Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual page 13

Chapter 1 Contents
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
1.8.1 LCD Module ....................................................................................... 1-24
1.8.2 FL Inverter Board ................................................................................ 1-25
1.9 Power Supply............................................................................................................ 1-26
1.10 Batteries.................................................................................................................... 1-28
1.10.1 Main Battery........................................................................................ 1-28
1.10.2 Battery LED (Main Battery) ................................................................. 1-28
1.10.3 Battery Charging Control...................................................................... 1-29
1.10.4 RTC battery......................................................................................... 1-30
Satellite A20 Maintenance Manual (960-444)
1 Hardware Overview
1-iii