Samsung SGH-ZV30 Service Manual page 33

Microphone
MICP_CON
MICN_CON
EARMIC_P
EARMIC_N
C683
C618
C623 C612 C686
C693
C684 C685
C687
C610 C624
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MICBIAS
R608
C694
R633
R634
R611
C682
MICBIAS
C616 C617
R631
R632
C688
7-11
Flow Chart of Troubleshooting
C614
MIC1P
C621
MIC1N
R607
C615
MIC2P
C622
MIC2N
R612