Microphone Part - Samsung SGH-ZV30 Service Manual

Flow Chart of Troubleshooting

7-5. Microphone Part

Microphone does not work
Yes
No
Check the connection
Resolder MIC
from MIC
Yes
No
Check the circuit
Resolder the R607, R608, R631, R632, R633,
from U302 to MIC
R634, C614, C615, C621 and C622
Yes
No
Check the MIC
Replace the MIC
Yes
END
7-10
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