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Toshiba S2 manual 2 DC-IN LED, Ac-In Led, Power supply status, Solid on, No AC power exists

Models: S2

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2.3 Power Supply Troubleshooting			2 Troubleshooting Procedures
		Table 2-2 DC-IN LED

	AC-IN LED	Power supply status

	Solid on	AC power exists (LED is solid green).

	Off	No AC power exists.

To check the power supply status, install a battery pack and connect an AC adaptor to the DC-IN port on the computer and to a power supply.

If the DC-IN LED or Battery LED is not lit, go to Procedure 2.

Procedure 2 Adaptor / battery replacement

A faulty adaptor may not supply power or may not charge the battery. Perform Check 1. Check 1 Connect a new AC adaptor. If the problem is not resolved, go to Check 2. Check 2 Insert a new battery. If the problem is still not resolved, go to Procedure 3.

Tecra A3/S2 Series Maintenance Manual

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Toshiba S2 2 DC-IN LED, Ac-In Led, Power supply status, Solid on, AC power exists LED is solid green, No AC power exists

Contents

Toshiba Personal Computer TOSHIBA CORPORATIONTECRA A3/S2 Maintenance Manual Copyright injury if the safety instruction is not observed The manual is divided into the following parts Chapter DISKCOPY A B Chapter 1 Hardware Overview Table of ContentsChapter 2 Troubleshooting Procedures Chapter 3 Tests and Diagnostics Chapter 4 Replacement Procedures GeneralKey Layout AppendicesBoard Layout Chapter Hardware Overview 1-ii 1 Hardware OverviewTecra A3/S2 Series Maintenance Manual Contents Error! Bookmark not definedChapter 1 Hardware Overview1-iv Tecra A3/S2 Series Maintenance Manual1 Hardware Overview 1 Hardware Overview 1.1 Features1.2 System Unit 1.2 System Unit ? BIOS ? 1MB Flash ROM for system BIOS a Suspend to RAM/Disk1 Hardware Overview ? Keyboard 1.2 System Unit1 Hardware Overview ? PCMCIA Card Organization 1 Hardware Overview1.2 System Unit ? TV-out port 1.2 System Unit1 Hardware Overview 1.2 System Unit 1.2 System Unit1 Hardware Overview 1 Hardware Overview Realtek ALC250VD for AC97 codec1.2 System Unit 1.2 System Unit TI PCI7411 Card Bus Host Adapter1 Hardware Overview Marvell 88E8053 for Giga LAN Marvell 88E8036 for 10/100M LANMarvell 88SA8040 for Serial ATA Bridge 1.2 System Unit1.3 2.5-inch Hard Disk Drive 1.3 2.5-inch Hard Disk DriveTecra A3/S2 Series Maintenance Manual 1 Hardware Overview1.4 Optical Devices module 1.4 Removable Drives1.4.1 DVD-ROM Drive 1.4.2 CD-ROM Drive1.4 Removable Drives 1.4.3 CD-RW/DVD-ROM Drive1 Hardware Overview 1.5 Power Supply 1.4.4 DVD±R/±RW Drive1.4.5 DVD Super Multi Drive 1 Hardware OverviewDVD-RAM Standard rotational speed1.5 Power Supply 1 Hardware Overview1 Hardware Overview 1.5 Power Supply1.5 Power Supply 1 Hardware Overview 1.5 Power Supply6. Power ON/OFF sequence 1.6.1 Main Battery 1.6 Batteries1.6 Batteries 1 Hardware Overview1.6 Batteries 1.6.2 RTC battery1 Hardware Overview Chapter Troubleshooting Procedures 2-ii 2 Troubleshooting ProceduresTecra A3/S2 Series Maintenance Manual Contents 2 Troubleshooting ProceduresTroubleshooting Introduction Chapter2 Troubleshooting Procedures FiguresTables 2 Troubleshooting Procedures 2.1 Troubleshooting Introduction2.1 Troubleshooting Introduction 2 Troubleshooting Procedures 2.2 Troubleshooting Flowchart2.3 Power Supply Troubleshooting Figure 2-1 Troubleshooting flowchart 1/2 2.3 Power Supply Troubleshooting2 