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Flow Chart of Troubleshooting
9-9
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MIC400
R443
1
04
R
V
20
4
R
V
VCCA_2.9V
C455
C454
R444
C453
R435
C456
C449
C452
C448
R441
C445
S2B
1
VDD
3
D1
9
D2
6
GND
IN1 4
IN2
8
S1A
2
5
S1B
S2A
10
7
U407
TP400
R440
R439
R438
VCCD_2.9V
C446
MAIN_MIC-
M
MIC+
MIC-
MIC-
MIC+
MIC_SEL
AK_MIC-
MAIN_MIC-
M
MICOUTP
MICINP
MICINN
MICOUTN