![background image](http://html.mh-extra.com/html/samsung/sgh-x620/sgh-x620_service-manual_1191289037.webp)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
7-
11
Microphone
MIC MODULE
Close to microphone
C433
MIC_BIAS
R417
Z
D
4
0
0
C432
C424
MIC400
U504
C425
C426
R419
C427
C409
C428
R420
U505
R418
C429
U508
Z
D
4
0
5
R416
MIC_N
MIC_P