Executing the Diagnostic Test3. Tests and Diagnostics | Toshiba P25

3.2 Executing the Diagnostic Test3. Tests and Diagnostics

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Satellite P20-25 Series Maintenance Manual

3-3

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Toshiba P25 manual Executing the Diagnostic Test3. Tests and Diagnostics

Contents

Toshiba Corporation Trademarks CopyrightDisclaimer Safety Precautions Preface Satellite P20-25 Series Maintenance Manual Conventions Acronyms Satellite P20-25 Series Maintenance Manual Table of Contents Tests and Diagnostics Replacement Procedures CPU HDD Appendices Hardware Overview Hardware Overview Chapter Contents Hardware Overview Features Features Hardware Overview Hardware Overview Features Features Hardware Overview Hardware Overview Features System Unit System Unit Hardware Overview Hardware Overview System Unit AUX 2.5-inch Hard Disk Drive Hardware Overview Removable Drives 1 3.5-inch Floppy Disk Drive Removable DrivesRemovable Drives Hardware Overview DVD-R/-RW Drive Read speeds DVD-ROM Drive Matsushita SR-8177 256 Kbytes Max Toshiba SD-C2612 DVD Multi-Drive Combo Drive CD-RW Power Supply Hardware Overview Power Supply Power Supply Hardware Overview LB2 Hardware Overview Batteries Main BatteryBatteries Satellite P20-25 Series Maintenance Manual RTC battery Status Time Batteries Hardware Overview Chapter Troubleshooting Procedures Troubleshooting Procedures Chapter Contents Figures Tables Troubleshooting Introduction Troubleshooting Introduction Troubleshooting Procedures Troubleshooting Flowchart Troubleshooting Procedures Troubleshooting Flowchart Troubleshooting Flowchart Troubleshooting Procedures Troubleshooting flowchart 1/2 Troubleshooting flowchart 2/2 Troubleshooting Flowchart Troubleshooting Procedures Troubleshooting Procedures Troubleshooting Flowchart Power Supply Troubleshooting Power Supply Troubleshooting Troubleshooting Procedures Battery LED Troubleshooting Procedures Power Supply TroubleshootingProcedure 1 Power Status Check Battery State LED colors Definition 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 2 Diagnostic check Display Troubleshooting Troubleshooting ProceduresProcedure 1 External display check Procedure 3 Connector and replacement check FDD Troubleshooting FDD Troubleshooting Troubleshooting Procedures Procedure 3 Connector check and replacement check Troubleshooting Procedures FDD TroubleshootingProcedure 1 FDD head cleaning 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 2 TV set check Troubleshooting Procedures TV-Out Failure TroubleshootingProcedure 1 TV connection 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 2 TouchPad replacement check Troubleshooting Procedures TouchPad TroubleshootingProcedure 1 TouchPad connection check Speaker Troubleshooting Speaker Troubleshooting Troubleshooting Procedures Procedure 2 Earphone test Troubleshooting Procedures Speaker TroubleshootingProcedure 1 Audio source test Procedure 3 Connection check Optical Drive Troubleshooting Optical Drive Troubleshooting Troubleshooting Procedures Procedure 2 Drive cleaning check Troubleshooting Procedures Optical Drive TroubleshootingProcedure 1 Audio CD check Procedure Procedure 5 Connection check and replacement check Modem Troubleshooting Troubleshooting Procedures Modem Troubleshooting Procedure 2 Modem card connection check Modem Troubleshooting Troubleshooting ProceduresProcedure 1 Telephone line connection check Procedure 3 Modem replacement check Pcmcia Troubleshooting Troubleshooting Procedures Pcmcia Troubleshooting Procedure 2 Pcmcia socket replacement check Pcmcia Troubleshooting Troubleshooting ProceduresProcedure 1 Sycard test Ieee 1394 Troubleshooting Troubleshooting Procedures Ieee 1394 Troubleshooting Procedure 3 Connection and replacement check Ieee 1394 Troubleshooting Troubleshooting ProceduresProcedure 1 Ieee 1394 device check Wireless LAN Troubleshooting Troubleshooting Procedures Wireless LAN Troubleshooting Wireless LAN Troubleshooting Troubleshooting Procedures Procedure 2 Connector and replacement check Bluetooth Troubleshooting Troubleshooting Procedures Bluetooth Troubleshooting Bluetooth Troubleshooting Troubleshooting Procedures Troubleshooting Procedures Bluetooth Troubleshooting Chapter Tests and Diagnostics Tests and Diagnostics Contents Tests and Diagnostics Diagnostic Test Diagnostic Test Tests and Diagnostics Executing the Diagnostic Test Tests and Diagnostics Executing the Diagnostic Test Executing the Diagnostic Test3. Tests and Diagnostics Tests and Diagnostics Executing the Diagnostic Test Executing the Diagnostic