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Flow Chart of Troubleshooting
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9-9
9-5. Microphone Part
Check the MIC connection
Check the circuit
from UCP200 to MIC
Resolder MIC
Resolder the C402, C405, R400, R402
END
No
Yes
Yes
Yes
Yes
No
Check F500 PIN 8(JACK_IN)
is ' High' ?
No
Check the JACK_IN signal
Microphone does not work
Yes
MIC is working?
No
Replace the MIC