H4020-ED2-55
+DC ERROR
-DC ERROR
5
6
2
3
1
10
9
8
7
11
4
T3
BC639
BC640
T2
A5...A8 = IC5
BD681
T9
T4
BC546B
7
4
4
8
4
7
4
8
5
6
7
1
3
2
A3,A4 = IC9
A1,A2 = IC8
T6
BC546B
BC556B
T7
BC556B
T8
T5
BC546B
t
IN
GND
Bin
GND
Bout
GND
R45B
560
R47
560
R55
180
R56
180
R61
2K2
R62
2K2
R28
8K2
R59
39K
R57
180
R58
180
R64
2K2
R63
2K2
R27
8K2
R32
18K
R39
47K
R41
47
R36
18K
R46
47K
R45A
470
R53
180
R79
0.22-5W
R49
10K
R65
1K
R43
10K
R67
82K
R78
0.22-5W
R48
10K
R76
220-5W
R75
1-1W
R60
1K5
R52
33K
R54
180
R50
10K
R51
10K
R81
0.22-5W
R80
0.22-5W
R65
1K
R44
10K
R68
82K
R69
330
R26
3K3
R29
330K
R30
330K
R33
18K
R34
18K
R31
330K
R12
4K7
R40
47K
R77
560-5W
R35
18K
R42
27K
R38
4K7
C19
2µ2
C7
330p
C8
330p
C43
33p
C6
330p
C17
220n
C9
10n
C18
220n
C10
10n
R82
3k9-0.6W
+V1
+V
+V1
+V3
-V2
+V1
+V1
-V1
+V1
+V3
+V
-V1
+V2
-V1
-V3
-V1
-V1
-V1
-V1
+V
-V
LF
LS+
LS-
6
3
2
TL071
IC6
6
3
2
TL061
IC7
1
3
2
1/2 TL072
A3
7
5
6
1/2 TL072
A4
14
12
13
1/4 LM324
A8
1/2 TL072
A1
1/2 TL072
A2
1/4 LM324
A5
1/4 LM324
A6
1/4 LM324
A7
D11
1N4148
D4
1N4148
D12
1N4148
D10
1N4148
D6
1N4148
D5
1N4148
D7
1N4148
D8
1N4148
D9
1N4148
ZD5
4V3
ZD7
43V
ZD5
43V
6V2
ZD6
LD29
RED
LD30
RED
LD
RED
THERMIC
TS
IRFP140
T12
IRFP140
T13
T10
IRFP9140
T11
IRFP9140
C28
100µ
C27
100µ
C26
100µ
C25
100µ
C22
1µ
C21
1µ
C20
1µ
C23
1µ
C24
10µ
RY1
-V3
Summary of Contents for K4020
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