Test Tests and Diagnostics Config Check Test Tests and Diagnostics Config Check Test DMI Check Test Tests and Diagnostics DMI Check Test Tests and Diagnostics PIO Loopback Test PIO Loopback Test Ieee 1394 Test Tests and Diagnostics Ieee 1394 Test Tests and Diagnostics Speaker Audio Test Speaker Audio Test Fan ON/OFF Test Tests and Diagnostics Fan ON/OFF Test Main Battery Charge Test Tests and Diagnostics Main Battery Change Test FDD Test Tests and Diagnostics FDD Test 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 LAN Test Tests and Diagnostics Tests and Diagnostics RTC Test RTC Test CD Control Button Test Tests and Diagnostics CD Control Button Test Tests and Diagnostics RTC Test Chapter Replacement Procedures Replacement Procedures General Replacement Procedures General Replacement Procedures General Replacement Procedures General Safety Precautions Before You Begin Disassembly Procedures Assembly Procedures Tools and Equipment Removing the Battery Pack BatteryBattery Replacement Procedures Removing the battery pack Replacement Procedures Battery Installing the Battery Pack Removing a PC Card PC Card Replacement ProceduresPC Card Pressing the eject button Replacement Procedures PC Card Removing the PC Card Installing the PC Card Replacement Procedures Removable modules Removable modules Unlock the main module bay lock Removable modules Replacement ProceduresRemoving the Main Module Removing the main module Installing the Main Module Engage the main module bay latch lock Disassembling the Optical Drive Optical Drive Replacement ProceduresOptical Drive Removing the bracket screws Replacement Procedures Optical Drive Reassembling the Optical Drive Disassembling the TV Tuner Replacement Procedures TV TunerTV Tuner Remove seven M2⋅8 screws securing the TV tuner case Secure the lid of the TV tuner case with seven M2⋅8 screws TV Tuner Replacement ProceduresReassembling the TV Tuner Disassembling the Removable HDD Replacement Procedures Removable HDDRemovable HDD Opening the removable HDD container Removable HDD Replacement Procedures Removing the HDD case screws Replacement Procedures Removable HDD Reassembling the Removable HDD Disassembling the Removable FDD Replacement Procedures Removable FDDRemovable FDD Removing the FDD bracket screws Removable FDD Replacement Procedures Reassembling the Removable FDD Removing the Wireless LAN Unit Wireless LAN UnitReplacement Procedures Wireless LAN Unit Lift off the wireless LAN compartment cover Wireless LAN Unit Replacement Procedures 11 Removing the wireless LAN unit Installing the Wireless LAN Unit Removing the Expansion Memory Expansion Memory Replacement ProceduresExpansion Memory 12 Removing the expansion memory cover Replacement Procedures Expansion Memory 13 Removing the expansion memory Installing the Expansion Memory Removing the Modem / Bluetooth Unit Modem / Bluetooth UnitReplacement Procedures Modem / Bluetooth Unit 14 Removing the modem / Bluetooth unit cover Modem / Bluetooth Unit Replacement Procedures 15 Removing the modem / Bluetooth unit screws Installing the Modem / Bluetooth Unit Removing the CPU 12 CPU Replacement Procedures12 CPU 16 Removing the CPU compartment cover Replacement Procedures 12 CPU 17 Removing the heat sink 18 Removing the CPU Installing the CPU 13 HDD Replacement Procedures 13 HDD 19 Removing the HDD unit cover screws Replacement Procedures 13 HDDRemoving the HDD 21 Removing the aluminum HDD shielding and connector 20 Removing the HDD unit case screws Installing the HDD Removing the Keyboard Keyboard Replacement ProceduresKeyboard Open the display panel 23 Removing keyboard cable and keyboard Replacement Procedures KeyboardRemove two M2.5⋅3 silver screws securing the keyboard Installing the Keyboard Removing the Top Cover TOP Cover Replacement ProceduresTop Cover Remove the keyboard, HDD and main module Replacement Procedures TOP Cover 25 Removing the screws from the computer underside Installing the Top Cover Removing the Function Key Board Replacement Procedures Function Key BoardFunction Key Board Remove the keyboard, HDD, main module and top cover Function Key Board Replacement Procedures Installing the Function Key Board Removing the LED / Power Button Board LED / Power Button BoardReplacement Procedures LED / Power Button Board 27 Removing the LED/power button board LED / Power Button Board Replacement Procedures Installing the LED / Power Button Board Removing the TouchPad Replacement Procedures TouchPadTouchPad 28 Removing the TouchPad button board TouchPad Replacement Procedures Installing the TouchPad Removing the Display Assembly Display AssemblyReplacement