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Flow Chart of Troubleshooting
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7-9
2.1V
NC
6
NO
2 V+
U510
COM 5
GND
3
IN
1
4
C568
MIC_BIAS
L500
5
GND
3
IN
1
4
NC
6
NO
2
V+
U511
COM
C570
TA502
R520
75
R506
C564
R500
C500
12
1 A0
A1
4
GND
3
6 GND
10
S0
S1 7
VCC 9
VCC
U514
0B0
2
5 0B1
0B1 11
8
1B1
C567
C505
R505
C503
C569
C562
L501
MIC_BIAS
+VDD_IO_HIGH
TA534
+IN 1
ENABLE
52
GND
4
OUU
SAG
3
6 V+
+VDD_TV
U503
C506
MIC_BIAS
C507
C571
C565
R522
NC
4
NO
6
V+
2
C563
U512
5
COM
3
GND
1
IN
R501
C504
C501
MIC_CN
MIC_CP
T_OUT
TXD1_TVOUT
VDD_TV_EN
TXD1
MICIN_P
MICIN_N
MIC_SEL1
MIC_P
MIC_N
MIC_CN2
MIC_SEL2
MIC_CP2