Lincoln Electric SVM104-A service manual Control Board Schematic Drawing G2015

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ELECTRICAL DIAGRAMS

CONTROL BOARD SCHEMATIC DRAWING (G2015)

+ 2 4 V

D 5

+ 1 5 V

D 6

+ 5 V

+ 5 V

+ 1 5 V

+ 1 5 V

L 3

X 2

L 1

X 1

+ 1 8 A

5 m H

I N

O U T

5 m H

I N

O U T

+ 5 V

1

D 1 0

D 9

D Z 7

D 1

D 4

2 6 7

4

4

2

X 5

3

T O

P 7

J 7

1 7 V

G N D

G N D

2R

3

C 5 8

C 4

+ 1 8 A

L 9

5 W

C 3

C 1

S P A R E O U T P U T / I N P U T P O R T

C 1 3

C 5 2

3

4

P H 3

P 7

J 7

. 2 7

4 . 7

X 3

X 7

C 5 0

X 6

. 3 3 m H

A U X

1

3 3 0 0

3 3 0 0

C 2

C 5

C 6

C 6 4

1 3

5 0 V

3 5 V

+ 1 8 B

( T E S T )

0 . 2 7

0 . 2 7

5 0 V

5 0 V

4 . 7

. 2 7

L M 2 2 4

5 0 V

L M 2 2 4

5 0 V

X 5

1 1

D 8

D 7

D Z 8

3 5 V

5 0 V

+ 5 V

P 3

1 2

2 6 . 7

P 3

P 3

P 3

P 3

P 3

P 3

P 3

P 3

P 3

1 5 V

D 2

D 3

1R

1 1

1 1

+ 1 8 B

5 W

8

5

6

C 6 7

L 2

1 0

5

4

3

2

1

6

7

9

X 6

6

L 4

0 . 2 7

T O

5 m H

J 3

J 3

J 3

J 3

J 3

J 3

J 3

J 3

J 3

J 3

J 6

5 0 V

X 5

4

5 V O L T S U P P L Y

5

+ O U T P U T

5 m H

1 5 V O L T S U P P L Y

+ 5 V

8

P 5

+ O U T P U T

1 0 K

K

9

X 6

8

P 1

1

34R

83R

00.1

T O

1 3

J 5

+ 5 V

1 4

1 4

4

T R A N S I S T O R D R I V E

X 3

1 4

+ 5 V

1 1

1 0

C I R C U I T O N P O W E R B O A R D

X 6

1 2

R 1 4 0

Q 1 4

X 5

C 3 0

C 3 1

X 6

X 4

C 1 2

C 5 4

P 1

1 0 0 K

C 4 9

6 0 0 m A

1 0 K

. 2 7

H E X T R G R

M C 6 8 7 0 5 R 3

. 0 4 7

4 0 V

D 5 8

C 1 9

R 3 6

4 0 1 1

5 0 V

2

R 1 3 8

R 1 3 9

L 6

C 6 8

1 0 0 V

1 . 0

1 0 K

5 . 6 m H

. 0 0 4 7

5 . 1 1 K

C 6 2

D 4 8

2 2 1 K

Q 1 3

D 4 9

5 0 V

R 9 7

7

7

1

J 6

1 0

3 0 0 0 V

2 2 . 1 K

1 . 0

C 4 8

6 0 0 m A

73

5 0 V

D 4 7

4 0 V

1 0 K

X 3

8

. 2 2

C 1 4

1R

1 0 0 V

R 1 5 1

9

2 2 p

46

1 0 0 V

1 0 K

1 0 0

1

281 R

K9. 09

W A T C H D O G

R 1 5 2

R

1 6

P C 7

P A 7

4 0

1 0 K

R 8 0

T R A N S I S T O R D R I V E S I G N A L

3 . 5 8 M H z

Y 1

2

R E S

X 4

P A 6

3 9

R 1 7 0

1 . 0 0 K

Q 1 6

5

E X T A L

P A 5

3 8

1 0 K

T O S T A T U S B D

R 1 2 1

6 0 0 m A

18

K9

6

X T A L

P A 4

3 7

R 1 7 1

J 8

P 8

1 . 0 0 K

4 0 V

R 9 9

7

" F A U L T "

1R

.09

1 5

P C 6

P A 3

3 6

1 0 K

4 7 5

+ 2 4 V

2 1

P D 3

P A 2

3 5

Q 9

1

8

P D 6

P A 1

R 9 8

R

1 8

3 4

6 0 0 m A

K9.

