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Flow Chart of Troubleshooting
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9-13
9-5. Microphone Part
Check the assembled status
of microphone.
Check the circuit
from UCP200 to MIC
Reassemblage microphone
Resolder the
C404,C409,C417,C422
L400,L401,L402,L403
END
No
Yes
Yes
Yes
No
Microphone does not work
Check IFC500 PIN 9
= ' H' ?
Check the JACK_IN signal
No
Check the MIC
Yes
Yes
Replace the MIC
No
①