Troubleshooting - Toshiba PORTÉGÉ M700 Maintenance Manual

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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
4. Hard Disk Drive
7. Display
10. Bluetooth
13. Web camera
16. Sound
19. 3G
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. 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)
PORTEGE M700/M750 Maintenance Manual (960-661) [CONFIDENTIAL]
2. System Board
5. Keyboard/Dual point 6. Touch pad
8. Optical Drive
11. Wireless LAN
14. Tablet Pen
17. Bridge media
20. SmartCard Slot
2 Troubleshooting Procedures
3. USB Floppy Disk Drive
9. LAN
12. Modem
15. Touch screen
18. Fingerprint sensor
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