Replacement Procedures4.8 CPU, Unlocking the CPU | Toshiba tecra m1

4 Replacement Procedures4.8 CPU

4. Turn the cam to the unlock position with a flat-blade screwdriver to unlock the CPU.

Figure 4-13 Unlocking the CPU

4. Lift up the CPU.

4-26	TECRA M1 Maintenance Manual (960-436)

Image 249

Toshiba tecra m1 manual Replacement Procedures4.8 CPU, Unlocking the CPU

Contents

Tecra M1 Copyright Preface Safety Precautions Tecra M1 Maintenance Manual Acronyms Conventions Tecra M1 Maintenance Manual Table of Contents Viii Tests and Diagnostics CPU Replacement Procedures Appendices Xii Hardware Overview Hardware Overview Chapter Contents Tables Figures Features Hardware Overview Features USB FDD Hardware Overview Features Features Hardware Overview Hardware Overview Features Features Hardware Overview Hardware Overview Features Front of the computer System unit configuration System Unit Block Diagram Hardware Overview System Unit Block Diagram Hardware Overview System Unit Block Diagram System Unit Block Diagram Hardware Overview Hardware Overview System Unit Block Diagram KBC Hardware Overview System Unit Block Diagram System Unit Block Diagram Hardware Overview Items 720KB mode 2MB mode 44MB mode 3.5-inch Floppy Disk Drive USB ExternalHardware Overview 3.5-inch Floppy Disk Drive USB External Specifications Items Inch HDD 2.5-inch HDD specifications 1/32.5-inch Hard Disk Drive 2.5-inch Hard Disk Drive Hardware Overview 2.5-inch HDD specifications 3/3 G8BC0000F310 G8BC00009110G8BC00004210 G8BC0000A110 Teac specifications CD-ROM drive specificationsCD-ROM Drive CD-ROM Drive Hardware Overview DVD-ROM mode CD-ROM mode DVD-ROM DriveHardware Overview DVD-ROM Drive CD-ROM, CD-ROM XA, CD-I Hitachi G8CC00015410 CD-RW/DVD-ROM Drive SpecificationsHardware Overview CD-RW/DVD-ROM Drive Teac G8CC0000Q410 CD-RW/DVD-ROM drive specifications 3/3 Specifications Panasonic G8CC00010410Hitachi G8CC00016410 Hardware Overview DVD Multi Drive DVD Multi DrivePanasonic G8CC00012410 Write Teac Hardware Overview Keyboard Keyboard TFT Color Display Hardware Overview TFT Color DisplayLCD Module Inch XGA TFT VF2092P03 FL inverter board specifications Specifications Inch SXGA+ TFT VF2074P01FL Inverter Board Power Supply Hardware Overview Power Supply B3V Hardware Overview Power Supply Power supply output rating Power Supply Hardware Overview Main Battery 10 Battery specificationsBattery name Material Output voltage Capacity Batteries Batteries Hardware Overview Battery Charging Control11 Time required for quick charges Status Charging time RTC battery 12 RTC battery charging/data preservation timeStatus Time Chapter Troubleshooting Procedures Troubleshooting Procedures Iii Troubleshooting Procedures Figures Troubleshooting Procedures Troubleshooting Troubleshooting Procedures Troubleshooting Troubleshooting Procedures Troubleshooting Flowchart Troubleshooting Flowchart Troubleshooting flowchart 1/2 Troubleshooting Flowchart Troubleshooting Procedures Troubleshooting flowchart 2/2 Troubleshooting Flowchart Troubleshooting Procedures Troubleshooting Procedures Power Supply Troubleshooting Power Supply TroubleshootingProcedure 1 Icons in the LCD Check Battery Icon Power Supply Troubleshooting Troubleshooting Procedures Procedure 2 Error Code CheckError code Where Error occurs Error code Meaning 1st Battery S3V output PGV output PTV output Troubleshooting Procedures Power Supply Troubleshooting Procedure 3 Connection Check Result code Contents Check items Procedure 4 Charge Check Procedure 