Display Troubleshooting ……….2-12 | Toshiba S2 guide

2 Troubleshooting Procedures


Chapter 2		Contents
2.1	Troubleshooting Introduction		2-1
2.2	Troubleshooting Flowchart		2-2
2.3	Power Supply Troubleshooting		2-7
2.4	Display Troubleshooting		……….2-12
2.5	Keyboard Troubleshooting		2-15
2.6	External USB Devices Troubleshooting		2-17
2.7	TV-Out Failure Troubleshooting		2-19
2.8	Printer Port Troubleshooting		2-21
2.9	TouchPad Troubleshooting		2-23
2.10	Speaker Troubleshooting		2-25
2.11	Modem Troubleshooting		2-27
2.12	PCMCIA Troubleshooting		2-29
2.13	IEEE 1394 Troubleshooting		2-31
2.14	Wireless LAN Troubleshooting		2-33

Tecra A3/S2 Series Maintenance Manual

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Toshiba S2 manual Display Troubleshooting ……….2-12

Contents

Tecra A3/S2 Preface Tecra A3/S2 Maintenance Manual Iii Tecra A3/S2 Maintenance Manual Diskcopy a B Table of Contents Tests and Diagnostics Replacement Procedures Appendices Chapter Hardware Overview Hardware Overview Chapter Contents Hardware Overview Features System Unit Hardware Overview ? Bios Hardware Overview System Unit Uxga Hardware Overview System Unit System Unit Hardware Overview System Unit Realtek ALC250VD for AC97 codec TI PCI7411 Card Bus Host Adapter Marvell 88E8053 for Giga LAN 2.5-inch Hard Disk Drive Hardware Overview 2.5-inch Hard Disk Drive DVD-ROM Drive Optical Devices moduleRemovable Drives Hardware Overview CD-ROM Drive Hardware Overview Removable Drives CD-RW/DVD-ROM Drive 4 DVD±R/±RW Drive Power Supply Hardware OverviewDVD Super Multi Drive Hardware Overview Power Supply Standard rotational speed Power Supply LB0 Batteries Main BatteryBatteries Hardware Overview RTC battery Status Time Chapter Troubleshooting Procedures Troubleshooting Procedures Display Troubleshooting ……….2-12 Figures Tables Troubleshooting Introduction Troubleshooting Introduction Troubleshooting Procedures Troubleshooting Flowchart Troubleshooting Procedures Power Supply Troubleshooting Power Supply Troubleshooting Troubleshooting Procedures Troubleshooting flowchart 1/2 Troubleshooting flowchart 2/2 Power Supply Troubleshooting Troubleshooting Procedures Troubleshooting Procedures Power Supply Troubleshooting Power Supply Troubleshooting Power Supply Troubleshooting Process Procedure 1 Power Status Check Battery LED Procedure 2 Adaptor / battery replacement AC-IN LED Battery Procedure 3 Power supply connection check Procedure 4 Diagnostic check Procedure 5 Replacement check Display Troubleshooting Troubleshooting Procedures Display Troubleshooting Procedure 1 External display check Display Troubleshooting Troubleshooting ProceduresProcedure 2 Diagnostic check Procedure 3 Connector and replacement check Keyboard Troubleshooting Keyboard Troubleshooting Troubleshooting Procedures Troubleshooting Procedures Keyboard Troubleshooting Procedure 1 External keyboard check External USB Devices Troubleshooting External USB device troubleshooting process Procedure 1 External device and connection check Procedure 2 Replace system board TV-Out Failure Troubleshooting TV-Out Failure Troubleshooting Troubleshooting Procedures Procedure 1 TV connection check Troubleshooting Procedures TV-Out Failure TroubleshootingProcedure 2 TV set check Printer Port Troubleshooting Printer Port Troubleshooting Troubleshooting Procedures Procedure 2 Printer port loopback check Troubleshooting Procedures Printer Port TroubleshootingProcedure 1 Diagnostic check Procedure 3 Replace system board TouchPad Troubleshooting Touch Pad Troubleshooting Troubleshooting Procedures Procedure 1 TouchPad connection check