Toshiba L670 - Manual

Toshiba L670

Toshiba L670 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Copyright
  • Page 3 – Preface; SAFETY PRECAUTIONS
  • Page 4 – Conventions; Acronyms; boldface; Key operation
  • Page 5 – means; Ctrl; and at the same time press
  • Page 6 – Table of Contents; Chapter 1
  • Page 7 – CRT failure Troubleshooting ................................................................. 40; Figures; Figure 2-2 Power Supply Troubleshooting Process..............................................9
  • Page 8 – Chapter 3; Test; Chapter 4
  • Page 12 – Fehler! Textmarke nicht
  • Page 13 – Figure 4.40 Removing the LCD Module from the LCD cover assembly; Figure 4.43 Removing the LVDS cable from the LCD panel; Appendix E
  • Page 14 – Hardware Overview
  • Page 17 – Features
  • Page 19 – eSATA
  • Page 21 – Figure 1-1A shows the computer and its system unit configuration.; Figure 1-1A ID Parts Description Placement Part A
  • Page 26 – SATA HDD; Item
  • Page 27 – DVD Super Multi Drive
  • Page 28 – Blu-ray Disc Drive specifications
  • Page 29 – Power Supply
  • Page 30 – Output monitor
  • Page 31 – Batteries; The computer has the following two types of batteries:; Main Battery; Battery Charge; State Charge
  • Page 32 – Any of the following can stops battery charge:; RTC Battery
  • Page 33 – Troubleshooting Procedures; Chapter 2
  • Page 36 – Tables; Troubleshooting Introduction
  • Page 37 – Troubleshooting Flowchart
  • Page 41 – Yes; ual
  • Page 45 – Power Supply Troubleshooting
  • Page 46 – Procedure 1; Table 2-1 Battery LED; Battery State
  • Page 47 – Power supply status
  • Page 48 – Procedure 3
  • Page 49 – Procedure 4; Reinstall the battery pack.; Procedure 5; Replacement Procedures
  • Page 50 – Display Troubleshooting; Figure 2-3 Display troubleshooting process
  • Page 51 – Tests and
  • Page 52 – Replacement Procedures,
  • Page 53 – Keyboard Troubleshooting
  • Page 54 – test and Diagnostics; Procedure 2
  • Page 55 – External USB Devices Troubleshooting; Figure 2-5 External USB device troubleshooting process
  • Page 57 – Touch Pad Troubleshooting
  • Page 60 – Speaker Troubleshooting; Figure 2-7 Speaker troubleshooting process
  • Page 62 – Optical Drive Troubleshooting; Figure 2-8 Optical drive troubleshooting process
  • Page 65 – Modem Troubleshooting; S T A R T
  • Page 66 – Figure 2-9 Modem troubleshooting process
  • Page 68 – Wireless LAN Troubleshooting; Figure 2-10 Wireless LAN troubleshooting process
  • Page 70 – Camera Troubleshooting; Figure 2-11 Camera troubleshooting process
  • Page 72 – Bluetooth Troubleshooting; Figure 2-12 Bluetooth troubleshooting process
  • Page 73 – Replacement
  • Page 74 – Bridge Media Slot Troubleshooting; START; Figure 2-13 Bridge Media Slot troubleshooting process
  • Page 79 – CRT Troubleshooting; Figure 2-15 CRT troubleshooting process
  • Page 81 – HDMI Troubleshooting; Figure 2-16 HDMI troubleshooting process
  • Page 82 – MIC Troubleshooting
  • Page 85 – E-SATA Troubleshooting
  • Page 86 – Figure 2-18 E-SATA troubleshooting process
  • Page 87 – LAN Troubleshooting; Figure 2-19 LAN troubleshooting process
  • Page 89 – Tests and Diagnostics
  • Page 91 – The Diagnostic Test; NOTES: To start the diagnostics, follow these steps
  • Page 92 – Executing the Diagnostic Test
  • Page 96 – Display Configuration; This Item will show the unit configuration. It includes:
  • Page 97 – Audio Sound Test; Buffalo only have one speaker, no need test Left/Right Speaker
  • Page 98 – Tests and Diagnostics
  • Page 102 – Main Battery Charge Test; . 65W with 19V DC for UMA model; This test shows and measures the main battery:
  • Page 105 – Memory Check; Before Memory test start, you should choice the below item:
  • Page 111 – LCD Pixels Mode Test; This LCD pixels mode test checks whether video display is fine.
  • Page 112 – Magnetic Switch Test; Follow below steps to run this test:
  • Page 114 – NOTE: LAN loopback needs to plug in before test begins.
  • Page 117 – HDD Test; You can press “Ctrl + Fn + Break” key to stop HDD test if you want; HDD ok or not. First, please select HDD test
  • Page 127 – Toshiba Logo setting; Set the computer’s Toshiba Logo for other region except Japan SKU.
  • Page 129 – Dynabook Logo Setting; Set the computer’s Dynabook Logo for Japan SKU.
  • Page 131 – Replacement Procedures
  • Page 137 – General; For removing the Motheroard:
  • Page 138 – Safety Precautions
  • Page 140 – Before You Begin; Disassemble the laptop only when an abnormality has occurred.
  • Page 141 – Disassembly Procedures; The cable connectors come in these two basic types:; Assembly Procedures; Check that all the cable and connectors are fastened securely.
  • Page 142 – Tools and Equipment
  • Page 143 – Colors of Screw Shanks
  • Page 144 – Battery; Removing the Battery Pack; Turn the laptop upside down.
  • Page 145 – Installing the Battery Pack; Install the battery pack according to the following procedures.
  • Page 146 – HDD; Removing the HDD; Loosen the screw securing the logic lower door.
  • Page 148 – Installing the HDD; Install the HDD according to the following procedures.
  • Page 151 – Memory; Removing the Optional Memory
  • Page 152 – Installing the Optional Memory; Insert the memory into the connector at an angle of 45 degrees.
  • Page 153 – ODD; Removing the ODD; Figure
  • Page 154 – Installing the ODD; Assembling the ODD Drive
  • Page 155 – Keyboard Cover and Keyboard; Removing the Keyboard Cover and Keyboard; Open the display panel.
  • Page 157 – Installing the Keyboard Cover and Keyboard; Connect the FPC to the motherboard.
  • Page 158 – Logic Upper Assembly; Removing the Logic Upper Assembly
  • Page 160 – Installing the Logic Upper Assembly; Connect the touchpad FFC to the motherboard.
  • Page 161 – Touchpad FFC; Removing the Touchpad FFC; Turn the logic upper assembly upside down.; Installing the Touchpad FFC; Install the touchpad FFC according to the following procedures.
  • Page 162 – WLAN Card; Removing the WLAN Card; Disconnect the two antenna cables from the WLAN card.
  • Page 163 – Installing the WLAN card; Install the WLAN card according to the following procedures.
  • Page 164 – Modem Card; Removing the Modem Card; Remove the two M2x3 screws securing the modem card.
  • Page 166 – USB Board; Removing the Right USB Board on the Right Side; Disconnect the USB board FFC from the motherboard.; Installing the Right USB Board; Seat the USB board in the logic lower assembly.
  • Page 167 – ODD Board; Removing the ODD Board; Disconnect the ODD board FFC from the motherboard.; Installing the ODD switch board; Install the power switch according to the following procedures.
  • Page 168 – Touchpad Button Board; Removing the Touchpad Button Board; Installing the touchpad button switch board
  • Page 169 – Power Board; Removing the Power Board; Disconnect the power board FFC from the motherboard.
  • Page 170 – Installing the Power Board; Install the power board according to the following procedures.
  • Page 171 – Bluetooth Card; Removing the Bluetooth card; Disconnect the Bluetooth cable from the motherboard
  • Page 172 – Installing the Bluetooth card; Connect the Bluetooth cable to the Bluetooth card.
  • Page 173 – Display Assembly; Removing the Display Assembly; Remove the LVDS cable from the logic lower assembly’s rib.
  • Page 175 – Installing the Display Assembly; tape