V O L T A G E F E E D B A C K

1 7

P D 7

P A 0

3 3

1 0 K

4 0 V

87

2 4

3 1

+ 5 V

R

09

P D 0

P B 6

411 R

1 5

+ 5 V

1 9

3 0

G 1

R 1 6 5

P D 5

P B 5

R 1 7 2

2 W

J 6

P 6

1 0 K

1 0 K

8

T I M E R

P B 4

2 9

5

5

C 2 8

D Z 4

7

V P P

P C 5

1 4

D 4 6

3 D 5 5

86

3 . 3 2 K

1 . 0

5 . 1 V

4 7 5

1 . 0 0 K

1 0 K

3

4

V C C

P B 7

3 2

R 2 9

J 8

P 8

T O S T A T U S B D

D 6 4

P T 3

1 N 4 9 3 6

5 0 V

1 W

P 8

J 8

R

1

2 5

3

" O U T P U T O N "

0 . 2 m H

P T 3

C 3 6

1R

R 3 4

R 1 6 9

V S S

P B 0

R 1 7 3

4 7 5

1 N 4 9 3 6

0 . 2 m H

72

1 0 0

1 1

1 0 0 p

2 0

2 6

1 0 K

D 5 0

1R

P D 4

P B 1

1 0 0 V

C N C I N T E R F A C E

D Z 1 7

2 3

P D 1

P B 2

2 7

6

4

O K T O M O V E

5 . 1 V

1 3

P C 4 M C 6 8 7 0 5 R 3

P B 3

2 8

+ 1 5 V

R 1 1 9

J 6

4

P 6

1 W

3

1 0

9

I N T

P C 1

1 0

1 3

1 2

Q 1 2

3 . 3

1 1

P C 2

P D 2

2 2

X 5

X 6

R 1 0 8

5 A

1 W

G 2

1 0 K

8

J 6

P 6

5

1 2

P C 3

P C 0

9

8

4 7 5

1 0 0 V

6

3

1 . 0 0 K

R

6R

J 1 0

P 1 0

1 0 K

P H A S E 1

1 D 5 6

R 6 6

4

32

+ 5 V

1 0 K

1 N 4 9 3 6

F I R I N G

2 0 0

1R

11

P T 3

C 4 5

R 1 1

1

6

2 6 . 7

1

P 1

J 4

R 7

76R

R

0 . 2 m H

821 R

1 0 0

1 0 0 p

1

6 8 . 1 K

2

6 8 . 1 K

O C I 1

M T 2

J 1 0

P 1 0

1 0 0 V

2

1

3 0 4 3

T R I 1

3

2

T O S H U N T

C 2 4

R 5

X 3

R 1 2

2 5 0 0 D

D 5 9

2

4

G

C 2 3

J 6

P 6

. 0 0 4 7

1

3

M T 1

R 1 2 0

3

6 . 8 1 K

X 7

R 9

1 . 0 0 K

R 1 0 1

P 1

J 4

5 0 V

. 1

3 . 3

R 6

3

6 8 1

D Z 5

4 0 0 V

J 1 0

P 1 0

2 2 . 1 K

2

Q 3

R 6 5

C 3 8

6 . 8 1 K

5 . 1 V

6

1 W

D Z 2 1

6 8 . 1 K

6 . 8 1 K

1 0 K

C 7

1 W

R 6 9

6 0 0 m A

1 . 0 0 K

R 1 0 2

66

6 8 . 1

8R

1 . 0

2 . 2 1 K

4 0 V

+ 1 5 V

Q 2

5 . 1 V

4

01

5 0 V

H I G H F R E Q U E N C Y S O L I D S T A T E R E L A Y

F A U L T

R 8 2

D 6 1

1 0 0

1R

1 W

R

R

6 0 0 m A

1 N 4 9 3 6

1 0 K

4 0 V

+ 5 V

06

1

X 6

2

C U R R E N T A M P L I F I E R

1 . 0 0 K

J 1 0

P 1 0

P I C K E T F E N C E

+ O U T P U T

R

R 6 2

C 2 9

1

2 0 0

. 0 4 7

2 0 0 V

1

6

2 6 . 7

4

F A U L T

O C I 2

M T 2

6R

08

3 3 . 2 K

+ 1 5 V

S

3 0 4 3

T R I 2

+ 1 5 V

1

S

75

2 . 2 1 K

2

4

G

M T 1

2 5 0 0 D

C 2 2

R

OR

1R

C

. 1

D 2 4

SE

3

1 . 5 0 K

Q 4

4 0 0 V

R 6 3

CAR T

9R

