A
B
C
D
F
G
H
I
J
1
2
3
4
7
YST-SW215
9
PHASE
REV
NORM
HIGH
OFF
LOW
INPUT2
INPUT1/OUTPUT
L
R
AUT
O
ST
ANDBY
VOLUME
HIGH CUT
B.A.S.S.
STANDBY/ON
MAIN (3) P.C.B.
MAIN (1) P.C.B.
MAIN (4) P.C.B.
MAIN (8) P.C.B.
DRIVER
MAIN (2) P.C.B.
VCC
+V1
E
T
OVL
E
MAIN
BASS
+V2
+15
-15
PWS
VCC
+V1
PWS
MA1
E
T
OVL
BASS
+15
-15
LIM
MA2
+V1
PWS
MA1
E
T
OVL
BASS
+15
-15
LIM
MA2
+
–
LEDG
E1
LEDR
LEDG
E1
LEDR
RE
RE
BL
MAIN (6) P.C.B.
■
PRINTED CIRCUIT BOARD (Foil side)
Ref. No.
Location
D1
J3
D2
I4
D3
J4
D4
F3
D5
F3
D6
H3
D7
F3
D9
H4
D12
I6
D19
H3
D20
G3
D21
G3
D22
F4
D23
F4
D24
J3
D202
H6
IC1
H2
IC2
H4
IC3
H4
IC4
D5
IC7
F6
IC10
C3
IC11
D5
IC201
D4
Q1
G3
Q2
G3
Q5
F4
Q6
F4
Q7
F3
Q8
G3
Q9
I4
Q10
J4
Q16
G4
Q21
H4
Q22
H4
Q201
D2
Q202
D3
• Semiconductor Location
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299