Troubleshooting Procedures Tecra A3/S2 Series Maintenance Manual2.3 Power Supply Troubleshooting Figure 2-1 Troubleshooting flowchart 2/22 Troubleshooting Procedures If the diagnostics program cannot detect an error, the problem may be intermittent. The test program should be executed several times to isolate the problem. When a problem has been located, perform the appropriate troubleshooting procedures as follows 2.3 Power Supply Troubleshooting2 Troubleshooting Procedures Other problems that are not covered by the diagnostics program may be discovered by a user 2 Troubleshooting Procedures2.3 Power Supply Troubleshooting 2.3 Power Supply Troubleshooting Figure 2-2 Power Supply Troubleshooting Process2.3 Power Supply Troubleshooting 2 Troubleshooting ProceduresProcedure 1 Power Status Check Table 2-1 Battery LEDBattery State LED colorsPower supply status AC power exists LED is solid greenNo AC power exists Procedure 2 Adaptor / battery replacementProcedure 3 Power supply connection check AC power cordBattery 2 Troubleshooting ProceduresProcedure 4 Diagnostic check Procedure 5 Replacement check2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures2.4 Display Troubleshooting 2.4 Display TroubleshootingFigure 2-3 Display troubleshooting process 2 Troubleshooting ProceduresProcedure 1 External display check Procedure 2 Diagnostic check2.4 Display Troubleshooting 2 Troubleshooting Procedures2.4 Display Troubleshooting Procedure 3 Connector and replacement check2 Troubleshooting Procedures 2.5 Keyboard Troubleshooting 2.5 Keyboard TroubleshootingFigure 2-4 Keyboard troubleshooting process 2 Troubleshooting ProceduresProcedure 1 External keyboard check 2 Troubleshooting Procedures2.5 Keyboard Troubleshooting Procedure 2 Diagnostic check2.6 External USB Devices Troubleshooting 2.6 External USB Devices TroubleshootingFigure 2-5 External USB device troubleshooting process 2 Troubleshooting ProceduresProcedure 1 External device and connection check Procedure 2 Replace system board2 Troubleshooting Procedures 2.6 External USB Devices Troubleshooting2.7 TV-Out Failure Troubleshooting 2.7 TV-Out Failure TroubleshootingFigure 2-6 TV-out troubleshooting process 2 Troubleshooting ProceduresProcedure 1 TV connection check Procedure 2 TV set check2 Troubleshooting Procedures 2.7 TV-Out Failure Troubleshooting2.8 Printer Port Troubleshooting 2.8 Printer Port TroubleshootingFigure 2-7 Printer port troubleshooting process 2 Troubleshooting ProceduresProcedure 1 Diagnostic check Procedure 2 Printer port loopback checkProcedure 3 Replace system board 2 Troubleshooting Procedures2.9 TouchPad Troubleshooting 2.9 Touch Pad TroubleshootingFigure 2-8 TouchPad troubleshooting process 2 Troubleshooting Procedures2.9 TouchPad Troubleshooting Procedure 1 TouchPad connection checkProcedure 2 TouchPad replacement check 2 Troubleshooting Procedures2.10 Speaker Troubleshooting Figure 2-9 Speaker troubleshooting process2.9 Touch Pad Troubleshooting 2 Troubleshooting ProceduresProcedure 1 Audio source test Procedure 2 Earphone testProcedure 3 Connection check Procedure 4 Replacement check2.11 Modem Troubleshooting Figure 2-11 Modem troubleshooting process2.9 Touch Pad Troubleshooting 2 Troubleshooting ProceduresProcedure 1 Telephone line connection check Procedure 2 Modem card connection checkProcedure 3 Modem replacement check 2 Troubleshooting Procedures2.12 PCMCIA Troubleshooting Figure 2-12 PCMCIA troubleshooting process2.9 Touch Pad