R 5 9

6 0 0 m A

971

3 3 . 2 K

3

1 . 0 0 K

1R

2 4 3

2 . 2 1 K

4 0 V

R

ON

D 2 5

P I L O T R E L A Y S O L I D S T A T E R E L A Y

R 2 3

R 9 4

R 9 5

C

P 2

4

J 2

+ 1 5 V

1 5 0

1 5 0

5

1 0 K

1 0 K

6

Q 7

D Z 9

1 / 2 W

42R

1 / 2 W

58R

1 0 0

O C I 6

1 / 2 O F 2 - 4

D 2 6

68

3 3 . 2 K

X 3

7

R 1 5

D 2 7

C N Y 1 7 - 3

C W

P 2

J 2

5

6

1 . 0 0 K

1 N 4 0 0 7

1

C 1 6

C 4 0

R

6

4

C 4 3

C O N T R O L P O T

1

R 1 4

5 . 6 2 K

1 A

1 5 V

+ 5 V

5R

R 5 5

J 1 0

P 1 0

P 5

J 5

1 N 4 0 0 7

. 3 3

. 3 3

1

4 . 7

2 0 0 V

1 0 K

1 0 K

D Z 1 8

1 0 0 V

1 W

2

7

2 0 0 V

3 5 V

D Z 1

61R

4 . 7 5 K

5 . 1 V

2 0 0

P 5

J 5

D Z 3

O C I 7

+ 1 5 V

C 9

D Z 1 6 C O N T R O L P O T

1 W

1

6

2 6 . 7

O C I 6

C N Y 1 7 - 3

2 2 1 K

1 0 V

C 8

1 2 V

A M P L I F I E R

45

5

1 5 V

38

2 . 2 1 K

19

1 . 0

2 C N Y 1 7 - 3

3 3 . 2 K

1 W

1 W

2

78

1 W

O C I 3

M T 2

R

R

R

+ 1 5 V

5 0 V

1 0 K

D 3 0

C 1 1

D Z 1 0

85

2 . 2 1 K

3 0 4 3

T R I 3

D 2 9

R

1 5 0

P 2

J 2

031

1 5 V

1R

2 5 0 0 D

1 N 4 0 0 7

1 N 4 0 0 7

2

4

G

C 2 1

5 0 V

2

1 W

M T 1

R

. 1

52

3 3 0

R 7 6

Q 1

Q 8

1 . 5 0 K

D 7 1

65

2 2 1 K

Q 5

4 0 0 V

R

1 / 2 W

6 0 0 m A

6 0 0 m A

1R

R 5 3

1 0 . 0

4 0 V

4 0 V

09R

R 5 7

6 0 0 m A

2 . 2 1 K

4 0 V

1 . 0 0 K

C 2 5

G A S S O L E N O I D R E L A Y

. 0 2

+ 1 5 V

C 4 2

+ 1 5 V

J 4

P 1

6 0 0 V

D Z 2

R 9 6

D

R 1 7 7

62R

3 3 0

2 . 7

3

C O N E

5 . 1 V

88R

8 . 2 5 K

1 0 K

D 3 6

P 5

5 0 V

5

3 . 3 2 K

P 5

1 / 2 W

1 W

+ 1 5 V

S W I T C H

O C I 7

R 4 7

P 5

J 5

C 3 9

K00 .1

R159 1.00K

R175 K1.00

671 R

94R

3 9 0

6

8

C N Y 1 7 - 3

K05 .1

3

. 3 3

C 4 1

3 . 3 2 K

5 W

+ 1 8 A

1 0 K

64R

J 5

J 5

2 - 4

2 0 0 V

. 3 3

SSO RC SE

6

4

C 4 4

44R

R 1 7 8

D 7 2

1

5

P 5

J 5

2 0 0 V

4 . 7

001 R

2 2 1 K

1 N 5 4 0 6

48R

4 7 5

3 . 3 2 K

4

D 3 5

3 5 V

O C I 9

R 1 9

C N Y 1 7 - 3

R 4 0

1 0 0

061 R

57R

98R

2 2 1 K

1 . 0 0 K

D 1 1

C 6 3

481 R

3 9 0

161 R

1 0 0

3 3 0

CAR T

C 1 0

1 0 K

2

6

4

1 0 K

1

6

. 0 5

5 W

1 / 2 W

1 / 2 W

1 / 2 W

6 0 0 V

ON

. 3 3

12

D 1 4

D 1 3

1 2

O C I 4

+ 1 8 B

2 0 0 V

R

1 4

3 0 2 3

S C R 1

1 / 2 O F S A F E T Y

C 2 6

1 0 K

X 7

R 2 2

D Z 6

2 2 1 K

07R

2 N 6 5 0 8

DSH .