Troubleshooting Procedures TouchPad TroubleshootingProcedure 2 TouchPad replacement check Speaker Troubleshooting Speaker troubleshooting process Procedure 3 Connection check Procedure 1 Audio source testProcedure 2 Earphone test Procedure 4 Replacement check Modem Troubleshooting 11 Modem troubleshooting process Procedure 2 Modem card connection check Procedure 1 Telephone line connection checkProcedure 3 Modem replacement check Pcmcia Troubleshooting 12 Pcmcia troubleshooting process Procedure 1 Sycard test Procedure 2 Pcmcia socket replacement check Ieee 1394 Troubleshooting 13 Ieee 1394 troubleshooting process Procedure 1 Ieee 1394 device check Procedure 3 Connection and replacement check Touch Pad Troubleshooting Troubleshooting Procedures Wireless LAN Troubleshooting Troubleshooting Procedures Speaker Troubleshooting Procedure Diagnostic test Speaker Troubleshooting Troubleshooting ProceduresProcedure 2 Connector and replacement check Troubleshooting Procedures Speaker Troubleshooting Chapter Tests and Diagnostics Tests and Diagnostics Contents Tests and Diagnostics Diagnostic Test Diagnostic Test Tests and Diagnostics Tests and Diagnostics Executing the Diagnostic Test Executing the Diagnostic Test Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual Executing the Diagnostic Test Tests and Diagnostics Tests and Diagnostics Executing the Diagnostic Test Config Check Test Parallel Port Test Tests and Diagnostics Tests and Diagnostics DMI Check Test DMI Check Test PIO Loopback Test Tests and Diagnostics PIO Loopback Test Tests and Diagnostics Ieee 1394 Test Speaker Audio Test Tests and Diagnostics Speaker Audio Test Tests and Diagnostics Fan ON/OFF Test Fan ON/OFF Test Main Battery Charge Test Main Battery Change Test Tests and Diagnostics Tests and Diagnostics FDD Test FDD Test FDD Test Tests and Diagnostics Tests and Diagnostics CD-ROM Test CD-ROM Test Keyboard Test Tests and Diagnostics Keyboard Test Tests and Diagnostics Keyboard Test Keyboard Test Tests and Diagnostics Tests and Diagnostics Mouse Pad Test Mouse Pad Test Mouse Pad Test Tests and Diagnostics LCD Pixels Mode Test Tests and Diagnostics LCD Pixels Mode Test Lid Switch Test Lid Switch Test Tests and Diagnostics Tests and Diagnostics HDD R/W Test HDD R/W Test HDD R/W Test Tests and Diagnostics Tests and Diagnostics LAN Test LAN Test Fail as below will keep this screen Tests and Diagnostics LAN Test LAN Test Tests and Diagnostics Tests and Diagnostics CD Control Button Test RTC Test Chapter Replacement Procedures Replacement Procedures HDD Removing the HDD door 27 Removing the touch pad board General HDD ODD Modem Battery pack Expansion Memory Safety Precautions Before You Begin Disassembly Procedures Assembly Procedures Tools and Equipment Battery Removing the Battery Pack PC Card Installing the Battery PackRemoving a PC Card Removing a PC Card Installing a PC Card HDD Removing the HDD Module Removing the HDD door Installing the HDD Module Disassembling the HDD Module Optical Drive Module Removing the Optical Drive Module Installing the Optical Drive Module Removing the optical drive module Optical Drive Disassembling the Optical Drive Replacement Procedures Optical Drive Reassembling the Optical Drive Wireless LAN Removing the Wireless LAN 11 Removing the wireless LAN unit Installing the Wireless LAN Expansion Memory Module Removing an Expansion Memory 13 Removing a memory module Installing an Expansion Memory Module 14 Removing an expansion memory cover 15 Installing an expansion memory Keyboard Removing the Keyboard 17 Removing the keyboard 18 Disconnecting the keyboard cable