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Main MIC Working
Operate MIC
NG
Pollute
MIC Hole?
NO
MIC
Soldering NOT
Properly?
YES
Check
C511 = High?
YES
Change MIC
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YES
Clean up
MIC hole
NO
MIC
Resoldering
NO
VMIC_BIAS
= 2.15V ?
Change MIC
8-13
Check
Change main PBA
Level 3 Repair
NO
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