SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-9
9-5. Microphone Part
Microphone does not work
Yes
Resolder MIC
Check the connection
from MIC
No
Yes
Check the path from Main IC to MIC.
(MIC401 for Loud call mode,
HEA400 for Headset call mode.
MIC400
for every other cases.)
Check the circuit
from
UCP200
to MIC
No
Yes
Replace the MIC
Check the MIC
No
Yes
END