Toshiba Portege R500 Maintenance Manual - Page 47

Troubleshooting - disassembling

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2.1 Troubleshooting 2 Troubleshooting Procedures 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 2. System Board 3. USB Floppy Disk Drive 4. Hard Disk Drive 5. Keyboard/Dual point 6. Display 7. Optical Drive 8. Modem 9. LAN 10. Bluetooth 11. Wireless LAN 12. Sound components 13. SD Card Slot 14. 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. 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 R500 Maintenance Manual (960-634) [CONFIDENTIAL] 2-1

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2.1 Troubleshooting
2
Troubleshooting Procedures
PORTEGE R500 Maintenance Manual (960-634) [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. Fingerprint sensor
5. Keyboard/Dual point
10. Bluetooth
.
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)