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A
B
YST-SW800
SCHEMATIC DIAGRAM
1
2
3
4
5
CIRCUIT CHANGES BY MARKET.
6
7
X : NOT USED
O : USED
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
8
1SS133
S1NB20
RBV-606
TM1661S-L
1SR139-400
Anode
G
–
T2
T1
–
Cathode
T1
+
T2 G
+
15
C
D
E
-0.5
-0.5
-1.5
-0.5
-0.6
2SC2240 (GR, BL)
2SC4163
2SC4140
NJM78L08A
2SD400 (F)
1:OUTPUT
2:COMMON
E
1
B
C
B
3:INPUT
2 3
C E
C
B
E
F
G
AC 12.8V
5.9
0
12.1
6.0
-0.5
9.4
10.2
9.4
-0.5
10.2
-18.1
10.2
9.3
-0.5
0.4
-1.5
-1.3
-1.5
-1.4
-1.4
-1.3
-1.4
-1.3
H
I
11.9
7.8
P14
0
D-6
11.9
1.2
1.2
0.7
0
C
0.4
9.3
0.4
P14
9.3
H-6
8.8
8.8
P14
I-6
-1.3
8.8
-1.3
0.1
D
Point C
(Pin 1 of CB201)
H : 10 µsec/div
V : 50V/div
DC range
1 : 1 probe
0V
J
K
L
Point D
(Pin 1 of CB202)
H : 10 µsec/div
V : 10V/div
DC range
1 : 1 probe
0V
* All voltage are measured with a 10MΩ/V DC electric volt meter.
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
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