Troubleshooting Power Supply | Toshiba PTA71, PTA70, PSAA9 specs

2 Troubleshooting

2.3 Power Supply

2.3 Power Supply

The power supply in the computer controls many functions and components. To check if the power supply is defective or malfunctioning, follow the troubleshooting procedures below as instructed.

Procedure 1 Power Icon Check

Procedure 2 Connection Check

Procedure 3 Replacement Check

Procedure 1 Power Icon Check

The following two power LEDs indicate the power supply status:

Battery LED

DC IN LED

The power supply controller displays the power supply status through the Battery and DC IN LEDs as in the tables below.

Battery LED

Battery LED	Power supply status

On in Amber	Battery being charged

On in Green/Blue	Battery fully charged, with AC adapter connected

Blinking in Amber	Battery low *1 while driving the computer
(at equal intervals)

Off	Else

2-6	Satellite A100/A105 / TECRA A7 Maintenance Manual

Image 48

Toshiba PTA71, PTA70, PSAA9 manual Troubleshooting Power Supply, Procedure 1 Power Icon Check

Contents

PSAA8/PSAA9 Copyright DisclaimerTrademarks Safety Precautions Preface Satellite A100/A105 / Tecra A7 Maintenance Manual Conventions AcronymsKeys Key operation User input Table of Contents LAN Chapter Diagnostic Programs General Satellite A100/A105 / Tecra A7 Maintenance Manual Chapter Replacement Procedures HDD CPU Installing the System Board, MIC cable, AC in cable… Appendices Hardware Overview Hardware Overview Chapter Contents Figures Tables Features Features Hardware Overview Hardware Overview Features ‰ ODD ‰ LAN Hardware Overview Features Features Hardware Overview Id Parts description placement Computer Block diagram ODD System Unit Components System Unit Components Hardware Overview Hardware Overview System Unit Components System Unit Components Hardware Overview − RTC − Gpio System Unit Components Hardware Overview Hardware Overview System Unit Components 2.5-inch HDD 2.5-inch HDD specifications 2.5-inch HDD DVD-ROM Drive DVD-ROM CD-RW/DVD-ROM drive specifications CD-RW/DVD-ROM Drive DVD Super Multi drive +-R Double Layer specifications DVD Super Multi +-R Double Layer Power Supply Main Battery Battery Charging ControlBatteries Hardware Overview Batteries RTC Battery Quick/normal charging time Chapter Troubleshooting Troubleshooting Contents Troubleshooting HDD error code and status Outline Troubleshooting Outline Basic Flowchart Troubleshooting Basic Flowchart Basic Flowchart Troubleshooting Basic flowchart1/2 END Basic Flowchart Troubleshooting Troubleshooting Power Supply Procedure 1 Power Icon Check Power Supply Troubleshooting DC in LED Procedure 2 Connection Check Procedure 3 Replacement Check System Board Troubleshooting Procedure 1 Message CheckSystem Board Troubleshooting System Board Procedure 2 Test Program Check Troubleshooting 2.5-inch HDD Procedure 1 Message CheckProcedure 2 Partition Check 2.5-inch HDD Troubleshooting Procedure 3 Format Check Procedure 4 Test Program Check Code Status Procedure 5 Connector Check and Replacement Check Keyboard Troubleshooting Procedure 1 Test Program CheckProcedure 2 Connector Check and Replacement Check Keyboard Troubleshooting Display Procedure 1 External Monitor CheckProcedure 2 Test Program Check Procedure 3 Connector Check and Replacement Check Display Troubleshooting Troubleshooting ODD Drive Procedure 1 ODD Cleaning CheckODD Optical Disk Drive ODD Drive Troubleshooting LAN SD Card/Memory Stick Troubleshooting Procedure 2 Connector Check10 SD/MS/MS pro/MMC/XD CardOptional Troubleshooting Finger PrintOptional Finger PrintOptional 12 3D Sensor Troubleshooting Procedure 2 Replacement Check12 3D