5 Replacement Check System Board Troubleshooting Procedure 1 Message Check System Board Troubleshooting Troubleshooting Procedures KBC Error HDC Error Printer port LED Procedure 2 Printer Port LED Check on Boot Mode LED Status Test item Message B5H LED Status Test item Message Tecra M1 Maintenance Manual 0BH 1BH LED Status Test item Message FFH Procedure 3 Diagnostic Test Program Execution Check Procedure 4 Replacement Check Procedure 1 FDD Head Cleaning Check FDD Troubleshooting Procedure 2 Diagnostic Test Program Execution Check FDD Troubleshooting Troubleshooting ProceduresFDD error code and status Code Status Procedure 3 Connector Check and Replacement Check Troubleshooting Procedures FDD Troubleshooting HDD Troubleshooting Troubleshooting Procedures HDD Troubleshooting Procedure 2 Partition Check Troubleshooting Procedures HDD Troubleshooting Procedure 3 Format Check Hard disk drive error code and status Procedure 4 Diagnostic Test Program Execution Check Procedure 5 Connector Check and Replacement Check Procedure 1 Diagnostic Test Program Execution Check Keyboard and Touch pad Troubleshooting Procedure 2 Connector and Replacement Check Sensor/Switch Board PJ3200 Display Troubleshooting Display Troubleshooting Troubleshooting ProceduresProcedure 2 Connector and Cable Check Procedure 3 Replacement Check Troubleshooting Procedures Display Troubleshooting CD-ROM Drive Troubleshooting Troubleshooting Procedures CD-ROM Drive Troubleshooting Procedure 2 Connector Check and Replacement Check Troubleshooting Procedures CD-ROM Drive Troubleshooting DVD-ROM, CD-RW/DVD-ROM and DVD Multi Drive Troubleshooting DVD-ROM or CD-RW/DVD ROM or DVD Multi drive Modem Troubleshooting Troubleshooting Procedures Modem Troubleshooting Troubleshooting Procedures Modem Troubleshooting LAN Troubleshooting LAN Troubleshooting Troubleshooting ProceduresProcedure 1 Connector Check and Replacement Check Bluetooth Troubleshooting Troubleshooting Procedures Bluetooth TroubleshootingProcedure 1 Transmitting-Receiving Check Procedure 2 Antennas Connection Check Bluetooth Troubleshooting Troubleshooting Procedures Procedure 3 Antenna Check Procedure 4 Replacement Check Troubleshooting Procedures Wireless LAN Troubleshooting Wireless LAN Troubleshooting Wireless LAN Troubleshooting Troubleshooting Procedures Procedure 3 Antenna Check Procedure 4 Replacement Check Troubleshooting Procedures Sound Troubleshooting Sound Troubleshooting Procedure 2 Connector Check Sound Troubleshooting Troubleshooting Procedures Procedure 3 Replacement Check SD Card Slot Troubleshooting Troubleshooting Procedures SD Card Slot TroubleshootingProcedure 1 Check on Windows Procedure 2 Connector/Replacement Check Troubleshooting Procedures SD Card Slot Troubleshooting Chapter Tests and Diagnostics Tests and Diagnostics Chapter Contents 29.1 Function Description Accessing the Setup Program Diagnostic Test Tests and Diagnostics Diagnostic Test Bluetooth Test Tests and Diagnostics Diagnostic Test Executing the Diagnostic Test Tests and Diagnostics Executing the Diagnostic Test Tests and Diagnostics Executing the Diagnostic Test SUB-TEST Following message will appear Subtest Names Tests and Diagnostics Subtest NamesTest Name Subtest No Subtest Name Async Tests and Diagnostics Subtest Names Subtest names 2/3 Subtest Names Tests and Diagnostics Subtest names 3/3 System Test Tests and Diagnostics System Test System Test Tests and Diagnostics Enter Model Name ? is displayed CPU Temp = XX deg C Throttling level = XXXXh Memory Test Tests and Diagnostics Memory Test Tecra M1 Maintenance Manual Keyboard Test Tests and Diagnostics Keyboard Test Keyboard Test Tests and Diagnostics Buttons Peripheral Display Test Tests and Diagnostics Display Test Display Test Tests and Diagnostics Break Display Test Tests and Diagnostics Floppy Disk Test Tests and Diagnostics Floppy Disk Test Floppy Disk Test Tests and Diagnostics Printer Test Tests and Diagnostics Printer Test Tecra M1 Maintenance Manual Async Test Tests and Diagnostics Async Test Tecra M1 Maintenance Manual Hard Disk Test Tests and Diagnostics Hard Disk Test Hard Disk Test Tests and Diagnostics Worst pattern data Cylinder Real Timer Test Tests and Diagnostics Real Timer Test Tests and Diagnostics Real Timer Test NDP Test NDP Test Tests and Diagnostics Sub# Address Good Bad Contents Expansion Test Tests and DiagnosticsExpansion Test Select the slot to test CD-ROM/DVD-ROM Test Tests and Diagnostics CD-ROM/DVD-ROM Test Wireless LAN Test Agere Tests and Diagnostics Wireless LAN Test Agere Transmit test Tests and Diagnostics Wireless LAN Test Agere Receive test Tests and Diagnostics Wireless LAN Test Agere This Card is WEP Press any key to continue Tests and Diagnostics Wireless LAN Test Atheros Wireless LAN Test Atheros Wireless LAN Test Atheros Tests and Diagnostics Setting the responder machineSetting the tester machine Then the test returns to the main menu automatically Wireless LAN Test Calexico Wireless LAN Test Calexico Tests and DiagnosticsSetting the target machine Sound/Modem Test Tests and Diagnostics Sound/Modem Test XXX XXX XX XX*XXXX Sound/Modem Test Tests and Diagnostics When the subtest is executed, the following message appears Sound/Modem Test Tests and Diagnostics Subtest IEEE1394 Test Program Tests and Diagnostics IEEE1394 Test Program Tecra M1 Maintenance Manual Tests and Diagnostics Bluetooth Test Bluetooth Test Bluetooth Test Tests and Diagnostics Tests and Diagnostics3.21 Bluetooth Test Error code for Bluetooth test Bdaddr 1/2 Progress Bar Bluetooth Test3 Tests and Diagnostics MM P M M M P Error code for Bluetooth test Bdaddr of the DUT 1/2 Error code See the Specification of the Bluetooth System in detail Error Code and Error Status Names Error Code and Error Status Names Tests and DiagnosticsDevice name Error code Error status name HDD CD/DVD-ROM Tests and Diagnostics Hard Disk Test Detail Status Hard disk controller status register contentsHard Disk Test Detail Status BBK1 Tests and Diagnostics Head Cleaning Head CleaningFunction Description Operations Log Utilities Log Utilities Tests and Diagnostics Tests and Diagnostics Log Utilities Running Test Running Test Tests and Diagnostics Mount the work disks on the drives, then press Enter key Floppy Disk Drive Utilities Floppy Disk Drive Utilities Tests and Diagnostics Tests and Diagnostics Floppy Disk Drive Utilities Floppy Disk Format & Copy Select a drive number. Then the following message appears HDD-ID Read Tests and Diagnostics System Configuration System Configuration System Configuration Tests and Diagnostics Tests and Diagnostics Setup Setup Setup Tests and Diagnostics HDD Password Accessing the Setup Program Tecra M1 Maintenance Manual Accepting Changes and Exiting the Setup Window Factory Preset ConfigurationPassword Write Policy in the CPU Cache Setup Options Disables sleep mode Enables sleep mode. Default FDD →HDD →CD-ROM →LAN PAL Dynamically Switchable Disables the CPU cache Setup by OS COM level LPT setting Address DMA channel No