5
7
8
C
D
F
A
B
E
D-a
D-b
D-b
2
3
4
5
470P
C722
1
C906
R22
C910
2R2
PE5423A
LRCKOK
LRCK
BCK
DOUT
EMPH
A
CN701
MICRO COMPUTER
3.3V REGULA
T
O
R
ull-down
A
CN702
6
^
*
&
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