Sensor Parallel PortOptional Audio Test Troubleshooting Audio Test Troubleshooting 15IEEE 1394 Test Ieee 1394 Test 16Cooling Module Troubleshooting Cooling Module Troubleshooting Cooling Module Diagnostic Programs Diagnostic Programs Diagnostic Programs Page General Diagnostic Programs General General Quick Start Diagnostic Programs Quick StartQuick Test Customization Test Diagnostic Programs Quick Start CPU Speed Test Step by Step Diagnostic Programs Quick Start Keyboard Layout test Hotkey Test Audio Play TestAudio Record Test DMI Read DMI Write 9 3D Sensor Test Judgment Rear Upper Right Upper Front Upper Test5 Fprd Test Fenr TestIrDA ManMaster Test IrDA ManSlave Test System Information Diagnostic Programs Quick Start Diagnostics Screen Explanation View LogsExit to MS DOS Diagnostics Windows Test Running Status and Report Panel ‹ Program Name and Its Version Service Diagnostic Ver1.10 Title Bar Diagnostic Programs Quick Start Option Diagnostic Programs OptionsOverview Options Menu Notes Diagnostic Programs Option Batch Parameters Configuration Wait On Error Break On ErrorPause Enable Monitor Battery Life Item’s Parameters Configuration Parameters Load Batch Parameters LOG Parameters Setting Save Batch ParametersReport Destination Specify LOG Viewer Display LOG File LOG Viewer ↑, ↓ Up, Page DownEsc Ctrl+Home LOG File Sample Diag Report Subtests Diagnostic Programs Subtests Diagnostic Programs Subtests HDD Comm LPT Diagnostic Programs System Test System TestSubtest 01 CPU NPU Basic Functions Test NPU Interrupt TestSubtest 02 Boards Subtest 03 FAN Speed Test System Test Diagnostic Programs Memory Test Subtest 01 Bios ROMMemory Test Subtest 02 Parity Subtest 03 Patterns Subtest 04 Extended Pattern Subtest 05 Walking 1’s Test Subtest 06 Walking 0’s Test Subtest 07 Memory Address Subtest 08 Refresh TestSubtest 09 Cache Memory Subtest 10 Random Memory Subtest 12 Memory Speed Test Diagnostic Programs Storage Password：hard diskStorage Subtest 01 HDD Storage Diagnostic Programs Subtest 02 ODD Storage Diagnostic Programs Diagnostic Programs Video VideoSubtest Video Diagnostic Programs Diagnostic Programs Video Subtest 02 640 * 480 VGA Mode Subtest 03 Vesa Video Modes Subtest 04 Vesa Video Memory Subtest 05 AGP Test Subtest 06 LCD Panel Test Subtest 08 Color Purity Test Subtest 09 Direct Color Test Subtest 10 DAC/Palette Address Subtest 11 BitBlt Engine Test Peripheral Diagnostic Programs Communication Comm Subtest 02 LAN Card Subtest 1394 Peripheral Diagnostic Programs Error Codes and description 11Error Codes and Description Diagnostic Programs Diagnostic Programs 11Error Codes and Description 03xx Board FAN LPT Can not find IEEE1394 ODD Quick Test Item List3 Diagnostic Programs Quick Test Item List Chapter Replacement Procedures Replacement Procedures General CPU Replacement Procedures Figures Replacement Procedures General HDD Replacement Procedures General Safety Precautions General Before You Begin Disassembly Procedures Assembly Procedures Tools and Equipment Screw Tightening Torque Symbols of Screws on the Computer Body Symbol examplesColors of Screw Shanks Removing the Battery Pack Removing the battery pack Installing the Battery Pack Removing the PCI Express Card Removing the PCI express card Installing the PCI Express Card Removing the Optional PC Card Removing the PC card Installing the Optional PC Card Removing the Memory Card Removing the memory card Installing the Memory Card Removing the Optional Memory Removing the optional memory cover Removing the optional memory Installing the Optional Memory Removing the MDC Card Removing the MDC card Installing the MDC Card Replacement Procedures HDD