Drive Left Ctrl + Left Alt Right Ctrl + Right Alt ECP USB Legacy Support cannot be used USB Legacy Support can be used. Default Tests and Diagnostics Setup Chapter Replacement Procedures Replacement Procedures General Optional PC Card Optional SD CardSlim Select Bay Module Modem Daughter Card Figures 30 Removing the Sound board 62 Replacing Sharp fluorescent lamp SXGA+ General General Replacement Procedures Safety Precautions Replacement Procedures General Before You Begin Assembly Procedures Disassembly Procedures Tools and Equipment Screw Tightening Torque Marking of Screws on the Computer Body Color of Screw Shaft Battery Pack Replacement Procedures Battery PackRemoving the Battery Pack Removing the Battery pack Battery Pack Replacement Procedures Installing the Battery Pack Optional PC Card Replacement Procedures Optional PC CardRemoving an Optional PC Card Installing an Optional PC Card Replacement Procedures Optional PC Card Installing an Optional SD Card Optional SD Card Replacement ProceduresOptional SD Card Removing an Optional SD Card Replacement Procedures HDD HDDRemoving the HDD Removing the HDD pack HDD Replacement Procedures Removing the HDD bracket Installing the HDD Replacement Procedures Slim Select Bay Module Slim Select Bay ModuleRemoving the Slim Select Bay Module Tecra M1 Maintenance Manual Installing the Slim Select Bay Module Modem Daughter Card Replacement Procedures Modem Daughter CardRemoving the Modem Daughter Card 10 Removing the Modem daughter card Replacement Procedures Modem Daughter Card Installing the Modem Daughter Card Replacement Procedures CPU CPURemoving the CPU 12 Removing the Fin CPU Replacement Procedures 13 Unlocking the CPU Replacement Procedures4.8 CPU 14Applying new grease Installing the CPU Replacement Procedures CPU Removing the Keyboard Replacement Procedures Keyboard 16 Removing the Keyboard 17 Removing the Keyboard support plate Installing the Keyboard Keyboard Replacement Procedures Replacement Procedures Memory Module Memory ModuleRemoving a Memory Module Installing a Memory Module Memory Module Replacement Procedures Replacement Procedures Sensor/Switch Board Sensor/Switch BoardRemoving the Sensor/Switch Board Installing the Sensor/Switch Board Sensor/Switch Board Replacement Procedures Replacement Procedures Touch Pad Touch PadRemoving the Touch Pad 21 Removing the Palmrest Touch Pad Replacement Procedures Replacement Procedures Touch Pad Installing the Touch Pad Wireless LAN Card Replacement Procedures Wireless LAN CardRemoving the Wireless LAN Card 24 Removing the Wireless LAN card Wireless LAN Card Replacement Procedures Installing the Wireless LAN Card Bluetooth Module Bluetooth Module Replacement ProceduresRemoving the Bluetooth Module Installing the Bluetooth Module Replacement Procedures Bluetooth Module Display Assembly Display Assembly Replacement ProceduresRemoving the Display Assembly 27 Removing the Display assembly Replacement Procedures Display Assembly 28 Removing the Display assembly Installing the Display Assembly LED Board Replacement Procedures LED BoardRemoving the LED Board Installing the LED Board Replacement Procedures LED Board Sound Board Replacement Procedures Sound BoardRemoving the Sound Board Installing the Sound Board Replacement Procedures Sound Board System Board/RTC Battery/DC-IN Jack Replacement Procedures System Board/RTC Battery/DC-IN Jack Removing the System Board/RTC Battery/DC-IN Jack Replacement Procedures System Board/RTC Battery/DC-IN Jack Tecra M1 Maintenance