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SCHEMATIC DIAGRAM-5
H
G
F
E
D
MCLK
SCLK
C
LRCK
D.GND
AU0
AU1
AU2
D.GND
DEC
DAC.GND
DRSPD
F
To
POWER SUPPLY
TW
CIRCUIT(CN905)
VOLUME
on SCHEMATIC
SD
B
DIAGRAM-11/2,3-A
AMPRESET
AC.GND
MUTE-HP
MUTE F
MUT C.S
MUT SW
12V.GND
+B(12V)
12V.GND
+B(12V)
HP SW
A
1
D
MAIN CIRCUIT
R650
100
R638
CN201
47
1
R639
47
2
R640
47
3
4
R641
47
5
R642
47
6
R643
47
7
8
R644
10
9
10
R646
100
11
12
R648
10
13
14
15
R651
16
100
17
R652
100
18
R653
100
19
R654
100
20
21
22
23
24
25
2
3
:POSITIVE VOLTAGE LINE
12.1V
3.3V
3.3V
3.3V
3.3V
1.6V
8
7
6
5
Vcc
IC110
C0JBAZ001127
DUAL BUS BUFFER
GND
1
2
3
4
3.3V
1.6V
1.6V
IC608
C0CBAYD00002
REGULATOR
INPUT
OUTPUT
VADJ
3
2
1
12.1V
3.3V
2.1V
R673
180
4.7V
3.3V
5
4
SENSE
V
DD
IC609
C0EBE0000200
RESET
GND
GND
RESET
1
2
3
3.3V
Q617
UN5111TX
MUTING CONT.
3.3V
0.7V
3.3V
R695
100
4
:FM/ AM SIGNAL LINE
A
B
C
D
E
3.3V
3.3V
1.6V
1.6V
8
7
6
5
Vcc
IC111
C0JBAZ001127
DUAL BUS BUFFER
GND
1
2
3
4
3.3V
1.6V
1.6V
B
C
E
F
H
I
K
L
U
Z
a
b
S
N
O
G
J
G
H
K
L
M
I
N
O
P
Q
R
T
5
6
F
V
W
X
Y
d
7
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