Troubleshooting - Toshiba TECRA M5 Maintenance Manual

2.1 Troubleshooting

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2.1 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. Power Supply
2. System Board
3. USB Floppy Disk Drive 8. Modem
4. Hard Disk Drive
5. Keyboard/Touch pad
The Diagnostics Disk operations are described in Chapter 3. Detailed Replacement
Procedures are given in Chapter 4, Replacement Procedures.
The following tools are necessary for implementing the troubleshooting procedures:
The following tools are necessary for implementing the Diagnostics procedures:
For tools required for executing the Test Program, refer to the Chapter3. For tools required
for disassembling/assembling, refer to the Chapter 4.
1. A set of tools for debugging port test (test cable, test board, RS-232C cross cable,
display, D port FD)
2. A PC with a serial port (for displaying debug port test result)
3. Toshiba MS-DOS system FD
4. An external CRT display(for Display trouble shooting)
5. A SD card(for SD card slot trouble shooting)
6. An external microphone(for Sound trouble shooting)
7. Headphone(for Sound trouble shooting)
TECRA M5 Maintenance Manual (960-542)
6. Display
7. Optical Drive
9. LAN
10. Bluetooth
[CONFIDENTIAL]
2 Troubleshooting Procedures
11. Wireless LAN
12. Sound components
13. SD Card Slot
14. PCI ExpressCard Slot
15. Fingerprint sensor
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