Toshiba PORTEGE M300 Maintenance Manual page 13

Chapter 1
1.1 Features.......................................................................................................................1-1
1.2 System Unit Block Diagram.......................................................................................1-7
1.3 USB Floppy Disk Drive ...........................................................................................1-11
1.4 Hard Disk Drive .......................................................................................................1-12
1.5 Optical Drive ............................................................................................................1-16
1.5.1 DVD-ROM & CD-R/RW drive ..........................................................1-16
1.5.2 DVD Super Multi drive ......................................................................1-18
1.6 Keyboard ..................................................................................................................1-21
1.7 TFT Color Display ...................................................................................................1-22
1.7.1 LCD Module .......................................................................................1-22
1.7.2 FL Inverter Board ...............................................................................1-23
1.8 Power Supply............................................................................................................1-24
1.9 Batteries....................................................................................................................1-27
1.9.1 Main Battery .......................................................................................1-27
1.9.2 Battery Charging Control....................................................................1-28
1.9.3 RTC battery.........................................................................................1-29
1.10 AC Adapter...............................................................................................................1-30
PORTEGE M300 Maintenance Manual (960-504)
Contents
1 Hardware Overview
1-iii