HDDRemoving the HDD 10 Removing the HDD pack Installing the HDD Speaker Cover and Keyboard Speaker Cover and KeyboardRemoving the Speaker Cover and Keyboard Replacement Procedures Speaker Cover and Keyboard Installing the Speaker Cover and Keyboard Bluetooth Card Bluetooth CardRemoving the Bluetooth Card Replacement Procedures Bluetooth Card Installing the Bluetooth Card Wireless LAN Card Wireless LAN CardRemoving the Wireless LAN Card Replacement Procedures Wireless LAN Card Installing the Wireless LAN Card ODD Bay Module ODD Bay ModuleRemoving the ODD Bay Module Replacement Procedures ODD Bay Module Installing the ODD Bay Module Disassembling the ODD Drive Assembling the ODD Drive Display Assembly Replacement Procedures Display AssemblyRemoving the Display Assembly 20 Removing the display assembly Installing the Display Assembly Replacement Procedures Top Cover Top CoverRemoving the Top Cover 22 Removing the top cover Installing the Top Cover CPU Cooling Module and Fan CPU Cooling Module and FanRemoving the CPU Cooling Module and Fan for VGA card Model 23 Removing the CPU cooling module and fan Install the CPU Cooling Module and Fan for VGA card Model Removing the CPU Cooling Module and Fan 25 Removing the CPU cooling module and fan Install the CPU Cooling Module and Fan 26 Applying silicon grease Replacement Procedures VGA Board for VGA Board Model VGA Board for VGA Board ModelRemoving the VGA Board Installing the VGA Board Replacement Procedures 11 CPU 11 CPURemoving the CPU Installing the CPU 29 Installing the CPU 30 Securing the CPU USB Board, Finger Print Board and Print Board Installing the USB Board, Finger Print Board and Print Board System Board, MIC cable, AC-IN Cable 32 Removing the system board Replacement Procedures System Board, MIC cable, AC-IN Cable Installing the System Board, MIC cable, AC-IN cable Display Mask Display Mask Removing the Display Mask Replacement Procedures Display Mask Installing the Display Mask FL Inverter Board FL Inverter Board Removing the FL Inverter Board Installing the FL Inverter Board LCD Module LCD Modules Removing the 15.4-inch LCD module Replacement Procedures LCD Module 36 Removing the 15.4-inch LCD module Installing the 15.4-inch LCD Module Replacement Procedures Speakers Installing the SpeakersSpeakers Removing the Speakers Switch Cover and Switch board 38 Removing the switch cover 39 Removing the switch Board Install the Switch Cover and Switch Board 40 Removing the switch board 4. Remove the switch board Replacement Procedures Touch Pad and Button Board 41 Removing the touch pad and button board Installing the Touch Pad and Button Board Removing the Touch Pad and Button Board for Commercial Model Replacement Procedures Appendices Satellite A100/A105 / Tecra A7 Maintenance Manual Appendix Contents App-iv Appendix H Grease Information ………………………………………………H-1 Appendix D Keyboard Scan/Character Codes Figure B-1 Board layout front App-vii Table D-7 Precautions for handling the LCD module Apx. a Handling the LCD Module Appendices Appendices Apx. a Handling the LCD Module Apx. a Handling the LCD Module Appendices Appendices Apx. a Handling the LCD Module Apx. a Handling the LCD Module Appendices Appendix B Board Layout System Board Front View Apx. B Board Layout Appendices Appendices Apx. B Board Layout Appendices Apx. C Pin Assignments Appendix C C-3 Jack RJ45 Cable Connector 12-Pin CN2 USB Port0/Port1 Connector 8-PinLCD/FL Inverter Connector 40-Pin System Board CRT Connector 15-Pin Internal Left Speaker Connector 4-PinConnector pin assignments 15-Pin CN6 Battery Connector 7-Pin Parallel/B Connector20-PinInternal Right Speaker Connector 2-Pin