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Toshiba PROL450D manual System Board Bottom View, Figure B-2 System Board Layout Bottom

Models: PROL450D

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Troubleshooting Specifications Install Symbol examples Display Configuration Tests and Diagnostics  Bios ROM Eeprom Disassembly Procedures Main Battery Procedure 1 Power Status Check

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B.2 System Board Bottom View

Figure B-2 System Board Layout (Bottom)

B-2	[CONFIDENTIAL] Low Cost Los Angeles 10AL+ Maintenance Manual

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Toshiba PROL450D manual System Board Bottom View, Figure B-2 System Board Layout Bottom

Page 184 Page 186

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Contents

Toshiba Personal Computer Satellite Maintenance Manual Trademarks CopyrightDisclaimer Preface Safety Precautions Acronyms Conventions Diskcopy a B Table of Contents Tests and Diagnostics Replacement Procedures Disassembling the ODD Drive Figures Confidential Page Appendices Chapter Hardware Overview Chapter Contents Tables Page Error! Style not defined. Error! Style not defined Features  ODD  LAN Satellite L450/Pro L450/L450D/Pro L450D Maintenance Manual ID Parts Description Placement Part a System diagram of the computer Intel platform System diagram of the computer AMD platform  Bios ROM Eeprom  EC/KBC 2.5-inch HDD HDD Specifications DVD Super Multi +-R Double Layer DVD Super Multi Drive DVD Super Multi Drive Specifications Power Supply Hardware Overview Battery Charging Control Main BatteryBatteries Quick/Normal Charging Time RTC Battery Chapter Troubleshooting Procedures Page Chapter Contents Tables LAN Troubleshooting Introduction Troubleshooting Flowchart Start Does typed characters appear correctly? Troubleshooting Procedures Troubleshooting Procedures ST a R T Power Supply Troubleshooting Battery LED Procedure 1 Power Status Check Procedure 2 Adaptor / battery replacement Troubleshooting Procedures DC-IN LED Procedure 3 Power supply connection check Battery Procedure 5 Replacement check Procedure 4 Diagnostic check A R T Display Troubleshooting Procedure 2 Diagnostic check Procedure 1 External display check Procedure 3 Connector and replacement check Keyboard Troubleshooting Procedure 1 External keyboard check A R T External USB Devices Troubleshooting Procedure 2 Replace system board Procedure 1 External device and connection check Start Touchpad Troubleshooting Procedure 2 TouchPad replacement check Procedure 1 TouchPad connection check Start Speaker Troubleshooting Procedure 2 Earphone test Procedure 1 Audio source testProcedure 3 Connection check Procedure 4 Replacement check Optical drive troubleshooting process Optical drive troubleshooting Procedure 2 Drive cleaning check Procedure 1 Audio CD checkProcedure Procedure Diagnostic test Procedure 5 Connection check and replacement check Start Modem Troubleshooting Procedure 3 Modem replacement check Procedure 1 Telephone line connection checkProcedure 2 Modem card connection check 10 Wireless LAN troubleshooting process Wireless LAN Troubleshooting Procedure 2 Connector and replacement check Camera Troubleshooting Procedure Diagnostic test 12 3in 1 card troubleshooting process 13 3 in 1 card Troubleshooting Procedure 1 Bridge media assemble card test 13 HDD troubleshooting process HDD Troubleshooting Procedure Diagnostic test 14 CRT Troubleshooting Process CRT Troubleshooting Procedure 2 CRT set check Procedure 1 CRT connection check 15 Hdmi troubleshooting process Hdmi Troubleshooting Procedure 2 Hdmi set check Procedure 1 Hdmi connection check 16 MIC troubleshooting process MIC Troubleshooting Procedure Diagnostic test 17 Thermal Module troubleshooting process Thermal Module troubleshooting Procedure 3 System board replacement check Procedure 1 CPU replacement checkProcedure 2 Thermal Module replacement check 18 LAN troubleshooting process LAN troubleshooting Procedure 2 LAN port check Procedure 1 LAN connection check Tests and Diagnostics Chapter Tests and DiagnosticsPage 1st HDD Test 2nd HDD Test Read DMI Write DMI Diagnostic Test Executing the Diagnostic Test Tests and Diagnostics Tests and Diagnostics Tests and Diagnostics Display configuration Tests and Diagnostics Display Configuration Beep sound test Fan ON/OFF Test Tests and Diagnostics Main Battery Charge Test FDD Test Tests and Diagnostics Main Battery Change Test Memory check Tests and Diagnostics Memory Write Test Memory Read & Write Test Keyboard Test Tests and Diagnostics Mouse Pad Test LCD Pixels Mode Test Magnetic Switch Test If the Magnetic switch test pass, it will show below display LAN Test Tests and Diagnostics Tests and Diagnostics RTC Test Read 1394 Guid Sensor Button Test Speaker EQEqualizer Quality factor Type Check&Re-Write Front Edge Logo check Tests and Diagnostics Tests and Diagnostics 19 1st HDD Test Tests and Diagnostics 19 2nd HDD Test Tests and Diagnostics Tests and Diagnostics Tests and Diagnostics Write DMI Read DMI Tests and Diagnostics Tests and Diagnostics Chapter Replacement Procedures Replacement Procedures Replacement Procedures Replacement Procedures Figures 31 Peel off the bezel Inverter Board General Safety Precautions Replacement Procedures Before You Begin Assembly Procedures Disassembly Procedures Screw Tightening Torque Tools and Equipment Colors of Screw Shanks Symbols of Screws on the Laptop BodySymbol examples Removing the Battery Pack Battery Installing the Battery Pack Removing the HDD HDD Removing the HDD plate Installing the HDD Removing the Optional Memory Memory Installing the Optional Memory Removing the RAM from connector Removing the Wlan Card Installing the Wlan CardWlan Card Removing the Modem Card Installing the Modem CardModem Card BTO Removing the ODD Bay Module ODD Disassembling the ODD Drive Installing the ODD Bay Module Assembling the ODD Drive Removing the Keyboard Cover and Keyboard Keyboard Cover and Keyboard 11 Removing screws from the keyboard Installing the keyboard Cover and Keyboard Removing the Logic Upper Assembly Logic Upper Assembly Installing the Logic Upper Assembly Installing the power switch board Power BoardRemoving the Power Board Removing the Speakers Installing the SpeakersSpeakers Removing the Touch Pad Bracket Installing the Touch Pad BracketTouch Pad Bracket Removing the Thermal Fan Installing the Thermal FanThermal Fan Removing the Motherboard Motherboard 20 Removing the Dcin 22 Align the VGA Conn and RJ45 Conn Installing the Motherboard 24 Installing the DC-in jack Removing CPU and Thermal Module CPU and Thermal Module Replacement Procedures 26 Removing the CPU Installing CPU and Thermal Module Satellite L450/Pro L450/L450D/Pro L450D Maintenance Manual Removing the Display Assembly Display Assembly Installing the Display Assembly Removing the LCD Bezel Assembly LCD Bezel Assembly 31 Peel off the bezel Installing the Display Mask 34 Press the left and right side of the bezel 35 Press the bezel upside hooks Removing the LCD Module and Inverter Board LCD Module and Inverter Board 37 Removing the LCD Module from the LCD cover assembly 38 Removing the LCD Hinge Assembly Installing the LCD Module and Inverter Board Removing the Camera Installing the CameraCamera BTO Removing the Hinge Saddle Installing the Hinge SaddleHinge Saddle Removing the USB Board Installing the USB BoardUSB Board Removing the RJ11 Jack Installing the RJ11 Jack22 RJ11 Jack Appendix a Handling the LCD Module Precautions for handling the LCD module Satellite L450/L450D Series Maintenance Manual Confidential Confidential Confidential Figure B-1 System Board Layout Top System Board Top View Figure B-2 System Board Layout Bottom System Board Bottom View Table B-1 System Board ICs top and bottom Table B-2 System Board Connectors top and bottom PJP1 System Board Appendix C Pin Assignments Jcrt Jodd Jwlan Table C-10 Sodimm I/F pin assignments 200-PIN 2/4 Table C-10 Sodimm I/F pin assignments 200-PIN 1/4 Table C-10 Sodimm I/F pin assignments 200-PIN 3/4 Table C-10 Sodimm I/F pin assignments 200-PIN 4/4 Jmic 13 JKB Jline 15 JCS Jusbb Jread Jspkr Table D-1 Scan codes set 1 and set 2 1/4 Appendix D Keyboard Scan/Character Codes Table D-1 Scan codes set 1 and set 2 2/4 ALT R 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 Table D-4 Scan codes with Fn key Table D-3 Scan codes in Numlock mode Table D-6 No.124 key scan code Table D-5 Scan codes in overlay mode Table D-7 No.126 key scan code Appendix E Key Layout Thai TI Keyboard United Kingdom UK Keyboard Hebrew HB Keyboard Swiss SW Keyboard Czech CZ Keyboard Portuguese PO Keyboard Italian IT Keyboard German GR Keyboard Canada French CF Keyboard Spanish SP Keyboard Turkish F TF-F Keyboard Belgian be Keyboard Norwegian NW Keyboard Canadian Multinational AC Keyboard Japanese JP Keyboard Bulgaria BU Keyboard Table F-1 Series Screw Torque List Appendix F Series Screw Torque List Ktkaa Saddle to Lower Table G-1 Mtbf Appendix G Reliability

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