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2.1 Troubleshooting 2 Troubleshooting Procedures
TECRA M5 Maintenance Manual (960-542) [CONFIDENTIAL] 2-1
2
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 6. Display 11. Wireless LAN
2. System Board 7. Optical Drive 12. Sound components
3. USB Floppy Disk Drive 8. Modem 13. SD Card Slot
4. Hard Disk Drive 9. LAN 14. PCI ExpressCard Slot
5. Keyboard/Touch pad 10. Bluetooth 15. Fingerprint sensor
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)