TECRA M1 Maintenance Manual (960-436) vii
Table of Contents Chapter 1 Hardware Overview
1.1 Features...................................................................................................................... 1-1
1.2 System Unit Block Diagram...................................................................................... 1-9
1.3 3.5-inch Floppy Disk Drive (USB External)........................................................... 1-16
1.4 2.5-inch Hard Disk Drive.........................................................................................1-17
1.5 CD-ROM Drive .......................................................................................................1-19
1.6 DVD-ROM Drive ....................................................................................................1-20
1.7 CD-RW/DVD-ROM Drive...................................................................................... 1-22
1.8 DVD Multi Drive.....................................................................................................1-24
1.9 Keyboard..................................................................................................................1-26
1.10 TFT Color Display...................................................................................................1-27
1.11 Power Supply........................................................................................................... 1-29
1.12 Batteries................................................................................................................... 1-32
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................................................................................2-16
2.5 FDD Troubleshooting.............................................................................................. 2-30
2.6 HDD Troubleshooting .............................................................................................2-33
2.7 Keyboard and Touch pad Troubleshooting..............................................................2-38
2.8 Display Troubleshooting..........................................................................................2-41
2.9 CD-ROM Drive Troubleshooting............................................................................ 2-43
2.10 DVD-ROM, CD-RW/DVD-ROM, and DVD Multi Drive Troubleshooting..........2-45
2.11 Modem Troubleshooting..........................................................................................2-47
2.12 LAN Troubleshooting.............................................................................................. 2-49
2.13 Bluetooth Troubleshooting...................................................................................... 2-50