Wireless Function Failure, Thermal Unit Failure | Panasonic 5741

Wireless Function Failure

If the WLAN fails, perform the following actions one at a time to correct the problem. Do not replace a non- defective FRUs:

Thermal Unit Failure

If the Thermal Unit fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs:

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Chapter 4

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Panasonic 5741G manual Wireless Function Failure, Thermal Unit Failure

Contents

Aspire 5741/5741G Series Service Guide Revision History Copyright III Conventions Preface Page Table of Contents Troubleshooting 129 Viii Aspire Aspire 5741GMicrosoft Windows 7 Environment Test Table of Contents Features Chapter Storage Storage subsystemAudio Optical Media Drive Privacy control Dimensions and weightPower subsystem Special keys and controls Optional Items WarrantySoftware Environment System Block Diagram Icon Description Your Acer Notebook tourFront View HDD Closed Front View Left View Right View Hdmi Indicators Bottom ViewIcon Function Description TouchPad Basics Function Left Button Right Button Main TouchPad Using the Keyboard Lock Keys and embedded numeric keypadLock key Description Windows Keys Key Description Hot Keys Hotkey Icon Function Description CPU Hardware Specifications and ConfigurationsSpecification Core Bus Cache Package Acer P/N Speed Size Voltage Bios Fan Acoustic Specifications Operation ApplicationLoudness Sone Tone dB Mode DBA System Memory Specification Onboard LAN Specification Memory Combinations Slot Total Memory0MB Hard Disk Drive Interface Specification Super-Multi Drive Module Audio Interface Specification Power and Keyboard Controller Specification Battery Specification Cell SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009A LCD Specification Card Reader SpecificationLvds Bios Setup Utility Navigating the Bios Utility Parameter Description Aspire 5741/5741G BiosInformation Uuid Main Parameter Description Format/OptionGraphics Parameter Description Option Disabled orSecurity Clear or Set Setting a Password Removing a Password Changing a Password Continue Boot USB Cdrom Exit Exit Exit Saving Changes Bios Flash Utilities DOS Flash Utility USB HDDPage WinFlash Utility Password Remove HDD/BIOS Password UtilitiesRemove HDD Password UnlockHD Removing Bios Passwords Cleaning Bios Passwords Using Boot Sequence Selector Using DMITools InputOutput Using the LAN MAC Eeprom Utility Chapter Machine Disassembly and Replacement Disassembly Requirements Pre-disassembly Instructions Disassembly Process 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 Removing the Optical Drive Module Step Size Quantity Screw Type ODD Module M2.5*8 Step Size Quantity Screw Type ODD Bracket M2*3 Removing the Logic Lower Door Step Size Quantity Screw Type Logic lower door M2.5*8 Removing the 3G Cover Step Size Quantity Screw Type 3G Cover M2.5*8 Removing the Dimm Module Removing the Wlan Module Step Size Quantity Screw Type Wlan Module M2*3 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 Process Main Unit Disassembly Flowchart Removing the Keyboard Chapter Removing the Upper Cover Step Size Quantity Screw Type 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 Removing the Power Board Step Size Quantity Screw Type Power board M2*3 Removing the TouchPad Bracket Step Size Quantity Screw Type TouchPad Bracket M2*3 Removing the Card Reader Board Step Size Quantity Screw Type Card Reader M2*3 Removing the USB Board USB Removing the Bluetooth Board Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*5 Page Chapter Removing the Thermal Module Step Size Quantity Screw Type Thermal Module M1.98*3 Carefully lift the Thermal Module clear of the Mainboard Removing the CPU LCD Module Disassembly Process LCD Module Disassembly Flowchart Removing the LCD Assembly Chapter Step Size Quantity Screw Type LCD assembly M2.5*8 Removing the LCD Bezel Step Size Quantity Screw Type LCD Bezel M2.5*6 Removing the Camera Module Removing the LCD Panel Step Size Quantity Screw Type LCD Panel M2.5*6 Lift the LCD Panel clear of the module Chapter Removing the LCD Brackets and FPC Cable Step Size Quantity Screw Type LCD Brackets M2*3Page Disconnect the Lvds cable from the panel Removing the Microphone Cable