Acer 250 manual Machine Disassembly and Replacement

Page 57

Chapter 3

Machine Disassembly and Replacement

This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting.

To disassemble the computer, you need the following tools:

Wrist grounding strap and conductive mat for preventing electrostatic discharge Flat-bladed screw driver

Phillips screw driver Tweezers

Plastic Flat-bladed screw driver

Hexed Screw Driver

NOTE: The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding components to avoid mismatch when putting back the components.

Chapter 3

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Contents Acer TravelMate 240/250 Series Revision History Date Chapter UpdatesDisclaimer CopyrightScreen messages ConventionsPreface Page Table of Contents Appendix C Online Support Information 146 Index 148 Table of Contents System Introduction FeaturesDisplay ICH4-M System Block DiagramTop View Board LayoutBottom View Front Panel PanelLeft Panel DescriptionIcon Item/ Port Description Icon Item/ Port Description Right Panel Icon Port Description Rear PanelBottom Panel Icon Function Description IndicatorsUnderstanding the icons Keyboard Special keysLock key Description Keys Description Desired access Num lock on Num lock offHot Keys Click on the language tab and click on Details Launch Keys System Board Major Chips Hardware Specifications and ConfigurationsProcessor for TravelMate Second Level CacheMemory Combinations System Memory0MB DDR-DRAMModem Interface LAN InterfaceFloppy Disk Drive Interface MFMItems Specification Hard Disk Drive InterfaceCD-ROM Interface DVD-ROM Interface IDEDVD-9/DVD-R Combo Drive Interface Video Interface Audio InterfaceVideo Memory 8MBParallel Port Video Resolutions ModeUSB Port Pcmcia PortDC-DC/Charger Converter BatteryAPI SimploAC Adapter DC-AC LCD InverterTX38D85VC1CAB TFTPower Saving Mode Phenomenon Standby Mode Power ManagementHibernation Mode System Hibernation timer expiresMechanical Specification Environmental RequirementsMemory Address Map FEBFFC00-FEBFFFFF Address MapFEC10000-FEC1FFFF FF000000-FFFFFFFFAddress Map DMA Channel Assignment IRQ Assignment MapInterrupt Channel Function DMA Channel FunctionSystem Utilities Bios Setup UtilityNavigating the Bios Utility Parameter Description InformationMain Parameter Description Format/Option Parameter Description Options AdvancedIRQ7/IRQ5 DMA3/DMA1Security Parameter Description Option Clear or SetRemoving a Password Chapter Boot Exit System Diagnostic Diskette Bios Flash UtilityChapter Machine Disassembly and Replacement Before You Begin General InformationHDD Disassembly Procedure FlowchartScrew List Removing the Battery Removing the Memory Module Removing the Modem Board Disassembling the Hard Disk Drive Module Removing the Hard Disk Drive ModuleRemoving the LCD Module Removing the Middle CoverRemoving the Launch Board Removing the LCD Module Chapter Disassembling the LCD Module Removing the LCD BezelRemoving the Inverter Board 15 LCD Removing the LCD Brackets Removing the 15 TFT LCDRemoving the LCD Hinges Removing the LCD Coaxial CablePage Disassembling the Main Unit Removing the RTC BatteryRemoving the Keyboard Removing the MimiPCI Card PlateRemoving the Processor Removing the Thermal ModuleRemoving the Upper Case Assemly Installing the ProcessorRemoving the Touchpad Cable Removing the Touchpad BoardDissembling the Floppy Disk Drive Module Removing the Floppy Disk Drive ModuleRemoving the CPU Heatsink Plate Removing the VGA Heatsink PlateRemoving the ODD Module1 Removing the ODD Module2Removing the HDD Bracket Removing the DC Board Removing the Main BoardRemoving the Pcmcia Slot Removing the I/O Port