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A
B
Q Q
3 7 6 3 1 5 1 5 0
MS300 OVERALL CIRCUIT DIAGRAM 2/2 ( MIX 1/3 , 2/3, 3/3 )
1
MIX
2/3
MIC IN
2
LINE IN [PHONE]
3
T E
L
1 3 9 4 2 2 9 6 5 1 3
LINE OUT
LINE IN
4
MIX
5
w w w
MS300
6
A
B
C
OP AMP
OP AMP
OP AMP
OP AMP
3/3
POWER ON/OFF
TRANSFORMER
x
a o
y
.
i
C
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D
E
MIX
1/3
MIC LEVEL
LINE LEVEL
OP AMP
LOW
OP AMP
Q
Q
3
7
6
OP AMP
OP AMP
Common
to AMP
-CN202
X0169A00
X0170A00
u 1 6 3
X0171A00
X0172A00
.
D
E
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F
G
2
4
8
9
9
MASTER LEVEL
OP AMP
OP AMP
OP AMP
OP AMP
3
1
5
1
5
0
8
9
2
OP AMP
HIGH
OP AMP
OP AMP
38CC1-8821566
m
c o
F
G
H
2
8
9
9
MS300
4
9
8
2
9
9
OP AMP
to AMP
-CN201
2
MS300
H
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