  • Page 176 – Thermal Fan; Removing the Thermal Fan; Remove the thermal fan from the logic lower assembly.; Installing the Thermal Fan; Install the thermal fan according to the following procedures.
  • Page 177 – Motherboard; Removing the Motherboard; Pull out the DC-IN connector from the routing channel.
  • Page 178 – Installing the Motherboard; Install the motherboard according to the following procedures.
  • Page 179 – Speakers; Removing the Speakers; Remove the left and right speakers from the logic upper assembly.; Installing the Speakers; Install the speakers according to the following procedures.
  • Page 180 – Removing the RJ11 Cable; Remove one tape from the logic lower assembly.; Tape
  • Page 181 – Installing the RJ11 Cable; Install the RJ11 cable according to the following procedures.
  • Page 182 – CPU and Thermal Module; Removing the CPU and Thermal Module; When removing the thermal module, keep the following in mind:
  • Page 184 – Installing the CPU and Thermal Module; Make sure the cam is in the unlock position.
  • Page 185 – Discrete thermal module
  • Page 186 – LCD Bezel; Removing the LCD Bezel; Remove the six screw rubbers on the LCD bezel.
  • Page 190 – LCD Module; Removing the LCD Module
  • Page 193 – Installing the LCD Panel
  • Page 194 – Camera Module; Removing the Camera Module; Peel the camera module off the LCD cover assembly.; Installing the Camera Module; Install the Camera Module according to the following procedures.
  • Page 195 – Antennas for WLAN; Removing the Antennas for WLAN; Carefully peel the antennas from the LCD cover assembly.; Installing the Antennas for WLAN
  • Page 197 – Appendix A Handling the LCD Module; Precautions for handling the LCD module
  • Page 202 – Appendix B Board Layout
  • Page 210 – Appendix C Pin Assignments; System Board; Signal name
  • Page 226 – Appendix D Keyboard Scan/Character Codes
  • Page 229 – key gives different codes.; Fn; key does not generate a code by itself.
  • Page 230 – Table D-2 Scan codes with left Shift key; Shift
  • Page 231 – Table D-3 Scan codes in Numlock mode; Table D-4 Scan codes with Fn key; Cap
  • Page 232 – Table D-5 Scan codes in overlay mode
  • Page 234 – Appendix E Key Layout; Figure US keyboard
  • Page 244 – Figure TR keyboard
  • Page 250 – Figure LA keyboard
  • Page 251 – NALAA SCREW TORQUE LIST; ITEM SCREW; LCD ASSY; MB ASSY; LOGIC ASSY
  • Page 254 – ODD ASSY; other parts
  • Page 255 – Appendix G Reliability; Component Time
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Toshiba Personal Computer

Satellite & Satellite Pro

Maintenance Manual

TOSHIBA CORPORATION

[CONFIDENTIAL]

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Summary

Page 2 - Copyright

ii [CONFIDENTIAL] Satellite L670/L675/ Pro L670/L675 Series Maintenance Manual Copyright © 2009 by Toshiba Corporation. All rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written permission of Toshiba. No patent liability is assumed with res...

Page 3 - Preface; SAFETY PRECAUTIONS

Satellite L670/L675/ProL670/L675 Series Maintenance Manual [CONFIDENTIAL] iii Preface This maintenance manual describes how to perform hardware service maintenance for the Toshiba Personal Computer Satellite, referred to as the Satellite Series in this manual. The procedures described in this manual...

Page 4 - Conventions; Acronyms; boldface; Key operation

iv [CONFIDENTIAL] Satellite L670/L675/ Pro L670/L675 Series Maintenance Manual The manual is divided into the following parts: Chapter 1 Hardware Overview describes the Satellite Series system unit and each FRU. Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve FRU problems. ...

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