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A
B
Q Q
3 7 6 3 1 5 1 5 0
MSP3 OVERALL CIRCUIT DIAGRAM （総回路図）
MAIN A
INPUT
LINE 2
1
INPUT
LINE 2
2
INPUT
LINE 1
T E
L
1 3 9 4 2 2 9 6 5 1 3
w w w
.
MSP3
A
B
C
OP AMP
OP AMP
POWER AMP
4.7µ/50
x
a o
y
i
C
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D
E
8
MAIN B
LINE2
OP AMP
LINE1
Q
Q
3
7
6
3
REGULATOR +15V
REGULATOR -15V
common
AC cord
J (100V)
AAX28970
AAX29290 (400mA, 250V)
U (120V)
AAX28980
AAX29290 (400mA, 250V)
A (240V)
AAX28990
AAX29300 (250mA, 250V)
B (230V)
AAX29000
AAX29300 (250mA, 250V)
H (230V)
AAX29010
AAX29300 (250mA, 250V)
V (120V)
AAX28980
AAX29320 (400mA, 250V)
W (230V)
AAX29010
AAX29300 (250mA, 250V)
Cera: Ceramic Capacitor（セラコン）
u 1 6 3
FS: Flame Proof C.Resistor （ 不燃化カーボン抵抗）
.
Note : See parts list for details of circuit board component parts
注： シートの部品詳細はパーツリストをご参照下さい。
D
E
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F
G
2
4
9
9
8
LOW
OP AMP
HIGH
1
5
1
5
0
8
9
2
4
TRANSFORMER
FUSE
Trans
LM1875T (AAX29340)
AAX29090
POWER AMP
MAIN A: IC3
AAX29100
AAX29110
AAX29120
AAX29120
AAX29100
AAX29120
m
c o
F
G
H
2
9
9
MSP3
1
2
3
9
8
2
9
9
MAIN D
Bu
Wh
Bu
Wh
4
MAIN C
5
1: +IN
1
2
2: –IN
3
4
3:–V
EE
5
4:OUTPUT
5:V
CC
MSP3
6
H
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