Table Of Contents - Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual

Table of Contents

Chapter 1 Hardware Overview
1.1 Features.......................................................................................................................1-1
1.2 System Unit Block Diagram..........................................................................................1-7
1.3 2.5-inch Hard Disk Drive ...........................................................................................1-14
1.4 CD-RW/DVD Drive..................................................................................................1-16
1.5 DVD-R/-RW Drive ...................................................................................................1-19
1.6 DVD Multi Drive .......................................................................................................1-20
1.7 Keyboard ..................................................................................................................1-23
1.8 TFT Color Display.....................................................................................................1-24
1.9 Power Supply ............................................................................................................1-26
1.10 Batteries ....................................................................................................................1-28
Chapter 2 Troubleshooting Procedures
2.1 Troubleshooting ........................................................................................................... 2-1
2.2 Troubleshooting Flowchart........................................................................................... 2-3
2.3 Power Supply Troubleshooting..................................................................................... 2-7
2.4 System Board Troubleshooting................................................................................... 2-19
2.5 FDD Troubleshooting................................................................................................. 2-33
2.6 HDD Troubleshooting................................................................................................ 2-36
2.7 Keyboard Troubleshooting......................................................................................... 2-41
2.8 Display Troubleshooting............................................................................................. 2-44
2.9 CD-RW/DVD, DVD-ROM, DVD-R/-RW
and DVD Multi Drive Troubleshooting........................................................................ 2-46
2.10 Modem Troubleshooting ............................................................................................ 2-48
2.11 LAN Troubleshooting ................................................................................................ 2-50
2.12 Wireless LAN Troubleshooting .................................................................................. 2-52
2.13 Sound Troubleshooting............................................................................................... 2-56
Satellite A20 Maintenance Manual (960-444) vii