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2.1 Troubleshooting 2 Troubleshooting
PORTEGE R200 Maintenance Manual (960-519) [CONFIDENTIAL] 2-1
2
2.1 Troubleshooting
Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. (The “FRU” means the replaceable unit in the field.)
The FRUs covered are:
1. Power supply 6. Display 11. Bluetooth
2. System Board 7. Touch pad 12. Wireless LAN
3. USB FDD 8. Modem 13. SD Card Slot
4. 1.8” HDD 9. LAN 14. Finger Print sensor
5. Keyboard 10. Sound
The Detailed replacement procedures are given in Chapter 4. Test Program operations are
described in Chapter 3.
The following tools are necessary for implementing the Diagnostics procedures:
1. Diagnostics Disk (Test program for maintenance)
2. Phillips screwdrivers
NOTE: Be sure to use the PH point size “0” screwdriver complying with the ISO/DIS
8764-1:1996.
3. Toshiba MS-DOS system FD
4. Work disk (for FDD testing)
5. Cleaning disk kit (for FDD head cleaning)
6. A set of tools for debug port test (test cable, test board, RS-232C cross cable, display,
D port FD)
7. PC with a serial port (for displaying debug port test result)
8. Wraparound connector for PC card
9. Tester
10. External Monitor
11. External USB Keyboard
12. External USB mouse
13. Headphone
14. Microphone
15. LAN wraparound connector