SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-12
This Document can not be used without Samsung's authorization
9-1-6. Microphone Part
Microphone dose not work
YES
NO
Check C500 = 1.8V
Check UCP300
YES
YES
Is the voice signal
at C505, C510?
NO
check the connection
from Mic?
Replace the MIC
NO
END
YES
NORMAL PATH
1
05
D
C504
R514
TA500
MIC_BIAS
L501
C510
C500
L500
R500
R505
MIC500
C505
C508
C511
00
5
D
C507
R509
MIC1P
MIC1N
2
0
3
C
C304
5
0
3
C
C306
4
1
3
C
1
2
3
C
3
2
3
C
C326
C329
0
3
3
C
3
3
3
C
4
3
3
C
5
3
3
C
6
3
3
C
7
3
3
C
8
3
3
C
9
3
3
C
C340
C342
3
4
3
C
C346
C353
4
5
3
C
5
5
3
C
6
5
3
C
7
5
3
C
8
5
3
C
C359
C500
5
0
5
C
7
0
5
C
0
1
5
C
0
2
5
C
4
2
5
C
7
2
5
C
3
3
5
C
4
3
5
C
6
3
5
C
7
3
5
C
C747
C748
D605
1
0
7
D
4
0
7
L
0
0
3
R
R301
2
0
3
R
R303
5
0
3
R
7
0
3
R
R311
2
1
3
R
R313
R314
R318
R320
R321
R323
R324
6
2
3
R
R337
R404
0
0
5
R
5
0
5
R
9
0
5
R
R514
9
1
5
R
R520
1
2
5
R
R522
R523
4
2
5
R
5
2
5
R
1
1
6
R
2
1
6
R
R814
TA500
1
0
5
A
T
3
0
5
A
T
4
0
5
A
T
1
0
3
U
UC
P3
00
WDOG