Toshiba PROL450D User Manuals

Table of Contents

• Maintenance Manual

  1
  • SAFETY PRECAUTIONS

    3
  • Conventions

    4
  • Acronyms

    4
  • Keys

    4
  • Key operation

    5
  • User input

    5
  • The display

    5
  • Chapter 1 Hardware Overview

    6
  • Chapter 2 Troubleshooting Procedures

    6
  • Chapter 3 Tests and Diagnostics

    7
  • Chapter 4 Replacement Procedures

    8
  • Appendices

    13
• Chapter 1

  14
  • 1.1 Features

    18
  • 1.2 2.5-inch HDD

    27
  • 1.3 DVD Super Multi (+-R Double Layer)

    28
  • 1.4 Power Supply

    29
  • 1.5 Batteries

    31
    • 1.5.1 Main Battery

      31
    • 1.5.2 Battery Charging Control

      31
    • 1.5.3 RTC Battery

      32
• Chapter 2

  33
  • Contents

    35
  • 2.1 Troubleshooting Introduction

    37
  • 2.2 Troubleshooting Flowchart

    38
  • 2.3 Power Supply Troubleshooting

    43
  • 2.4 Display Troubleshooting

    48
  • 2.5 Keyboard Troubleshooting

    51
  • 2.6 External USB Devices Troubleshooting

    53
  • 2.7 Touchpad Troubleshooting

    55
  • 2.8 Speaker Troubleshooting

    57
  • 2.9 Optical drive troubleshooting

    59
  • 2.10 Modem Troubleshooting

    62
  • 2.11 Wireless LAN Troubleshooting

    64
  • 2.12 Camera Troubleshooting

    66
  • 2.14 HDD Troubleshooting

    70
  • 2.15 CRT Troubleshooting

    72
  • 2.16 HDMI Troubleshooting

    74
  • 2.17 MIC Troubleshooting

    76
  • 2.18 Thermal Module troubleshooting

    78
  • 2.19 LAN troubleshooting

    80
• Chapter 3

  82
  • Contents

    83
  • 3.1 The Diagnostic Test

    85
  • 3.2 Executing the Diagnostic Test

    86
  • 3.3 Display Configuration

    90
  • 3.4 Beep sound test

    91
  • 3.5 Fan ON/OFF Test

    92
  • 3.6 Main Battery Charge Test

    94
  • 3. 7 FDD Test

    95
  • 3. 9 Keyboard Test

    99
  • 3.10 Mouse (Pad) Test

    101
  • 3.11 LCD Pixels Mode Test

    102
  • 3.12 Magnetic Switch Test

    103
  • 3.13 LAN Test

    105
  • 3.14 RTC Test

    108
  • 3.15 Read 1394 GUID

    109
  • 3.16 Speaker EQ(Equalizer Quality factor) Type Check&Re-Write

    110
  • 3.17 Sensor Button Test

    110
  • 3.18 Front Edge Logo check

    111
  • 3.19 1st HDD Test

    114
  • 3.19 2nd HDD Test

    116
  • 3.21 Read DMI

    120
  • 3.22 Write DMI

    120
• Chapter 4

  123
  • 4.1 General

    129
  • 4.2 Battery

    136
  • 4.3 HDD

    138
  • 4.4 Memory

    141
  • 4.5 WLAN Card

    143
  • 4.6 Modem Card (BTO)

    144
  • 4.7 ODD

    145
  • 4.8 Keyboard Cover and Keyboard

    148
  • 4.9 Logic Upper Assembly

    151
  • 4.10 Power Board

    153
  • 4.11 Speakers

    154
  • 4.12 Touch Pad Bracket

    155
  • 4.13 Thermal Fan

    156
  • 4.14 Motherboard

    157
  • 4.15 CPU and Thermal Module

    161
  • 4.16 Display Assembly

    165
  • 4.17 LCD Bezel Assembly

    167
  • 4.18 LCD Module and Inverter Board

    171
  • 4.19 Camera (BTO)

    175
  • 4.20 Hinge Saddle

    176
  • 4.21 USB Board

    177
  • 4.22 RJ11 Jack

    178
• Appendix

  179
  • Appendix A Handling the LCD Module

    179
    • Precautions for handling the LCD module

      179
  • Appendix B Board Layout

    184
    • B.1 System Board Top View

      184
    • B.2 System Board Bottom View

      185
  • Appendix C Pin Assignments

    188
    • C.1 JFAN

      188
    • C.2 JLVDS

      188
    • C.3 JCRT

      189
    • C.4 JHDMI

      189
    • C.5 JHDD0

      189
    • C.6 JODD

      190
    • C.7 JCAM

      190
    • C.8 JWLAN

      191
    • C.9 JLAN

      192
    • C.10 JDDRL, JPDDRH

      192
    • C.11 JMIC

      195
    • C.12 JLINE

      196
    • C.13 JKB

      196
    • C.14 JUSBB

      197
    • C.15 JCS

      197
    • C.16 JPOWER

      197
    • C.17 JREAD

      198
    • C.18 JEXMIC

      198
    • C.19 JSPKL

      198
    • C.20 JSPKR

      199
    • C.21 JTOUCH

      199
    • C.22 JMDC

      199
  • Appendix D Keyboard Scan/Character Codes

    200
  • Appendix E Key Layout

    208
  • Appendix F Series Screw Torque List (KTKAA)

    225
  • Appendix G Reliability

    227