Acer 420 guide

22.Unscrew the two screws holding the main board to the main frame.

23.Remove main board from the main frame.

24.Remove the two screws holding the MDC card.

25.Disconnect the MDC card connector and modem wire. Then remove the MDC card.

26.Use a tool to release the MDC cable lock.

27.Then remove the MDC cable.

28.Remove the three holding the support bracket.

29.Remove the support bracket.

.

30.Unscrew the three screws that secure the upper case shielding.

31.Then remove the upper case shielding.

32.Disconnect the FFC then remove it.

Chapter 3

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Acer 420 manual

Contents

Part NO. VD.T19V5.001 Acer TravelMate 420 Series Revision History Date Chapter Updates Disclaimer Copyright Conventions Preface Page Table of Contents Chapter Jumper and Connector Locations Chpater TroubleshootingAppendix C Test Compatible Components 121 Chapter FeaturesWay scroll button Chapter Keyboard and Pointing Device One type II CardBus PC Card slots Upgradeable memory System Block Diagram Top View Board Layout FIR Bottom View Front View Outlook ViewIcon Description Chapter Left Panel Right Panel Rear Panel Bottom Panel Icon Function Description Indicators Lock Key Description Lock Keys Embedded Numeric Keypad Desired Access Num Lock On Num Lock Off Key Icon Description Windows Keys Hot Keys Chapter Click on Start, Settings, Control Panel Euro SymbolClick on the Language tab and click on Details Launch Keys Launch Key Default application Mail Detection Touchpad Basics TouchpadFunction Left Button Right Button Scroll Button Tap Function Left Button Right Button Scroll Button Tap Second Level Cache Hardware Specifications and ConfigurationsSpecification Processor Hard Disk Drive Interface Memory CombinationsLAN Interface Modem Interface IDE/ATAPI DVD-ROM Interface CD CD-DA, CD+EG, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, Mixed Vendor & model name Toshiba SD2212 Parallel Port Video Resolutions Mode for both LCD and CRTAudio Interface Video Interface Keyboard USB PortPcmcia Port System Board Major Chips TX38D91VC1FAC BatteryLCD Inverter Specification CPT CLAA141XF01 Duty Ton Period Electrical Characteristics Dacbrig 0 Electrical specificationThermal Dacbrig 0 V, PWM AC Adapter Environmental Requirements Power Management Address Map Mechanical SpecificationVGA Bios Memory Address Map Mobility Radeon IRQ Assignment Map IRQ14 DMA Channel AssignmentIRQ12 IRQ13 Chapter Navigating the Bios Utility Bios Setup Utility Chapter This menu provides you the information of the system InfoParameter Description Parameter Description Main Parameter Description Format/Option DMA1/ DMA3 System DevicesParameter Description Options DMA Oot Info Xit Security Parameter Description Option Clear or Set Removing a Password Page Boot Exit System Diagnostic Diskette Bios Flash UtilityPage Running Diagnostics Program Page Chapter Page Chapter Chapter Chapter Machine Disassembly and Replacement Before You Begin General Information Disassembly Procedure Flowchart Screw List Safety Screw M2.5X0.45+6FP-ZKNLScrew M2.0X0.4P+3FP-NI Removing the Battery Pack Slide the optical drive latch Then remove the optical drive Removing the Optical Module/HDD Module and Memory Removing the Keyboard Removing the Keyboard/ LCD Module and VGA Board Chapter Disassembling the Main Unit Chapter Page Chapter Page Disassembling the LCD Module Disassembling the HDD Module Disassembling the External Modules Chapter Symptoms Verified Go To Troubleshooting External Diskette Drive Check System Check ProceduresExternal CD-ROM/DVD-ROM Drive Check Keyboard or Auxiliary Input Device Check Memory Check Power System Check Check the Power Adapter Display Check Touchpad Check Sound Check Power-On Self-Test Post Error Message Setup Index of Error MessagesError Message List Error Messages FRU/Action in Sequence 02F0 CPU ID Power-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Indicator-Related Symptoms Power Management-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Speaker-Related Symptoms LCD FPC Peripheral-Related SymptomsKeyboard/Touchpad-Related Symptoms Modem-Related Symptoms Intermittent Problems Dimm Undetermined Problems Code Beeps Post Routine Description Post Task Routines Code Beeps Post Routine Description Chapter Code Beeps For Boot Block in Flash ROM Index of flashing Bios Error Message using PHLASH.EXE Index of Flash Bios Error MessageError Message Action in Sequence Chapter Top View Jumper and Connector Locations Power Button Onsystem on OFF System OFF SettingNone Stand by Hibernate Bottom View 100 Chapter FRU Field Replaceable Unit List Exploded Diagram Chapter 103 Logic UP Assy Wireless Chapter 105 DVD Assy CD-ROM Assy Chapter 107 Combo Assy UP Assy Logic Assywire Less BOARD-MDC Card Battery LI-ION 9 CELLS-PANASONICUP Assy Logic Assywire Less BOARD-TOUCHPAD Button Board UP Assy Logic Assywire Less BOARD-TOUCHPAD Chapter 109 Dimm Cover UP Assy Logic Assywire Less Support BracketUP Assy Logic Assywire Less Lower Case Chapter 111 IBM Cascade HDD 2.5 30G HDD ConnectorFDD FPC FDD Case FDD Mylar FDD Back Cover IBM Cascade HDD 2.5 20G Chapter 113 LCD Inverter LCD 15.0 XGA Hannstar HSD150PX14-ALCD 15 Sxga IBM ITSX95C LCD 15 Sxga Hitachi TX38D91VC1FAC Chapter 115 Combo DVD-ROM Drive 8X Hitachi GDR-8081N CD-ROM Drive 24X Teac CD-224E-C85ASSY, CD DVD-ROM Drive 8X Toshiba SR-C2612 ROM Assy DVD-ROM Drive 8X Liteon LSD-081 Chapter 117 TravelMate 420 Series Appendix aAppendix a 118 Appendix a Main Features Appendix a 120 Appendix B Test Compatible Components Microsoft Windows XP Home Environment Test Specifications Link HUB Appendix B 123USB JAZ 2GB USB HUB HP 10MB Appendix B 125 Microsoft Windows XP Pro Environment Test Pcmcia Appendix B 127 Microsoft Windows 2000 Environment Test 128 Appendix C Online Support Information 130 Core voltage 23 package 23 type Index Index