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Level 3 Repair
8-12
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MIC Working
Operate MIC
NG
Insert correctly
Insert
MIC rubber
correctly?
NO
YES
Pollute
MIC Hole?
YES
Clean up
MIC hole
NO
Check
C332 = High?
Change main PBA
NO
Signal on in L308,
L311, L312, L205?
NO
Change MIC
YES
YES
Change MIC