Manual 33 Removing the DC-IN jack Installing the System Board/RTC Battery/DC-IN Jack Replacement Procedures USB Board USB BoardRemoving the USB Board Installing the USB Board USB Board Replacement Procedures Replacement Procedures 20 Fan 20 FanRemoving the Fan Installing the Fan 20 Fan Replacement Procedures Replacement Procedures Display Mask Display MaskRemoving the Display Mask Installing the Display Mask Display Mask Replacement Procedures Replacement Procedures4.22 FL Inverter FL InverterRemoving the FL Inverter Installing the FL Inverter FL Inverter Replacement Procedures Replacement Procedures LCD Module LCD ModuleRemoving the LCD Module 39 Removing the LCD module LCD Module4 Replacement Procedures 40 Removing the LCD module Installing the LCD Module LCD Module Replacement Procedures Wireless LAN Antenna/Bluetooth Antenna/Display Cover/Speaker 42 Removing the Cable holder M2.5⋅4 Tapping screw 43 Removing the cables 44 Removing the Hinge 45 Removing the Wireless LAN/Bluetooth antenna 46 Removing the LCD cable 47 Removing the Speaker cable 48 Removing the Speaker and Side cover 49 Removing the Hinge 50 Installing the wireless LAN/Bluetooth antenna Replacement Procedures Fluorescent Lamp Replacement Procedures Fluorescent LampType Supplier Section Replacement Procedures Fluorescent Lamp 51 Replacing Toshiba fluorescent lamp XGA 52 Replacing Toshiba fluorescent lamp XGA 53 Replacing Toshiba fluorescent lamp XGA 54 Replacing Toshiba fluorescent lamp XGA 55 Replacing Toshiba fluorescent lamp XGA Assembling the 14.1-inch XGA Toshiba Fluorescent Lamp 57 Replacing Toshiba fluorescent lamp XGA Be careful not to damage the TAB 58 Replacing Toshiba fluorescent lamp XGA 59 Replacing Toshiba fluorescent lamp XGA 60 Replacing Toshiba fluorescent lamp XGA 61 Replacing Toshiba fluorescent lamp XGA 62 Replacing Sharp fluorescent lamp SXGA+ 63 Replacing Sharp fluorescent lamp SXGA+ 64 Replacing Sharp fluorescent lamp SXGA+ Replacement Procedures4.25 Fluorescent Lamp 65 Replacing Sharp fluorescent lamp SXGA+ 66 Replacing Sharp fluorescent lamp SXGA+ 67 Replacing Sharp fluorescent lamp SXGA+ 68 Replacing Sharp fluorescent lamp SXGA+ 69 Replacing Sharp fluorescent lamp SXGA+ 70 Replacing Sharp fluorescent lamp SXGA+ 71 Replacing Sharp fluorescent lamp SXGA+ Fluorescent Lamp4 Replacement Procedures Assembling the 14.1-inch SXGA+ Sharp Fluorescent Lamp Appendices Appendices Appendix Contents Appendix F Wiring Diagrams Appendices Figure B-1 System board FGFSY* layout front Table B-6 USB board FGFUS* connectors back App-viii Appendix a Handling the LCD Module Appendices Precautions for handling the LCD module Appendices Appendix a Handling the LCD Module Appendix a Handling the LCD Module Appendices Appendices Appendix a Handling the LCD Module Appendix a Handling the LCD Module Appendices Appendices Appendix a Handling the LCD Module Appendix B Board Layout Appendices System Board FGFSY* Front View EC/KBC Mark Number Name Figure B-2 System board FGFSY* layout back System Board FGFSY* Back View MCH-M Back Sound Board FGFSD* Front and Back View Appendices Appendix B Board Layout LED Board FGFLE* Front and Back View Sensor/Switch Board FGFLS* Front and Back View USB Board FGFUS* Front and Back View Table C-1 Memory 1 connector 200-pin 1/3 Pin No Signal NameApx.C Pin Assignments Appendices GND SDQ30R-B2P SDQ29R-B2P SDQ31R-B2P SDQ28R-B2P SDQ35R-B2P PJ1002 Memory 2 connector 200-pin Table C-2 Memory 2 connector 200-pin 1/3AppendicesApx.C Pin Assignments SCB6B-B2P SCB7B-B2P