Microphone Part - Samsung GT-S5200 Service Manual

Flow Chart of Troubleshooting

9-5. Microphone Part

Microphone does not work
Check the MIC connection
Check the circuit
from UCP200 to MIC
Check F400 PIN 4(JACK_IN)
is ' High' ?
MIC is working?
Yes
Yes
Yes
Yes
Yes
END
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No
Resolder MIC
No
Resolder the C410, C413, C415
No
Check the JACK_IN signal
No
Replace the MIC
9-10