User ManualTable of ContentsToshiba Satellite M70 Maintenance Manual1Table of Contents7Chapter 1 Hardware Overview111.1 Features151.2 System Unit201.3 2.5-inch Hard Disk Drive221.4 Optical device Drives231.5 Power Supply251.6 Batteries27Chapter 2 Troubleshooting Procedures302.1 Troubleshooting Introduction342.2 Troubleshooting Flowchart352.3 Power Supply Troubleshooting402.4 Display Troubleshooting452.5 Keyboard Troubleshooting482.6 External USB Devices Troubleshooting502.7 TV-Out Failure Troubleshooting522.8 TouchPad Troubleshooting542.9 Speaker Troubleshooting562.10 Optical Drive Troubleshooting582.11 Modem Troubleshooting612.12 PCMCIA Troubleshooting632.13 IEEE 1394 Troubleshooting652.14 Wireless LAN Troubleshooting672.15 Express Card Troubleshooting692.16 Bluetooth Troubleshooting71Chapter 3 Tests and Diagnostics733.1 The Diagnostic Test753.2 Executing the Diagnostic Test773.3 Config Check Test813.4 DMI Check Test823.5 Speaker Audio Test833.6 Fan ON/OFF Test853.7 Main Battery Charge Test863.8 FDD Test873.9 ODD Test883.10 Keyboard Test893.11 Mouse (Pad) Test913.12 LCD Pixels Mode Test933.13 Magnetic Lid Switch Test943.14 HDD R/W Test953.15 LAN Test973.16 RTC Test993.17 Speaker EQ Type Check&Re-Write1003.18 Read 1394 GUID1023.19 CD Control Button Test103Chapter 4 Replacement Procedures1044.1 General1104.2 Battery1164.3 PC Card1184.4 HDD1204.5 Modem1234.6 Expansion Memory1244.7 Wireless LAN Unit1264.8 Optical Drive Module1284.9 Optical Drive1304.10 Keyboard1324.11 Display Assembly1354.12 Bluetooth1394.13 Top Cover1414.14 TouchPad1444.15 System Board1464.16 Speakers1504.17 VGA Board1514.18 Thermal Module1534.19 Fan, CPU & Heat Sink1544.20 Display Mask1574.21 LCD Module1594.22 FL Inverter Board161Appendices162Appendix A Handling the LCD Module167Appendix B Board Layout173Appendix C Pin Assignments177Appendix D Keyboard Scan/Character Codes191Appendix E Key Layout199Appendix F Series Screw Torque List220Appendix G Reliability222Size: 11.4 MBPages: 223Language: EnglishOpen manual