vi
Satellite A50/TECRA A2 Maintenance Manual (960-478)
Table of Contents
Chapter 1
Hardware Overview
1.1
Features
......................................................................................................................
1-1
1.2
System Block Diagram
..............................................................................................
1-6
1.3
3.5-inch USB Floppy Disk Drive
.............................................................................
1-10
1.4
2.5-inch Hard Disk Dr ive
.........................................................................................
1-11
1.5
CD-ROM Drive
........................................................................................................
1-16
1.6
DVD-ROM Drive
....................................................................................................
1-17
1.7
DVD-ROM & CD-R/RW Drive
..............................................................................
1-18
1.8
DVD-R/-RW Drive
..................................................................................................
1-20
1.9
DVD Super Multi Drive
...........................................................................................
1-21
1.10
Keyboard
..................................................................................................................
1-23
1.11
TFT Color Display
...................................................................................................
1-24
1.12
Power Supply
...........................................................................................................
1-28
1.13
Batteries
...................................................................................................................
1-30
1.14
AC Adapter
..............................................................................................................
1-34
Chacxpter 2
Troubleshooting Procedures
2.1
Troubleshooting
.........................................................................................................
2-1
2.2
Troubleshooting Flowchart
........................................................................................
2-2
2.3
Power Supply Troubleshooting
..................................................................................
2-6
2.4
System Board Troubleshooting
................................................................................
2-17
2.5
3.5” FDD Troubleshooting
......................................................................................
2-31
2.6
2.5” HDD Troubleshooting
......................................................................................
2-34
2.7
Keyboard Troubleshooting
......................................................................................
2-39
2.8
Display Troubleshooting
..........................................................................................
2-40
2.9
Touch Pad Troubleshooting
.....................................................................................
2-42
2.10
Optical Drive Troubleshooting
................................................................................
2-43
2.11
Modem Troubleshooting
..........................................................................................
2-44