A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
YST-SW1500
19
■
PRINTED CIRCUIT BOARD (Foil side)
Ref. No. Location
D59
C5
D60
G4
D61
E4
D62
C5
D63
B5
D64
H3
Ref. No. Location
D65
D2
D66
D4
D68
D4
IC3
D4
IC5
C5
IC7
B5
• Semiconductor Location
Ref. No. Location
IC8
C4
IC9
C4
IC17
B5
Q50
C5
Q51
G3
Q52
F3
Ref. No. Location
Q53
B4
Q54
B4
Q55
B4
Q56
B5
C139
G4
C137
G3
C138
POWER (1) P. C. B.
(Lead Type Device)
MAIN (1)
PW
+B
+5
E
MAIN (1)
MAIN (1)
POWER (4)
INLET
1
8
7
1
8
14
16
9
Circuit No.
J
U, C
K
A
B
G
C1, 139, 140
X
X
O
O
O
O
C118, 119
X
O
X
X
X
X
CB11
X
X
O
O
O
O
CB14
O
O
X
X
X
X
G4, 5
X
X
O
O
O
O
J3
O
O
X
X
X
X
J16
X
O
X
X
X
X
J152
X
X
O
O
O
O
JK3
O
O
O
X
X
O
G4
X
X
O
O
O
O
L6
O
X
O
O
O
O
R312, 313
O
O
X
X
X
X
TE1, 2
X
X
X
O
O
X
X: NOT USED
O: USED / APPLICABLE