Troubleshooting - Toshiba M645-S4080 Maintenance Manual

2Troubleshooting Procedures
2.25 3G Troubleshooting
Satellite/Satellite Pro M600/M640/M645/M647 Series/Dynabook TX/AX Series Maintenance Manual
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START
Perform diagnostic test
(Procedure 1)
Was a 3G problem detected?
Yes
Perform connector and replacement check
(Procedure 2)
Replace 3G antenna/unit
Replace system board
END
Figure 2.25-13G troubleshooting process
3G system is not
faulty. Continue
No
troubleshooting - refer
to Figure 2.1
58