Troubleshooting - Toshiba Libretto 100CT User Manual

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Troubleshooting

Chapter 2 describes how to determine if a Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. The FRUs covered are:
1. System Board
2. FL Inverter Board
3. Floppy Disk Drive
The Diagnostics Disk operations are described in Chapter 3. Detailed replacement procedures
are given in Chapter 4.
The following tools are necessary for implementing the troubleshooting procedures:
1. Diagnostics Disk
2. Phillips screwdriver (2 mm)
3. Toshiba MS-DOS system disk(s)
(You must install the following onto the disk: SYS.COM, FORMAT.COM,
FDISK.COM and FDISK.EXE)
4. 2DD or 2HD formatted work disk for floppy disk drive testing
5. Cleaning kit for floppy disk drive troubleshooting
6. Printer port LED
7. Printer port wraparound connector
8. Serial port wraparound connector
9. PC card wraparound card
10. Multimeter
11. I/O Adapter
12. External FDD
4. Hard Disk Drive
5. Keyboard
6. Display
File No. 960-140
7. Pointing Board
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