Troubleshooting 2 Troubleshooting ProceduresProcedure 1 SYCARD test Procedure 2 PCMCIA socket replacement check2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting2.13 IEEE 1394 Troubleshooting Figure 2-13 IEEE 1394 troubleshooting process2.9 Touch Pad Troubleshooting 2 Troubleshooting ProceduresProcedure 1 IEEE 1394 device check Procedure 3 Connection and replacement check2 Troubleshooting Procedures 2.9 TouchPad Troubleshooting2.9 Touch Pad Troubleshooting 2 Troubleshooting ProceduresTecra A3/S2 Series Maintenance Manual 2-332.14 Wireless LAN Troubleshooting 2.10 Speaker TroubleshootingFigure 2-14 Wireless LAN troubleshooting process 2 Troubleshooting ProceduresProcedure Diagnostic testProcedure 2 Connector and replacement check 2.10 Speaker Troubleshooting2 Troubleshooting Procedures 2.10 Speaker TroubleshootingTecra A3/S2 Series Maintenance Manual 2-36Chapter Tests and Diagnostics 3-ii 3. Tests and DiagnosticsTecra A3/S2 Series Maintenance Manual Test and Diagnostic Operation 3-113-12 3-133-iv 3. Tests and DiagnosticsTecra A3/S2 Series Maintenance Manual 3.1 The Diagnostic Test 3.1 The Diagnostic TestNOTES To start the diagnostics, follow these steps 2. Exit this program when you are at Main Menu3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual3. Tests and Diagnostics 3.2 Executing the Diagnostic Test3.2 Executing the Diagnostic Test Executing the Diagnostic Test The below display will show up at the beginning of T&D program3. Tests and Diagnostics Tecra A3/S2 Series Maintenance ManualIf an error is detected and a test fails, the following message displays 3.2 Executing the Diagnostic Test3. Tests and Diagnostics NOTE Press Pause to pause a test and Enter to resume 3. Tests and Diagnostics3.2 Executing the Diagnostic Test Tecra A3/S2 Series Maintenance Manual3.3 Parallel Port Test 3.3 Config Check Test3 Tests and Diagnostics 3. Tests and Diagnostics 3.4 DMI Check Test3.4 DMI Check Test 3. Tests and Diagnostics 3.5 PIO Loopback Test3.5 PIO Loopback Test 3.6 IEEE 1394 Test 3. Tests and DiagnosticsTecra A3/S2 Series Maintenance Manual 3-103. Tests and Diagnostics 3.6 Speaker Audio Test3.7 Speaker Audio Test 3. Tests and Diagnostics 3.7 Fan ON/OFF Test3.8 Fan ON/OFF Test 3. Tests and Diagnostics 3.8 Main Battery Charge Test3.9 Main Battery Change Test 3.9 FDD Test 3.10 FDD TestNOTE Press “Esc” key can skip the current subtest 3 Tests and Diagnostics3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual3.10 FDD Test 3-153.10 CD-ROM Test 3.11 CD-ROM Test3. Tests and Diagnostics NOTE Press “Esc” key can skip the current subtest3. Tests and Diagnostics 3.11 Keyboard Test3.12 Keyboard Test 3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual3.12 Keyboard Test 3-183. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual3.12 Keyboard Test 3-193.12 Mouse Pad Test 3.13 Mouse Pad TestNOTE The Touch Pad test cannot be used to test an external USB mouse 3. Tests and DiagnosticsAfter checking T/Pad buttons and cursor’s function, use “Tab” key or use T/Pad cursor to click the “OK” column will end this test 3. Tests and Diagnostics3.13 Mouse Pad Test 3. Tests and Diagnostics 3.13 LCD Pixels Mode Test3.14 LCD Pixels Mode Test 3. Tests and Diagnostics 3.14 Lid Switch Test3.15 Lid Switch Test 3. Tests and Diagnostics 3.15 HDD R/W Test3.16 HDD R/W Test NOTE Press “Ctrl + Break” keys can terminate the current subtest NOTE The AC adaptor should be connected to successfully run this test3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual3.16 LAN Test 3.17 LAN TestNOTE LAN loopback needs to plug in before test begins 3. Tests and DiagnosticsThe screen should display as below, indicating pass will go on to next test3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual3. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual3.17 LAN Test 3-283. Tests and Diagnostics Tecra A3/S2 Series Maintenance Manual3.17 LAN Test 3-293. Tests and Diagnostics 3.17 RTC Test3.19 CD Control Button Test Chapter Replacement Procedures 4-ii 4 Replacement ProceduresTecra A3/S2 Series Maintenance Manual Contents 4 Replacement ProceduresBattery ChapterRemoving the HDD Module 4 Replacement ProceduresFigures 4 Replacement Procedures Removing the FL inverter board4.1 General 4 Replacement ProceduresDisplay Assembly Expansion Memory4 Replacement Procedures The example below shows FRUs to be removed before the Direct Play button board can be removed and repaired or replaced. The Direct Play button board is overlapped by the top cover which must be removed before the Direct Play button board can be reached. The removable HDD, keyboard, wireless LAN, ODD, modem, and display assembly in turn overlap the top cover. Always starts the disassembly process by removing the battery packSafety Precautions DANGERWARNING To avoid the risk of electric shock or other injury 3. Never work with wet or damp handsBefore You Begin 4 Replacement Procedures4 Replacement Procedures Disassembly ProceduresAssembly Procedures Tools and Equipment 4 Replacement Procedures4.2 Battery Removing the Battery PackFigure 4-1 Removing the battery pack 4 Replacement ProceduresInstalling the Battery Pack 4.3 PC CardRemoving a PC Card 4 Replacement Procedures4 Replacement Procedures Figure 4-2 Removing a PC Card Tecra A3/S2 Series Maintenance ManualInstalling a PC Card Figure 4-3 Installing a PC Card4.4 HDD 4 Replacement ProceduresRemoving the HDD Module Figure 4-5 Removing the HDD door4 Replacement Procedures Tecra A3/S2 Series Maintenance ManualInstalling the HDD Module Figure 4-6 Removing the HDD moduleDisassembling the HDD Module 4 Replacement ProceduresRemoving the Optical Drive Module 4 Replacement Procedures Figure 4-7 Removing the HDD bracket4.5 Optical Drive Module 4 Replacement Procedures Installing the Optical Drive ModuleFigure 4-8 Removing the optical drive module 4.6 Optical Drive Disassembling the Optical DriveFigure 4-9 Removing the optical drive bracket 4 Replacement Procedures4 Replacement Procedures 4.6 Optical DriveReassembling the Optical Drive 4.7 Wireless LAN Removing the Wireless LANFigure 4-10 Removing the wireless LAN cover 4 Replacement Procedures4 Replacement Procedures Figure 4-11 Removing the wireless LAN unitInstalling the Wireless LAN 4.8 Expansion Memory Module Removing an Expansion MemoryFigure 4-12 Removing the memory module cover 4 Replacement ProceduresFigure 4-13 Removing a memory module 4 Replacement Procedures7. Replace the battery pack Tecra A3/S2 Series Maintenance Manual4 Replacement Procedures Installing an Expansion Memory ModuleFigure 4-14 Removing an expansion memory cover Figure 4-15 Installing an expansion memory 4 Replacement ProceduresTecra A3/S2 Series Maintenance Manual 4-224.9 Keyboard Removing the KeyboardFigure 4-16 Removing the strip cover 4 Replacement Procedures5. Lift the keyboard out of its bay, revealing the keyboard cable Figure 4-17 Removing the keyboard4 Replacement Procedures 4 Replacement Procedures Figure 