User Guide

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 Drive......................................................................................... 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
Chapter 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
vi Satellite A50/TECRA A2 Maintenance Manual (960-478)