Samson D412, D415 Schematic

D

C

B

A

LF IN

D37
47V

AC1(60VAC)

AC2(60VAC)

1

R44

10K

D38
BAV103

R43
10K

R89
22K

D39
BAV103

C36

0.47u/63V

T3
SST113

R45
100K

C54

0.1u/100V

R91
150

R92
43K

MUTE

R46
47K

C37

0.1u

R90
10K

C56
22u/100V

C58
100u/25V

**

R84
470

R93
1K

** **

C38
100P/50V

OPT1
M65CL D
(YELLOW DOT)

T16
MMBTA42

C57
4u7/100V

R48

47K

2

3

R47

10K

R85
47K

**

C39
20P/50V

IC3A
MC4580M

R86
8K2

R98
1K5

C55

22u/100V

32

654

7

8

HV+(+84.5V)

C47

1

D40
18V

R49
560

1/2D16
BAV99

1/2D15
BAV99

1/2D16
BAV99

R88
4K7 1/4W

R87
100K

1/2D15
BAV99

D41
BAV103

1/2D17
BAV99

1/2D18
BAV99

VCC+

1/2D17
BAV99

1/2D18
BAV99

VCC-

D19
BAS16

R50
2K2

R51
2K2

R55
2K2

D22
BAS16

**

C40
10P/100V

R52
2K2

T4
MMBTA42

R53
560

R54

560

T5

MMBTA92

D21
BAV103

C42
10P/100V

C44
22u/100V

R56
560

R57
560

D20
BAV103

C41
47P/50V

R58
390

T6
MMBTA92

R59
2K2

R64
5K6

R65
100

T7
MMBTA42

R60
390

R61
47

D24
BAV103

D23

BAV103

R62
47

C43
22u/100V

R63
100

T8
MMBTA42

R66
470

R67
1K

R68
470

T9
MMBTA92

R70
4K7 /1W

R69
470K 1W

R72
470K

R73
470K

F1
4A

R71

2.2 /1W

C45

0.1u

D26
15V

D27
15V

C46

0.1u

R74

2.2 /1W

F2
4A

D28
MR856

R75
4K7 /1W

T12
IRFP140N

LV+

T11
BSS139

LV-

1000P

R76
47

D25
MR856

T10

D

BSS139

VR1

S

470

D

S

D30
15V

T13
IRFP9140N

R78
47

R79
47

D29
15V

C48
1000P

C49
1000P

1

2

4

5

C52
1000P

R80
47

D31

BAV103

T14
SAP16N

R77
470

T15
SAP16P

R82
4K7 /1W

D32
BAV103

D33

18V

R81
4K7 /1W

VC+ = +41V

VC- = -41V

C53
22u/50V

D34
18V

C51

0.1u

R83

4.7

D35
US1G

C50
22u/50V

D36
US1G

D

C

X3
CON4

4
3
2
1

HF PA OUT

B

HV-(-84.5V)

A

Title

A3

Date: 16-Nov-2010 Sheet of

1

2 3 4

5

6

AURO D412 L POWER AMP

3 4

87

noisiveRrebmuNSize

Ver 1.3