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JHT01 Service Manual
12. Modem Troubleshooting
6-28
START
Perform telephone line
connection check
(Procedure 1)
Computer unable to
detect telephone
signal?
No
Perform connection check
(Procedure 2)
Perform replacement check
(Procedure 3)
Replace system board
END
Figure 6-11 Modem troubleshooting process
Check / replace
telephone line and
Yes
connections
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