Mic Working; Operate Mic - Samsung GT-S5830 Service Manual

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MIC Working

Operate MIC

NG
Pollute
MIC Hole?
NO
Signal on in
L507,L509
L515,L516 ?
\
YES
MIC
break down
NO
Signal on in
C508, C512 ?
YES
Check Voltage
of R513, R511
R513 & R511's
Voltage
YES
Change main PBA
YES
NO
YES
NO
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Clean up
MIC hole
Resoldering
L507,L509
L515,L516
Resolder or Replace
MIC
Change UCP300
NO
8-15
Level 3 Repair