Toshiba T2100 Series Maintenance Manual page 23

2.1 Troubleshooting
Chapter 2 describes how to determine if a Field Replaceable Unit (FRU) in the T2100/T2105
Series is causing the computer to malfunction. The FRUs covered include the:
1. System Board
2. Floppy Disk Drive
3. Hard Disk Drive
4. Keyboard
5. Display
Diagnostics Disk operations are described in Chapter 3 and detailed replacement procedures
are given in Chapter 4.
The following tools are necessary for implementing the troubleshooting procedures:
1. A T2100/T2105 Series Diagnostics Disk
2. A Phillips screwdriver (2 mm)
3. A Toshiba MS-DOS system disk(s)
4. A 2DD or 2HD formatted work disk for floppy disk drive testing
5. A cleaning kit for floppy disk drive troubleshooting
6. A printer port LED
7. An RS-232-C wraparound connector
8. A printer wraparound connector
9. A multimeter
10. An external CRT
T2100 Series
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