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[CONFIDENTIAL]
TECRA M5 Maintenance Manual (960-542)
Table of Contents
Chapter 1
Hardware Overview
1.1
Features
......................................................................................................................
1-1
1.2
System Unit Block Diagram
......................................................................................
1-8
1.3
3.5-inch Floppy Disk Drive (USB External)
...........................................................
1-14
1.4
2.5-inch Hard Disk Drive
.........................................................................................
1-15
1.5
CD-ROM Drive
.......................................................................................................
1-18
1.6
DVD-ROM Drive
....................................................................................................
1-19
1.7
CD-R/RW&DVD-ROM Drive
................................................................................
1-20
1.8
DVD-Super Multi Drive
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1-22
1.9
Keyboard
..................................................................................................................
1-24
1.10
TFT Color Display
...................................................................................................
1-25
1.11
Power Supply
...........................................................................................................
1-28
1.12
Batteries
...................................................................................................................
1-30
Chapter 2
Troubleshooting Procedures
2.1
Troubleshooting
.........................................................................................................
2-1
2.2
Troubleshooting Flowchart
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2-2
2.3
Power Supply Troubleshooting
..................................................................................
2-6
2.4
System Board Troubleshooting
................................................................................
2-16
2.5
USB FDD Troubleshooting
.....................................................................................
2-33
2.6
HDD Troubleshooting
.............................................................................................
2-36
2.7
Keyboard and Touch pad Troubleshooting
..............................................................
2-41
2.8
Display Troubleshooting
..........................................................................................
2-44
2.9
Optical Drive Troubleshooting
................................................................................
2-46
2.10
Modem Troubleshooting
..........................................................................................
2-48
2.11
LAN Troubleshooting
..............................................................................................
2-50
2.12
Bluetooth Troubleshooting
......................................................................................
2-51
2.13
Wireless LAN Troubleshooting
...............................................................................
2-54
2.14
Sound Troubleshooting
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2-57