2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
YST-SW015
6
10
MAIN (4) P. C. B.
(Lead Type Device)
MAIN (5) P. C. B.
(Lead Type Device)
MAIN (8) P. C. B.
(Lead Type Device)
MAIN (9) P. C. B.
(Lead Type Device)
MAIN (6) P. C. B.
U, C, A, B, G, J models
(Lead Type Device)
MAIN (7) P. C. B.
(Lead Type Device)
MAIN (10) P. C. B.
(Lead Type Device)
MAIN
(1)
MAIN
(2)
VOLUME
HIGH CUT
B.A.S.S.
STANDBY/ON
POWER ON/OFF
VOLTAGE
SELECTOR
MAIN (1)
VCC
PWS
-15
+15
E
TO
V
L
+V2
BASS
MAIN
LEDR
E
LEDG
LEDR
E
LEDG
9
1
MAIN
(2)
Power
Transformer
W11B
W5B
W8B
W9B
MAIN
(2)
W8B
W9B
W15B
W13B
W16B
W14B
W13A
W14A
W15A
W16A
W12B
MAIN (6) P. C. B.
R, T, K models
(Lead Type Device)
MAIN
(1)
Power
Transformer
W5B
110-120V
220-240V
ON
STANDBY
MUSIC
MOVIE
■
PRINTED CIRCUIT BOARD (Foil side)
• Semiconductor Location
Circuit No.
J
U, C
R, T, K
A
B, G
C40
O
O
X
O
O
C53
X
X
X
X
O
C62, 63
X
X
O
X
X
CB7, 8
X
X
O
X
X
D14
X
X
O
X
X
F2
X
X
O
X
X
Q4, 13
X
X
O
X
X
R62
O
O
X
O
O
R73
X
X
O
X
X
SW6
X
X
O
X
X
W13~16
X
X
O
X
X
X: NOT USED
O: USED / APPLICABLE
Ref. No.
Location
D12
H2
D13
D2
IC7
C2
Q3
D2
• Semiconductor Location
