Samsung SGH-X640 Service Manual page 33

Microphone
V600
MIC600
V601
Close to microphone
C600
MIC-JTAG
C606
C608
C612
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MIC_BIAS
R611
C626
C602 R601
C604
0
R612
C607
C610
0
R613
C611
R605
7-9
Flow Chart of Troubleshooting
C627
C601
MIC_P
C609
R603
MIC_N
C613