Yamaha VS-10 Service Manual page 41

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A
B
1
SW-VS10 SCHEMATIC DIAGRAM
11.8
0
0
0
-11.7
2
0
0
0
3
0
0
0
11.7
0
4
0
0
-11.6
5
6
11.8
0
29.1
0
0
2.3
-29.1
7
-11.7
C
D
-23.8
-24.8
-0.1
0
-22.4
0
0
0
-0.1
0.7
0
-23.7
-25.8
25.3
0
0
0.7
0
0
-0.1
25.4
0
0
0
0
-0.1
27.6
28.8
-0.1
0
-26.4
0
0
-0.1
0.7
-27.7
-29.8
0
11.7
0
0
0
0
0
-11.6
0
0
0
0
0.7
0
0
0
0
0
-11.6
11.8
2.5
0
11.8
0
0
25.0
25.0
0
11.7
0
0
-25.2
0
-25.2
E
F
25.0
24.6
0
4.6
0
4.6
0
0
0
25.1
0
0
0.2
24.8
-0.3
0
-0.3
0
0
11.7
0
0
0
0
0
0
1.5
0
0
0
0
-0.1
11.8
-11.7
0
0
0
0
0
4.6
0
0
11.8
-11.7
0.1
4.6
0
0
0
0
0.3
0
0
0
0.3
MARK VOLTAGE
9.9
9.9
MODEL
T101
F101
10.9
0
0
10.9
10.9
0
AC CORD
G
H
24.8
24.9
0.2
0.2
0.2
0
0.7
0
0
All voltage are measured with a 10MΩ/V DC electric
volt meter.
Components having special characteristics are marked
s and must be replaced with parts having
AC CORD
specifications equal to those originally installed.
Schematic diagram is subject to change without notice.
● 電圧は、内部抵抗10MΩの電圧計で測定したものです。
● s印のある部品は、安全性確保部品を示しています。
部品の交換が必要な場合は、パーツリストに記載され
ている部品を使用してください。
● 本回路図は標準回路図です。改良のため予告なく変更
することがございます。
I
J
VS-10/NX-SW10
PIN CONNECTION DIAGRAM OF
TRANSISTORS, DIODES AND ICS.
2SC1740S
DTC114ESA
E
C B
2SA970
2SC2240
2SC2878
2SC1815
2SA1015
E
C B
2SK304
AN78N12
S
G D
E C
B
1SS133
RBV-602
Anode
MTZJ5.6B
Cathode
+
NJM78M12FA
uPC4570HA
9
1
STK402-030
STK402-070
15
1
IC101 ~ 105 : µPC4570HA
Dual OP-Amp
1
2
-
+
+
-
1
2
3
4
5
6
7
8
9
Vcc Vo
-Vm
+Vm
V
+Vm
-Vm
Vo
Vcc
1
1
1
EE
2
2
2
IC109 : STK402-030
2ch AF Power Amp
+
+
1 2 3 4
5
6
7
8
9 10 11
12
13
14
15
IC110 : STK402-070
2ch AF Power Amp
+
+
1 2 3 4
5
6
7
8
9 10 11
12
13
14
15
E-46/J-44

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