5
4
3
2
1
12V
C13
+
OUT
-
R22
LM358
D
12k
C14
4
2
V-
10n
100n
1
R16
6.8k
0
-12V
100n
R35
R38
50k
0
12V
C15
18V
150n
OUT
6
-
C16
6
100n
R36
-
7
Vout
OUT
TDA2030
C12
0.22u
C20
0
0
0
100n
50k
R28
12k
+
100n
OUT
0
-12V
B
5
U6B
12k
4
1.5k
R30
R23
7
LM358
0
8
100n
V+
+
C
C19
0
U5B
5
IN 200mH
50k
8
C10
V+
L1
V-
C
0
0
4
R27
12k
V-
IN
U5A
V+
3
D
0
8
C9
R33
10
-18V
B
0
0
12V
C17
8
0
U6A
V+
3
+
15k
100n
OUT
2
C11
47n
-
LM358
12k
C18
0
-12V R37
A
R24
1
4
Vin
R14
V-
IN
100n
A
0
R32
12k
50k
0
5
4
3
2
1