4-18 Disconnecting the keyboard cable Installing the Keyboard4.10 Bluetooth Removing the BluetoothFigure 4-19 Removing the Bluetooth Installing the Bluetooth4.11 Modem Removing the ModemFigure 4-20 Removing the modem module 4 Replacement Procedures4.12 Display Assembly Installing the ModemRemoving the Display Assembly Figure 4-21 Removing the display assembly screws4 Replacement Procedures Figure 4-22 Removing the wireless and LCD cablesInstalling the Display Assembly 4.13 Top Cover Removing the Top CoverRemoving screws of the bottom 4 Replacement ProceduresFigure 4-24 Removing the top cover Figure 4-25 Removing FFC cables4 Replacement Procedures Tecra A3/S2 Series Maintenance Manual4 Replacement Procedures Installing the Top CoverFigure 4-26 Removing Speaker cables Installing the Touch Pad 4.14 Touch PadRemoving the Touch Pad Figure 4-27 Removing the Touch Pad boardInstalling the Speakers 4.15 SpeakersRemoving the Speakers Figure 4-28 Removing the speakers4.16 System Board Removing the LAN BoardFigure 4-29 Removing LAN board 4 Replacement ProceduresInstalling the LAN Board Removing the USB BoardFigure 4-30 Removing USB board 4 Replacement ProceduresInstalling the USB Board Removing the System BoardFigure 4-31 Removing the system board 4 Replacement ProceduresInstalling the System Board 4.17 Direct Play Button BoardRemoving the Direct Play Button Board Figure 4-32 Removing the Direct Play Button boardInstalling the Direct Play Button Board 4.18 Fan, Heat Sink, & CPURemoving the Fan, Heat Sink & CPU 4 Replacement ProceduresFigure 4-33 Removing the fan module Figure 4-34 Removing the heat sinkFigure 4-35 Removing the CPU 4 Replacement ProceduresInstalling the CPU 4 Replacement Procedures4.19 Display Mask Removing the Display MaskFigure 4-36 Removing the display mask 4 Replacement ProceduresInstalling the Display Mask 4 Replacement ProceduresTecra A3/S2 Series Maintenance Manual 1. Seat the display mask and secure the snaps on each side4.20 LCD Module Removing the LCD ModuleFigure 4-37 Removing the LCD module-1 4 Replacement Procedures4 Replacement Procedures Installing the LCD ModuleFigure 4-38 Removing the LCD module-2 Installing the FL Inverter Board 4.21 FL Inverter BoardRemoving the FL Inverter Board Figure 4-39 Removing the FL inverter boardPrecautions for handling the LCD module Appendix A Handling the LCD Module3. If the panel’s surface gets dirty, wipe it with cotton or a soft cloth. If it is still dirty, try breathing on the surface to create a light condensate and wipe it again 5. Glass is used in the panel, so be careful not to drop it or let it strike a hard object, which could cause breakage or cracks 7. Do not expose the module to direct sunlight or strong ultraviolet rays for long periods TECRA A3/S2 Series Maintenance Manual TECRA A3/S2 Series Maintenance Manual Appendix B Board Layout B.1 System Board FRDSY* Top ViewFigure B-1 System board FRDSY* layout Top TECRA A3/S2 Series Maintenance ManualTECRA A3/S2 Series Maintenance Manual B.2 System Board FRDSY* Button ViewFigure B-2 System board FRDSY* layout Button Table B-1 System board ICs top and bottom TECRA A3/S2 Series Maintenance ManualMark NumberTable B-2 System board connectors top and bottom TECRA A3/S2 Series Maintenance ManualNumber NameAppendix C Pin Assignments System Board C.1 JP24,JP25Table C-1 SODIMM I/F pin assignments 200-PIN 1/4 Signal nameTable C-1 SODIMM I/F pin assignments 200-PIN 2/4 Signal nameSignal Name TECRA A3/S2 