2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
YST-SW315
6
12
VOLUME
10
0
150Hz
50Hz
MOVIE
MUSIC
POWER
VOLTAGE
SELECTOR
HIGH CUT
B.A.S.S.
STANDBY/ON
MAIN (11) P.C.B.
MAIN (2) P.C.B.
MAIN (5) P.C.B.
MAIN (4) P.C.B.
MAIN (8) P.C.B.
MAIN (6) P.C.B.
MAIN (7) P.C.B.
MAIN (9) P.C.B.
MAIN (6) P.C.B.
STANDBY/ON
MAIN (10) P.C.B.
MAIN (10) P.C.B.
MAIN (1) P.C.B.
MAIN (10) P.C.B.
J, U, C, A, B, G models
AC
VCC
+V1
E
OR
OR
GY
GY
BE
BE
BE
BE
BE
GR
GR
BR
BR
YE
YE
BL
BL
RE
RE
BE
BE
RE
RE
BL
BL
WH
WH
WH
R, T, K models
MAIN (1) P.C.B.
MAIN (10) P.C.B.
BE
BE
RE
RE
BL
BL
TO
V
L
E
MAIN
BASS
+V2
+12
-12
PWS
VCC
LEDG
E1
LEDR
LEDG
E1
LEDR
■
PRINTED CIRCUIT BOARD (Foil side)
• Semiconductor Location
Ref. No. Location
D11
B2
D201
I2
D202
H2
D203
B2
D204
B2
IC7
G2
IC202
B3
Q206
H2
Q207
B2
Q208
A2
Q209
B2