Chapter 1 Hardware Overview
1.1 Features...................................................................................................................... 1-1
1.2 System Unit Block Diagram...................................................................................... 1-6
1.3 USB 3.5-inch Floppy Disk Drive ............................................................................1-12
1.4 2.5-inch Hard Disk Drive.........................................................................................1-13
1.5 DVD-ROM Drive.................................................................................................... 1-18
1.6 CD-RW/DVD-ROM Drive ..................................................................................... 1-20
1.7 DVD-R/-RW Drive.................................................................................................. 1-23
1.8 DVD±RW (DVD Dual) Drive ................................................................................ 1-25
1.9 DVD-Multi (CD-R/RW DVD-RAM/R/RW) Drive................................................ 1-27
1.10 Keyboard.................................................................................................................. 1-29
1.11 TFT Color Display...................................................................................................1-30
1.12 Power Supply........................................................................................................... 1-32
1.13 Batteries................................................................................................................... 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 ...............................................................................2-18
2.5 FDD Troubleshooting.............................................................................................. 2-34
2.6 HDD Troubleshooting .............................................................................................2-37
2.7 Keyboard Troubleshooting...................................................................................... 2-42
2.8 Display Troubleshooting..........................................................................................2-44
2.9 Optical Drive Troubleshooting................................................................................ 2-47
2.10 Modem Troubleshooting..........................................................................................2-49
2.11 LAN Troubleshooting.............................................................................................. 2-51
2.12 Wireless LAN Troubleshooting...............................................................................2-52
2.13 Sound Troubleshooting............................................................................................ 2-56
2.14 SD Card Slot Troubleshooting.................................................................................2-59
vi Satellite A40 Maintenance Manual (960-458)