Samsung SGH-L770 Service Manual page 47

VMICP
C541 C542 C500
R502
C503
MAIN_MIC_P
C547
C505 C539
C510
MAIN_MIC_N
C512
R508
VMICN
near MIC
R535
VMICP
C544 C545
R501
C502
EAR_MIC_P
C508
EAR_MIC_N
C514
C515
C517
R507
ground ground ground
R309
R307
R308
C550
C558
C553
C549
R531
C552
C514
R530
C515
C517
R507
VR606
C545
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R503
C546 MIC+
MIC-
R506
IF_EARMIC_P
C507
IF_EARMIC_N
C518
ground
C702
R707
C551
C557
C309
C310
C307
10-7
Flow Chart of Troubleshooting