Table C-6 Battery Connector pin assignments 7-Pin CN10 VGA Card Connector 242-Pin Table C-9 Blue Tooth Connector pin assignments 20-PinTable C-10 VGA Card Connector pin assignments 242-Pin PCIERST# PEGCRXN8 Crtddcclk 11 CN11 Internal Keyboard Connector 34-Pin 12 CN12 Touch Pad Connector 12-PinTable C-12 Touch Pad Connector pin assignments 12-Pin 13 CN13 FAN Connector 3-Pin 14 CN14 LED Connector 16-PinCN15 Touch Pad Board Connector 6-Pin CN16 Mini PCI GND Connector 1-Pin 17 CN18 Stick Point Connector 8-Pin CN19 Mini PCI Connector 52-PinTable C-17 Stick Point Connector pin assignments 8-Pin Table C-18 Mini PCi Connector pin assignments 52-Pin Table C-19 ODD Connector pin assignments 50-Pin 19 CN20 20 CN21 Video Connector 4-Pin CN22 Ieee 1394 Connector 4-PinCN23 FingerPrint/B Connector 8-Pin CN24 HDD Connector 22-Pin 24 CN25 Card Reader Socket 44-Pin Table C-24 Card Reader Socket pin assignments 44-Pin 25 CN26 USB Port#2/#3 Connector 20-Pin Table C-25 USB Port#2/#3 Connector pin assignments 20-PinCN27 PCMCIA/NEW Card Socket 150-Pin Table C-26 PCMCIA/NEW Card Socket pin assignments 150-Pin 101 27 CN501 RJ11 Cable Connector 2-Pin Table C-27 RJ11 Cable Connector pin assignments 2-Pin 28 CN502 Docking Connector 240-Pin Table C-28 Docking Connector pin assignments 240-Pin EJECTRQ# Mousdt Dgnd DINL+ CN504 LAN Cable to Docking Connector 9-Pin Table C-29 Power Cable Connector pin assignments 4-Pin CN506 Modem Connector 12-Pin Table C-31 Modem Connector pin assignments 12-Pin32 CN507 DDR2 DIMM0 Socket 200-Pin Table C-32 DDR2 DIMM0 Socket pin assignments 200-Pin MDATA10 MDATA11 123 MDATA32 125 MDATA33 127 33 CN508 DDR2 DIMM1 Socket 200-Pin Table C-33 DDR2 DIMM1 Socket pin assignments 200-Pin MCKE0 +V1.8 MA17 MA12 MA9 MA8 MA5 MA3 100 101 102 103 104 123 MDATA32 124 125 MDATA33 126 127 34 CN2000 Touch PAD FFC Connector 6-Pin 35 CN3000 USB Board Connector 20-PinTable C-34 Touch PAD FFC Connector pin assignments 6-Pin Table C-35 USB Board Connector pin assignments 20-Pin CN3001 USB Port 3 Connector 4-Pin CN3002 USB Port 2 Connector 4-PinCN4000 LED Board Connector 16-Pin CN5000 Parallel Board Connector 20-Pin CN5001 Parallel Port Connector 25-Pin CN5002 Touch Pad Board Connector 6-PinJack 1 Micro Phone Connector 6-Pin Jack 2 Head Phone Connector 6-Pin FINGER1 Finger Print Connector 3-PinTable C-43 Head Phone Connector pin assignments 6-Pin Table C-44 Finger Print Connector pin assignments 3-Pin Appendix D Keyboard Scan/Character Codes Keyboard Scan/Character Codes Appendices Table D-1 Scan codes set 1 and set 2 2/4 Table D-1 Scan codes set 1 and set 2 3/4 Table D-1 Scan codes set 1 and set 2 4/4 Table D-2 Scan codes with left Shift key Appendices Keyboard Scan/Character Codes Table D-4 Scan codes with Fn key Table D-5 Scan codes in overlay mode Table D-7 No.126 key scan code United States US Keyboard Japan JP Keyboard Spanish SP Keyboard Korean KR KeyboardApx E Key Layout Canadian-French CF Keyboard French FR Keyboard German GR Keyboard Italian IT Keyboard Taiwan TC Keyboard Portuguese PT KeyboardApx E Key Layout Appendices 11 DU, UE, US International USE Keyboard Arabic AR Keyboard Belgian be Keyboard Russian RU Keyboard Swiss/Switzerland SL Keyboard Swedish SW Keyboard Norwegian no Keyboard Danish DK Keyboard Turkey TR Keyboard Greek GK Keyboard Estonia ES Keyboard Herbrew HE Keyboard Czech CZ Keyboard Lithuanian LI Keyboard Hungary HU Keyboard Slovakia SA Keyboard Yugoslavia YU Keyboard Figure E-19 YU keyboard Apx. F Bios Rewrite Procedures Appendices Rewriting the BiosTools Apx. G EC/KBC Rewrite Procedures Appendices ToolsRewriting the EC/KBC Appendix H Grease Information Apx. H Grease Information Appendices