BracketRemoving the Speaker Set Base Unit to Wireless Unit System Upgrade ProcedureInstalling the DC Board Installing the Speaker SetInstalling the Pcmcia Slot Installing the Main BoardInstalling the ODD Module Installing the HDD BracketInstalling the VGA Heatsink Plate Installing the CPU Heatsink PlateInstalling the Floppy Disk Drive Module Installing the Touchpad CableInstalling the Touchpad Board Installing the Upper Case Assemly Installing the Thermal Module Installing the MimiPCI Card Plate Installing the Keyboard Installing the RTC BatteryPage Installing the LCD Coaxial Cable Installing the LCD HingesInstalling the LCD Brackets Assembling the LCD ModuleInstalling the Inverter Board 15 LCD Installing the 15 TFT LCDInstalling the LCD Bezel Page Installing the LCD Module Installing the LCD ModuleInstalling the Launch Board Installing the Middle Cover TravelMate 240 Installing the Hard Disk Drive Module Removing the Modem Board Installing the Memory Module Installing the Battery Symptoms Verified Go To TroubleshootingExternal Diskette Drive Check System Check ProceduresExternal CD-ROM Drive Check Keyboard or Auxiliary Input Device CheckMemory check Power System CheckCheck the Power Adapter Touchpad Check Check the Battery PackPower-On Self-Test Post Error Message Error Code List Index of Error MessagesError Message List Error Codes Error MessagesCPU ID Cmos DimmCRT No beep Error Messages FRU/Action in SequenceCode Beeps Post Routine Description Post CodesChapter 104 Code Beeps Post Routine Description Code Beeps For Boot Block in Flash ROM LCD-Related Symptoms Index of Symptom-to-FRU Error MessageIndicator-Related Symptoms Power-Related SymptomsMemory-Related Symptoms PCMCIA-Related SymptomsSpeaker-Related Symptoms Power Management-Related SymptomsPeripheral-Related Symptoms Keyboard/Touchpad-Related SymptomsModem-Related Symptoms Intermittent Problems Dimm Undetermined ProblemsJumper and Connector Locations FAN1 LIN1LOUT1 SW1 RJ1SW1 Settings 115 TravelMate 240 FRU Field Replaceable Unit List TravelMate 240/250 Exploded Diagram Battery Module LI-ION 8CELL RTC BatteryMAH Simplo W/ Cover Battery LI-ION 8CELL 2.0 MAH Wireless LAN Board 802.11BLaunch Board Cover Switch CableModem Board 56K Ambit Touchpad CableHinge CAP Left Switch Cable & Touchpad ModuleOptical Drive Support Bracket HDD BracketBlack Wireless Antenna Left Wireless Antenna RightTouchpad Cover Middle Cove W/LAUNCHFDD Module 1.44M Mitsumi FDD Module 1.44M MCI JUFDD Drive 1.44M MCI JU FDD Drive 1.44M MitsumiToshiba Neptune MK4021GAS Moraga IC25N040ATMR04-0Seagate ST94011A Fujitsu V-40 MHT2040ATNSK-AC61D US-INT Keyboard 84KEY Darfon Keyboard 84KEY DarfonNSK-AC602 Taiwan Keyboard 85KEY Darfon NSK-AC60S Spanish Keyboard 84KEY DarfonInverter Cable Modem & Modem Cable Pcmcia Slot & RTC BatteryLCD Coaxial Cable LCD Panel W/HINGE & LogoLCD Screw Rubber Upper Touchpad KnobLCD Screw Rubber Lower Rubber FootMocron MT8VDDT3264HDG Elpedia W30256AAEPI652A Memory DDR333 256MBMemory DDR333 512MB Infineon HYS64D64020GBDL-6Chapter 128 129 TravelMate 240/250 Model Name Definition Battery Wireless NumberModel Memory131 TravelMate 240 Test Compatible Components Specifications Microsoft Windows XP Environment TestXGA TFT QSI SBW-242 Simplo BTP-58A1 Assy BTY PK LI+2.0MAH 8C OptionIsdn Pcmcia Pcmcia ATA PCMCIA-SCSI Pcmcia USBMicrosoft Windows 2000 Environment Test Appendix B 138 139 TravelMate 240/250 Appendix B 140 Microsoft Windows 98 Environment Test Appendix B 142 143 TravelMate 240/250 Appendix B 144 145 TravelMate 240/250 Online Support Information 147 Index Pcmcia Windows 98 Environment Test Index 150

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