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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-8
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10-1-4. Microphone Part
Is the assembled status of
microphone O.K?
Microphone does not work
Check Key Conn. or Replace the Key Assy
Check the path
around MIC bias circuit
END
No
Yes
Yes
Yes
Yes
No
Is microphone ok?
No
Check
MiC Path or UCP300
Check the reference voltage on mic path
2.15V @ R500 ?
Yes