Samsung GT-S5830 - MIC Working; Operate MIC

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