Series Maintenance ManualTable C-1 SODIMM I/F pin assignments 200-PIN 3/4 Signal nameSignal Name TECRA A3/S2 Series Maintenance ManualTable C-1 SODIMM I/F pin assignments 200-PIN 4/4 Signal nameSignal Name TECRA A3/S2 Series Maintenance ManualC.2 JP1 Table C-2 RGB I/F pin assignments 15-pinSignal name Signal NameC.3 JP18 Table C-3 HDD I/F pin assignments 44-pinSignal name Signal NameC.4 JP31 Table C-4 ODD I/F pin assignments 50-pinSignal name Signal NameC.5 JP19 Table C-5 PC Card I/F pin assignments 84-pin 1/2Signal name Signal NameS1D8 TECRA A3/S2 Series Maintenance ManualS1D0 Table C-5 PC Card I/F pin assignments 84-pin 2/2 Signal nameSignal Name TECRA A3/S2 Series Maintenance ManualC.6 JP28 Table C-6 Mini PCI I/F pin assignments 124-pin 1/2Signal name Signal NameTECRA A3/S2 Series Maintenance Manual C-12Table C-6 Mini PCI I/F pin assignments 124-pin2/2 Signal nameSignal Name TECRA A3/S2 Series Maintenance ManualTECRA A3/S2 Series Maintenance Manual C-14C.7 JP6 Signal nameTECRA A3/S2 Series Maintenance Manual Pin NoC.8 JP29 Signal nameSignal Name TECRA A3/S2 Series Maintenance ManualTable C-10 AC Adaptor Connector pin assignments 3-pin C.9 JP12C.10 PJP1 Table C-9-1 JP12 Fan I/F pin assignments 3-pinTable C-12 Headphone Connector pin assignments 6-pin C.11 JP21C.12 JP22 Table C-11 Microphone I/F pin assignments 6-pinAppendix D Keyboard Scan/Character Codes Table D-1 Scan codes set 1 and set 2 1/4TECRA A3/S2 Series Maintenance Manual KeytopTable D-1 Scan codes set 1 and set 2 2/4 TECRA A3/S2 Series Maintenance ManualKeytop Code setTable D-1 Scan codes set 1 and set 2 3/4 TECRA A3/S2 Series Maintenance ManualKeytop Code setTable D-1 Scan codes set 1 and set 2 4/4 1. * Scan codes differ by modeTable D-2 Scan codes with left Shift keyTable D-3 Scan codes in Numlock mode Table D-4 Scan codes with Fn keyTECRA A3/S2 Series Maintenance Manual Code setTable D-5 Scan codes in overlay mode Table D-6 No.124 key scan codeTECRA A3/S2 Series Maintenance Manual KeytopTable D-7 No.126 key scan code TECRA A3/S2 Series Maintenance ManualKey top ShiftAppendix E Key Layout E.1 United States US KeyboardFigure E-1 US keyboard TECRA A3/S2 Series Maintenance ManualTECRA A3/S2 Series Maintenance Manual E.2 United Kingdom UK KeyboardFigure E-2 UK keyboard E.3 Spanish SP Keyboard E.4 Japanese JA KeyboardFigure E-3 SP keyboard Figure E-4 JA keyboardTECRA A3/S2 Series Maintenance Manual E.5 Korean KO KeyboardFigure E-5 KO keyboard TECRA A3/S2 Series Maintenance Manual E.6 French FR KeyboardFigure E-6 FR keyboard E.7 French-Canadian Keyboard E.8 Portuguese KeyboardFigure E-7 FR-C keyboard Figure E8 Portuguese keyboardE.9 US-INTERNATIONAL Keyboard E.10 GreeceGR KeyboardFigure E-9 US-INTE Keyboard Figure E-10 GR keyboardE.11 Chinese-T Keyboard E.12 Swedish KeyboardFigure E-11 CH-T keyboard Figure E-12 Swedish keyboardE.13 ITALIAN Keyboard E.14 CZECH KeyboardFigure E-13 IT keyboard Figure E-14 Czech keyboardTECRA A3/S2 Series Maintenance Manual E-10Appendix F Series Screw Torque List Table F-1Series Screw Torque List TECRA A3/S2 Series Maintenance ManualPage TECRA A3/S2 Series Maintenance Manual SCREW P/NSCREW SPEC LOCATIONTECRA A3/S2 Series Maintenance Manual Appendix G Reliability Table G-1 MTBFTECRA A3/S2 Series Maintenance Manual ComponentTECRA A3/S2 Series Maintenance Manual

Table 2-2 DC-IN LED

AC-IN LED

Power supply status

Solid on

AC power exists (LED is solid green).

No AC power exists.

Procedure 2 Adaptor / battery replacement