Toshiba Satellite U940 - Figure 2-19 LED Troubleshooting Process; LED Troubleshooting

Troubleshooting Procedures
Satellite U900/U940/U945 Series Maintenance Manual
47
2.20 LED Troubleshooting
START
Preform diagnostic test
(Procedure 1)
Was a LED Boar d problem
detect?
LED Boar d is not faulty.
Continue troubleshooting-refer
to Figure 2-1
Replace system board
Perform connector and
replacement check
(Procedure 2)
Replace LED Boar d
END
Figure 2-19 LED troubleshooting process