Circuit Board Layout(ユニットレイアウト; Block Diagram(ブロックダイアグラム - Yamaha MS101III Service Manual

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CIRCUIT BOARD LAYOUT(ユニットレイアウト)
Top view
MA2/3
MA3/3
MA1/3
TE
L 13942296513
BLOCK DIAGRAM(ブロックダイアグラム)
MA1/3
JK101
MIC
INPUT
MA2/3
JK102
LINE 1
INPUT
JK103
LINE 2
www
JK104
LINE OUT
.
(S): Soldered
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OP AMP
MIX
+9V
IC101(9P)
9
3 –
2
4
+
5
7
+9V
IC101
5
9
(9P)
8
Q102
Mute
(3P)
(2P)
CN103 (S)
CN104 (S)
CN101 (S)
CN102 (S)
(3P)
(2P)
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2 9
8
Right side view
MA1/3
Q Q
3
6 7
1 3
HIGH
LOW
+9V
+9V
9
9
VOLUME
2
7
8
VR103
5
5
IC102
IC102
(9P)
(9P)
VR101
VR102
STANDBY/ON
D105
SW101
LD101
CN106 (S)
(2P)
MA3/3
Power transformer
3
CN107
(2P)
4
.
Secondary
9 4
2 8
Power transformer
MA3/3
(パワートランス)
1 5
0 5
8
2 9
9 4
POWER
AMP
(BTL)
2
RED
Q103
13
BLACK
5
4
Mute
3
(2P)
IC103
(14P)
MUTE
Mute
Q101
REGULATOR
+9V
+9V
3 IC104
1
(3P)
2
CN1
(1P)
2
L
m
co
F
N
CN2
(1P)
1
Primary
T101
MS1013 3 3 3 3
9 9
Speaker
(スピーカー)
MA2/3
2 8
9 9
+
Speaker
4 Ω
AC cord
5

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