YST-SW012
9
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
VOLUME
10
0
INPUT
MAIN (3) P.C.B.
(Side A)
Circuit No.
U, C, T, R, A, L
K, B, G
C78
X
O
J42
X
O
L1
X
O
DRIVER
AC IN
MAIN (1) P.C.B.
POWER
MAIN (5) P.C.B.
BE
BE
BE
WH
YE
YE
RE
RE
BR
BR
U, C, A, B, G models
R, T, K, L models
MAIN (7) P.C.B.
MAIN (10) P.C.B.
(Side A)
MAIN (9) P.C.B.
(Side A)
MAIN (2) P.C.B.
WH
BE
BE
WH
BE
WH
BE
WH
U, C, A, B, G models
R, T, K, L models
R, T, K, L models
V
O
LTA
G
E
SELECT
OR
220V
-240V
110V
-120V
RE
RE
RE
RE
BL
RE
RE
BL
BL
WH
SP-
SP+
RE
Ref. no. Location
D1
J2
D2
H4
D3
I4
D4
H2
D5
H2
D6
G2
D7
F2
D8
C3
D22
G2
D23
G2
• Semiconductor Location
Ref. no. Location
D24
J3
D25
F3
D28
I3
D29
I3
IC1
H2
IC4
B3
IC5
B2
IC6
G3
Q1
F3
Q2
F3
Ref. no. Location
Q5
G3
Q6
G3
Q9
H4
Q10
I4
Q17
F3
Q18
F3
Q19
F3
Q20
F3
1
9
1
9
1
1
9
10
-V
-15
+15
E
MAIN
-V
-15
+15
E
MAIN
POWER
INDICATOR
(Side A)
(Side A)
(Side A)
(Side A)
ON OFF
■
PRINTED CIRCUIT BOARD
Lead Free Solder Used
