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Flow Chart of Troubleshooting and Circuit Diagrams
3-21
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C657
C658
62
6
R
VBAT
R607
R613
6
3
GND
1
NI
8
2
NI
4
1
C
N
10
7
NC2
NO1
2
5
2
O
N
VCC
9
U606
COM1
1
COM2
SPK_RCV_N
SPK_RCV_P
N
E_
W
S_
D
U
A
VOICE_OUT_P
VOICE_OUT_N