Samsung SGH-S720i Service Manual page 30

Flow Chart of Troubleshooting and Circuit Diagrams
L401
MIC_IN_P
R413
C420
MIC_OUT_P
C422
MIC400
R414
C421
C423
R415
L402
MIC_IN_N
MIC_OUT_N
R418
R417
R416
VCCA_2.9V
C424
TA402
R419
3-13
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