GND SCK4-B2N Appendix C Pin Assignments Appendices Table C-3 HDD interface connector 44-pin Table C-4 Select Bay interface connector 72-pin PJ1511 Select Bay interface connector 72-pin Table C-5 PC-Card interface connector 150-pin 1/2 PJ1512 PC-Card interface connector 150-pin Appendices Apx.C Pin Assignments ACAD16-BYP PJ123 Keyboard interface connector 34-pin PJ1514 SD Card interface connector 12-pinTable C-6 SD Card interface connector 12-pin Table C-7 Keyboard interface connector 34-pin PJ1101 LED board interface connector 14-pin PJ2003 PAD interface connector 8-pin10 PJ1000 Sensor/Switch board interface connector 10-pin 11 PJ2026 Speaker Right connector 3-pin Table C-12 Speaker Left connector 2-pin 12 PJ2027 Speaker Left connector 2-pin Table C-13 Docking interface connector 240-pin 1/4 13 PJ2007 Docking interface connector 240-pin Table C-13 Docking interface connector 240-pin 2/4 GND PDB01-P5P STROB-P5N 229 Table C-14 Mini PCI interface connector 124-pin 1/2 14 PJ2015 Mini PCI interface connector 124-pin Table C-14 Mini PCI interface connector 124-pin 2/2 15 PJ2017 MDC1 interface connector 30-pin 16 PJ1003 MDC2 interface connector 2-pin17 PJ2019 Serial interface connector 9-pin 19 PJ2033 USB0 interface connector 4-pin 18 PJ2020 Parallel interface connector 25-pin20 PJ2034 USB1 interface connector 4-pin 21 PJ1004 USB board interface connector 6-pin 23 PJ1100 Sound board interface connector 30-pin 22 PJ4900 Bluetooth interface connector 20-pinTable C-22 Bluetooth interface connector 20-pin Table C-23 Sound board interface connector 30-pin 25 PJ4500 LAN interface connector 14-pin 24 PJ651 Ieee 1394 interface connectorPJ8800 DC-IN connector 4-pin 27 PJ8810 1st Battery connector 10-pin 29 PJ8770 FAN interface connector 3-pin 28 PJ1005 RTC Battery connector 2-pin30 PJ5500 LCD interface connector 41-pin Table C-28 RTC Battery connector 2-pin PJ5501 TV connector 4-pin PJ5523 CRT interface connector 15-pin 35 PJ3002 External Microphone connector 6-pin 34 PJ3001 Internal Microphone connector 2-pinTable C-33 System board interface connector 30-pin Table C-35 External Microphone connector 6-pin Table C-36 Headphone connector 6-pin PJ3003 Headphone connector 6-pin Table C-37 System board interface connector 14-pin LED Board 37 PJ3100 System board interface connector 14-pin Table C-38 System board interface connector 10-pin 40 PJ3301 USB port 2 connector 4-pin Table C-39 System board interface connector 6-pinTable C-40 USB port 2 connector 4-pin Appendix C Pin Assignments Appendices Appendix D Keyboard Scan/Character Codes Table D-1 Scan codes set 1 and set 2 1/4Cap Keytop Code set Make Break Caps Lock Enter Shift L No.102 ALT R 122 F11 123 F12 124 PrintSc 126 Pause 202 203 Win 204 App With left Shift With right Shift Set AA E0 2A E0 F0 12 E0 Cap Code set Keytop Make Break Table D-4 Scan codes with Fn key Table D-6 No.124 key scan code Key Shift Code set Top Make United Kingdom UK Keyboard United States US KeyboardAppendix E Key LayoutAppendices Appendices Appendix E Key Layout Parallel Port Wraparound Connector Serial Port Wraparound ConnectorAppendix F Wiring Diagrams Appendices AppendicesAppendix F Wiring Diagrams LAN Loopback Connector Appendix G Bios Rewrite Procedures Appendices Rewriting the BiosTools Appendices Appendix G Bios Rewrite Procedures Rewriting the EC/KBC Appendix H EC/KBC Rewrite Procedures Appendices Appendices Appendix H EC/KBC Rewrite Procedures Appendix I ReliabilityAppendices Table I-1 MtbfTime hours Appendices Appendix I Reliability