Lift the microphone set clear of the panel Removing the Antennas Chapter LCD Module Reassembly Procedure Replacing the Antennas Chapter Replacing the Microphone Cable Replacing the LCD Brackets and FPC Cable Page Replacing the LCD Panel Replacing the Camera Module Place the Camera in the module Connect the camera cable Replacing the LCD Bezel Replacing the LCD Assembly 102 Chapter Page Main Module Reassembly Procedure Replacing the CPU 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 Common Problems Symptoms Verified Go To Power On Issue Computer Shutsdown Intermittently No Display Issue No Post or Video Random Loss of Bios Settings Abnormal Video Display LCD Failure Built-In Keyboard Failure TouchPad Failure Internal Speaker Failure Sound Problems Microphone ProblemsSelect Set up microphone HDD Not Operating Correctly Select Repair your computerSelect Startup Repair ODD Failure ODD Not Operating Correctly Discs Do Not Play Drive Not Detected Wireless Function Failure Thermal Unit Failure External Mouse Failure Other Failures Intermittent Problems Undetermined ProblemsDimm Post Code Range Phase Post Codes Peiswitchstack PEI Peicpuhtreset PEIPeimemoryinstall PEI Peienterrecoverymode PEI Dxesmarttimerinit DXE DXECF9RESETDxesmmaccess DXE Dxetcgdxe DXE Bdsenumerateallbootoption BDS Bdsinstallhotkey BDSBdsbeforepciioinstall BDS Bdsendofbootselection BDS Bdsrecoverystartflash BDS Fast Recovery Start Flash Smmacpidisablestart SMM Smmacpidisableend SMM JTP1 Top ViewSW2/SW3 JUSB2 JDIMM1 JHP1JBT1 JDIMM2 USB/B Board Power BoardUSB Connector Description 3G/B Board CR/B BoardJREAD1 Steps for Clearing Bios Password Check Clearing Password Check and Bios RecoveryClearing Password Check Clear Cmos Jumper Bios Recovery Hotkey Bios Recovery by Crisis DiskBios Recovery Boot Block Steps for Bios Recovery from USB Storage FRU Field Replaceable Unit List Aspire 5741/5741G Exploded Diagrams Main AssemblyDescription Acer P/N Upper Assembly TBD Main LCD AssemblyAntenna Wlan AUX Description Acer P/N LCD Cover 60.PSV02.003 Acer Description AcerPN Aspire 5741/5741G FRU ListCategory Board CASE/COVER/BRACKET Assembly Keyboard LCD Speaker MainboardHeatsink Miscellaneous CPU/PROCESSOR LCD PanelHDD/HARD Disk Drive BD Combo Drive BatteryDVD RW Drive Memory Adapter Adapter Hipro 65W 19V 1.7X5.5X11 Yellow HPAdapter Hipro 90W 19V 1.7X5.5X11 Blue HP Screw List Category DescriptionScrew Chapter 169 Model Definition and Configuration Appendix a AAP AspireModel Acer Part No Country Description Emea 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 Media Model Acer Part No MemoryHDD ODD 1GB 2GB Processor 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 W7HP64ATES1 MC Aspire 5741GW7HP64ATFR1 MC W7HP64ATDE1 MC W7HP64ATPL1 MC W7HP64ATGR1 MCW7HP64KATKR1 MC W7HB64SCATCN1 MC W7HP64ATBE1 MC W7HP64ATNL1 MCW7HP64ATLU3 MC W7HP64ATTW1 MC W7HP64ATEU5 MC W7HP64ATEU7 MCW7HP64ATSG1 MC W7HP64EMATME4 MC W7HP64RUATUK1 MCW7HP64RUATRU1 MC W7HP64EMATME2 MC W7HP64EMATME3 MC W7HP64EMATDZ1 MCW7HP64EMATZA1 MC W7HP64EMATME6 MC W7HP64ATCZ2 MC W7HP64ATGB1 MCW7HP64ATHU1 MC W7HP64ATBC4 MC W7HP64ATEU4 MC W7HP64ATBC3 MCW7HP64ATCS1 MC W7HP64ATCH1 MC W7HP64AWW1 MC AS5741G LX.PSZ02.061 AS5741G LX.PSZ02.053 AS5741G LX.PSZ02.043 AS5741G LX.PSZ02.030 W7HP64ATHK2 MC N11PG 1G-DDR3 SO2GBI SO1GBIII N11PG 1G-DDR3 SO2GBI SO2GBIIIWxgag V2H N11PG 1G-DDR3 SO4GBI SO2GBIII N11PG 1G-DDR3 SO2GBI N11PG 1G-DDR3 SO4GBI 64*16*8 II10 AS5741G LX.PTD02.030 SO2GBI SO2GBIII N11PG 1G-DDR3 SO1GBI SO1GBIIIPark Wxgag DDR3 SO1GBI SO2GBIII AS5741G LX.PSZ02.048 II10 32*16*8 AS5741G LX.PSZ02.030 II10 32*16*8 AS5741G LX.PSZ02.013 HDD 1GB ODD NBDCB4XS 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 Test Compatible Components Appendix B RAM Sodimm DDR3-1G Microsoft Windows 7 Environment TestVendor Type Description RAM Sodimm DDR3-2G LCD N15.6WXGAG LCD NLED15.6WXGAGHDD VGA ChiP NB ChiPset Power CordBattery AdaPter Touch Pad Hinge NEW90LCDBRKR156ASSY Assy NEW80LCDBRKR156ASSY AssyNEW80LCDBRKR156ASSY Assy Chaoli 3G card Wlan Card Antenna Camera Wire SetBlue Tooth DC-IN Jack Conn SET 0C9 LED LCD-M/B W/O Camera MEC Conn SET 0C9LED LCD-M/B W Cmos Conn SET 0C9 LED LCD W/O Camera MEC FFC Inverter SPeaker Thermal Module UMA Core Logic 242 Online Support Information Appendix C 244 Index Removing 68, 69, 70 247 248