YST-SW215
8
YST-SW215
■
BLOCK DIAGRAM
IC3
Q1, 2
REGULA
T
OR
POWER SUPPL
Y
D1
SUB
POWER SUPPL
Y
D203
Q209
T1
T2
D202
D12
Q206
D9
+15
+B
-15
-B
Q9
Q10
RY
2
F1
PROTECTION
0.1
DRIVER
RY
1
3
IC1
MUSIC
SENSOR
IC4
TIMER
IC201
+
8
4
6
7
3
AUT
O
ST
ANDBY
SW2
H
AUT
O POWER ON/OFF CIRCUIT
Q5, 6, 7, 8
D4, 5, 22, 23
Q205
R252
C227
POWER
AMP
1
OFF
L
IC202
REGULA
T
O
R
ST
ANDBY/ON
SW4
Q207, 208
D204
REGULA
T
O
R
(R,
T
, K models only)
POWER
SW5
A.N.I.C
IC2, Q16
L.P
.F
6dB/oct
1
12
Q21, 22
D24
IC7A
VR1
VOLUME
B.P
.F
.
Q201
—
204
L.P
.F
.
12dB/oct
3
8
IC7B
4
2
2
HIGH CUT
VR2
L
R
+
–
–
+
INPUT 1
L
R
INPUT 2
L
R
+
–
–
+
OUTPUT
IC10A
7
8
6
SW1
PHASE
SELECT
IC10B
L.P
.F
.
12dB/oct
4
2
BASS
SELECT
SW3
H.P
.F
.
12dB/oct
+
+
+
6
LIMITER
H
OFF
L
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
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