vi [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
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 .......................................................................................................1-13
1.6 DVD-ROM Drive.................................................................................................... 1-15
1.7 DVD-ROM & CD-R/RW Drive.............................................................................. 1-18
1.8 DVD Super Multi Drive...........................................................................................1-21
1.9 Keyboard.................................................................................................................. 1-24
1.10 TFT Color Display................................................................................................... 1-25
1.11 Power Supply........................................................................................................... 1-28
1.12 Batteries................................................................................................................... 1-30
1.13 AC Adapter.............................................................................................................. 1-33
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................................................................................2-15
2.5 3.5” FDD Troubleshooting...................................................................................... 2-29
2.6 2.5” HDD Troubleshooting......................................................................................2-32
2.7 Keyboard Troubleshooting...................................................................................... 2-37
2.8 Display Troubleshooting..........................................................................................2-38
2.9 Touch Pad Troubleshooting..................................................................................... 2-41
2.10 Optical Drive Troubleshooting................................................................................ 2-42
2.11 Modem Troubleshooting..........................................................................................2-43
2.12 LAN Troubleshooting.............................................................................................. 2-44