XS HDD 1GB ODD AS5741G LX.PTD02.067 333G32Mn AS5741G LX.PTD02.045 333G32Mn AS5741G LX.PTD02.021 334G50Mn AS5741G LX.PSZ0C.009 334G64Mn AS5741G LX.PSZ01.001 334G32Mn AS5741G LX.PSZ02.027 Model Acer Part No Media Extra Card Wireless Bluetooth PhoneLX.PTD0C.0 SW1 223 Voip LX.PSZ0C.0 AS5741G LX.PSZ02.05 McAfee 3rd WiFi 333G32Mn Build 2x2 BGN 227 Voip Appendix B Test Compatible Components RAM Sodimm DDR3-2G Microsoft Windows 7 Environment TestVendor Type Description RAM Sodimm DDR3-1G LCD N15.6WXGAG LCD NLED15.6WXGAGHDD VGA ChiP AdaPter Power CordBattery NB ChiPset Hinge Touch Pad 3G card NEW80LCDBRKR156ASSY AssyNEW80LCDBRKR156ASSY Assy Chaoli NEW90LCDBRKR156ASSY Assy Antenna Wlan Card DC-IN Jack Wire SetBlue Tooth Camera Cmos Conn SET 0C9 LED LCD W/O Camera MEC Conn SET 0C9LED LCD-M/B W Conn SET 0C9 LED LCD-M/B W/O Camera MEC Inverter FFC Thermal Module UMA SPeaker Core Logic 242 Appendix C Online Support Information 244 Index Removing 68, 69, 70 247 248