Samsung SGH-D830 Service Manual page 48

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

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