Installing the Keyboard Removing the Bluetooth BluetoothInstalling the Bluetooth Modem Removing the Modem Installing the Modem Display AssemblyRemoving the Display Assembly 22 Removing the wireless and LCD cables Installing the Display Assembly Removing the Top Cover Top CoverRemoving screws of the bottom 24 Removing the top cover Installing the Top Cover 26 Removing Speaker cables Touch Pad Installing the Touch PadRemoving the Touch Pad Speakers Installing the SpeakersRemoving the Speakers System Board Removing the LAN Board Installing the LAN Board Removing the USB Board Installing the USB Board Removing the System Board Direct Play Button Board Installing the System BoardRemoving the Direct Play Button Board 18 Fan, Heat Sink, & CPU Installing the Direct Play Button BoardRemoving the Fan, Heat Sink & CPU 33 Removing the fan module Installing the CPU Display Mask Removing the Display Mask Installing the Display Mask LCD Module Removing the LCD Module Installing the LCD Module 38 Removing the LCD module-2 FL Inverter Board Installing the FL Inverter BoardRemoving the FL Inverter Board Precautions for handling the LCD module Appendix a Handling the LCD Module Tecra A3/S2 Series Maintenance Manual Tecra A3/S2 Series Maintenance Manual Tecra A3/S2 Series Maintenance Manual Tecra A3/S2 Series Maintenance Manual Tecra A3/S2 Series Maintenance Manual System Board FRDSY* Top View Figure B-1 System board FRDSY* layout Top System Board FRDSY* Button View Figure B-2 System board FRDSY* layout Button Table B-1 System board ICs top and bottom Mark Number Name Table B-2 System board connectors top and bottom Number Name System Board JP24,JP25 Table C-1 Sodimm I/F pin assignments 200-PIN 1/4 Table C-1 Sodimm I/F pin assignments 200-PIN 2/4 Table C-1 Sodimm I/F pin assignments 200-PIN 3/4 Table C-1 Sodimm I/F pin assignments 200-PIN 4/4 JP1 Table C-2 RGB I/F pin assignments 15-pin JP18 Table C-3 HDD I/F pin assignments 44-pin JP31 Table C-4 ODD I/F pin assignments 50-pin JP19 Table C-5 PC Card I/F pin assignments 84-pin 1/2 S1D0 S1D8 Table C-5 PC Card I/F pin assignments 84-pin 2/2 JP28 Table C-6 Mini PCI I/F pin assignments 124-pin 1/2 Tecra A3/S2 Series Maintenance Manual Table C-6 Mini PCI I/F pin assignments 124-pin2/2 Tecra A3/S2 Series Maintenance Manual Pin No Signal name Function JP6 Pin No Signal name JP29 10 PJP1 Table C-10 AC Adaptor Connector pin assignments 3-pinJP12 Table C-9-1 JP12 Fan I/F pin assignments 3-pin 12 JP22 Table C-12 Headphone Connector pin assignments 6-pin11 JP21 Table C-11 Microphone I/F pin assignments 6-pin Appendix D Keyboard Scan/Character Codes Table D-1 Scan codes set 1 and set 2 1/4 Table D-1 Scan codes set 1 and set 2 2/4 Table D-1 Scan codes set 1 and set 2 3/4 ALT R Table D-1 Scan codes set 1 and set 2 4/4 Table D-2 Scan codes with left Shift key Table D-3 Scan codes in Numlock mode Table D-4 Scan codes with Fn key Table D-5 Scan codes in overlay mode Table D-6 No.124 key scan code Table D-7 No.126 key scan code United States US Keyboard Figure E-1 US keyboard United Kingdom UK Keyboard Figure E-2 UK keyboard Spanish SP Keyboard Japanese JA Keyboard Korean KO Keyboard Figure E-5 KO keyboard French FR Keyboard Figure E-6 FR keyboard French-Canadian Keyboard Portuguese Keyboard US-INTERNATIONAL Keyboard GreeceGR Keyboard Chinese-T Keyboard Swedish Keyboard Italian Keyboard Czech Keyboard Tecra A3/S2 Series Maintenance Manual Appendix F Series Screw Torque List Table F-1 Series Screw Torque ListPage Location Screw Torque Logic Assy KB to TOP Shield Batt Appendix G Reliability Table G-1 Mtbf Tecra A3/S2 Series Maintenance Manual