Procedures Display Assembly 29 Removing the wireless LAN compartment cover 31 Removing the hinge cover Display Assembly Replacement Procedures30 Removing the wireless LAN compartment cover Replacement Procedures Display Assembly Installing the Display Assembly Removing the System Board Replacement Procedures System BoardSystem Board 34 Removing the hexagonal port screws System Board Replacement ProceduresRemove the four hexagonal port screws Remove the low I/O cover 35 Removing the system board screws and cables Installing the System Board Seat the system board and secure with three M2.5⋅6 screws Direct Play Button Board Replacement Procedures Direct Play Button Board36 Removing the Direct Play cover assembly Removing the Direct Play Button Board Direct Play Button Board Replacement Procedures Installing the Direct Play Button Board Removing the CIR Board Replacement Procedures CIR BoardCIR Board 37 Removing the CIR board CIR Board Replacement Procedures Installing the CIR Board Removing the Direct Play LED Board Replacement Procedures Direct play LED boardDirect play LED board 38 Removing the direct play LED board Secure the direct play LED FPC to the system board Direct play LED board Replacement ProceduresInstalling the Direct Play LED Board Removing the Audio Board Replacement Procedures Audio BoardAudio Board 39 Removing the audio board screws Audio Board Replacement Procedures Installing the Audio Board Removing the Speakers Replacement Procedures SpeakersSpeakers 40 Removing the speaker screws 41 Removing the speakers Speakers Replacement ProceduresRemove two M2.5⋅4 screws securing each speaker Installing the Speakers Removing the Fan Set Fan Set Replacement ProceduresFan Set 42 Removing the inner chassis fan screws Replacement Procedures Fan Set 43 Removing the outer chassis fan screws Installing the Fan Set Removing the Display Mask Replacement Procedures Display MaskDisplay Mask 44 Removing the display mask screws Display Mask Replacement Procedures Installing the Display Mask Removing the FL Inverter Board Replacement Procedures FL Inverter BoardFL Inverter Board 45 Removing the FL inverter board FL Inverter Board Replacement Procedures Installing the FL Inverter Board Removing the LCD Module Replacement Procedures LCD ModuleLCD Module 46 Removing the LCD module Pull out LCD cable from LCD connector 47 Removing the LCD cable Installing the LCD Module Secure LCD cable with one M2.5⋅4 screw Appendices Appendices Appendix Contents Figure B.1 System Board FRDSY* Bottom View Table D-7 App-vi Precautions for handling the LCD module Appendix a Handling the LCD Module CRT Satellite P20-25 Series Maintenance Manual Satellite P20-25 Series Maintenance Manual Satellite P20-25 Series Maintenance Manual Satellite P20-25 Series Maintenance Manual Appendix B Board Layout System Board FRDSY* Bottom View System Board FRDSY* Top View Figure B-2 System board FRDSY* layout Top Table B-1 System board ICs and connectors top and bottom Mark Number Name Table B-2 System board ICs and connectors top and bottom PCN1 System Board JP24/JP26 Sodimm I/F 144-pin Table C-1 Sodimm I/F pin assignments 144-pin 1/4 Table C-1 Sodimm I/F pin assignments 144-pin 2/4 Table C-1 Sodimm I/F pin assignments 144-pin 3/4 Table C-1 Sodimm I/F pin assignments 144-pin 4/4 JP1 LCD I/F 40-pin Table C-2 LCD I/F pin assignments 40-pin JP15 RGB I/F 15-pin Table C-3 RGB I/F pin assignments 15-pin JP34 HDD I/F 44-pin Table C-4 HDD I/F pin assignments 44-pin JP28 Main Module I/F 60-pin Table C-5 CD-ROM I/F pin assignments 50-pin JP29 Second Module I/F 60-pin JP14 Parallel I/F 25-pin Table C-6 Parallel I/F pin assignments 25-pin JP21 PC Card I/F 150-pin Table C-7 PC Card I/F pin assignments 154-pin 1/3 Table C-7 PC Card I/F pin assignments 154-pin 2/3 S2 IORD# Table C-7 PC Card I/F pin assignments 154-pin 3/3 JP27 Mini PCI I/F 124-pin Table C-8 Mini PCI I/F pin assignments 124-pin 1/2 Table C-8 Mini PCI I/F pin assignments 124-pin1/2 Microphone 6-pin AC Adaptor Connector 3-pin---Find Power Team10 JP22, JP23, JP25 Fan I/F 3-pin Headphone Connector 6-pin Table C-12 Headphone Connector pin assignments 6-pin Satellite P20-25 Series Maintenance Manual 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 United Kingdom UK Keyboard Spanish SP Keyboard Japanese JA Keyboard Korean KO Keyboard Figure E-3 KO keyboard Satellite P20 Series Maintenance Manual Appendix F Series Screw Torque List Table F-1 Series Screw Torque List MDC to MB User KEY FPC Bluetooth to MB UP Hinge Cover Satellite P20-25 Series Maintenance Manual Appendix G Reliability Table G-1 Mtbf Satellite P20 Series Maintenance Manual