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Flow Chart of Troubleshooting
9-11
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9-1-6. Speaker Part
NO
Check the U502
Is there any output signal
at U502?
YES
END
There is no sound from speaker
Replace the Speaker
Check the UCP300
NO
The terminal of Speaker
is OK ?
Is there any input signal
at U501?
NO
Is there any output signal
at U501?
Check the U501
NO
YES
YES
YES