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9-5. Microphone Part
Microphone does not work
Check the connection
from MIC
Check the circuit
from UCP200 to MIC
Check F500 PIN 8
Check the MIC
Yes
Yes
Yes
= ' H' ?
Yes
Yes
END
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No
Resolder MIC
No
Resolder the C414, C417, R403, R404
No
Check the JACK_IN signal
No
Replace the MIC
9-9
Flow Chart of Troubleshooting
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