4 . 7

02R

6 . 2 V

1 3

5 . 1 1 K

2

4

C 2 0

3 5 V

1 W

C 2 7

. 2 2

429

1 0 K

3 . 0 1 K

Q 6

4 0 0 V

J 4

P 1

1G ]05 ,05 [

1 . 0 0 K

85R

5 . 1 1 K

14R

17R

R 4 8

81R

R 4 5

6 0 0 m A

4

Z E R O C R O S S

D 1 2

2 . 2 1 K

4 0 V

1 . 0 0 K

DAC

J U M P S T A R T E N A B L E S C R

R 7 3

C 4 6

+ 1 5 V

6 . 8 1 K

. 1

+ 1 5 V

1 . 0 0 K

1

1 0 0 V

6R

R 1 4 2

1 / 2 O F 2 - 4

2

3 3 2

T O S T A T U S B D

C

1 0 0 K

3

P 8

J 8

R

" P R E S S U R E "

L 8

9

3 . 3 2 K

9

R 1 4 7

R 3 3

2

5 . 1 1 K

1 6

J 8

P 8

. 3 3 m H

1R

8

C 5 5

1 0 0

X 7

1 4

1 0

. 2 7

84

3 . 0 1 K

D Z 1 9

P R E S S U R E S W I T C H

R 1 5 0

5 0 V

1

5 . 1 V

C 1 5

R

D Z 1 3

1 0 K

1 0 K

R 1 4 5

1 W

1 . 0

30

C 6 6

6 . 8 1 K

C 5 3

5 . 1 V

5 0 V

C 5 6

141R

3 3 . 2 K

1 W

1R

0 . 2 7

1 0 0 K

D

. 2 7

+ 5 V

34

D 6 9

5 0 V

1R

6

5 0 V

G E N E R A L I N F O R M A T I O N

P U R G E / R U N

L A S T N O . U S E D

S W I T C H

2

1 . 0 0 K

X 7

7

R 1 4 6

E L E C T R I C A L S Y M B O L S P E R E 1 5 3 7

R - 1 8 4

P R E S S U R E

7

C -

6 8

47

1 . 0 0 K

P U R G E / R U N

R

P 2

J 2

5

F A U L T

5 . 1 1 K

C A P A C I T O R S =

M F D . 0 2 2 / 5 0 V

U N L E S S O T H E R W I S E S P E C I F I E D )

T H E R M O S T A T

D Z 2 0

C 6 0

L A B E L S

D - 7 2 D Z - 2 1

3

149 3 . 0 1 K

R E S I S T O R S = O h m s (

1 / 4 W U N L E S S O T H E R W I S E S P E C I F I E D )

L 7

R

P 8

J 8

R 2 7

1 . 0 0 M

C 5 1

( 2 P L A C E S )

5 . 1 V

. 2 7

D I O D E S =

1 A , 4 0 0 V

( U N L E S S O T H E R W I S E S P E C I F I E D )

S U P P L Y V O L T A G E N E T

. 3 3 m H

P 8

J 8

1 5

44

1 W

5 0 V

R

R 3 1

1 0 0

S A F E T Y R E S E T

1 . 0

1 3

1R

J 8

P 8

N O T U S E D :

P O W E R S U P P L Y S O U R C E P O I N T

5 0 V

R 1 5 3

1 0 0

+ 5 V

1 2

D Z 1 5

4 7 5

P 2

J 2

C O M M O N C O N N E C T I O N

D Z 1 4

C 1 8

40

1 0 K

8

C 1 7

6

1 / 2 O F S A F E T Y

4 7 5

D 7 0 T O S T A T U S B D

C 5 7 , 5 9

P 8

J 8

5 . 1 V

" S A F E T Y "

C 6 5

551 R

4 7 5

5 . 1 V

1 . 0

03R

2 . 2 1 K

1R

2R

1 . 0

D 5 , 6 , 1 5 , 1 6 , 1 7 , 1 8 , 1 9 , 2 0

F R A M E C O N N E C T I O N

1

1 W

0 . 2 7

1 W

5 0 V

5 0 V

F I L E : G 1 9 5 1 - 4 H B

2 2 , 2 3 , 2 8 , 3 3 , 3 4 , 3 7 , 3 8 ,

P 8

J 8

3 9 , 4 0 , 4 3 , 4 4 , 6 0 , 6 7 , 6 8

E A R T H G R O U N D C O N N E C T I O N

2

5 0 V

R 1 7 4

N O T E S :

P 8

J 8

9

2 . 2 1 K

Q 1 5

N . A . S I N C E C O M P O N E N T S O R C I R C U I T R Y O N A P R I N T E D C I R C U I T B O A R D M A Y C H A N G E

P 8

J 8

T H E R M O S T A T

6 0 0 m A

W I T H O U T A F F E C T I N G T H E I N T E R C H A N G E A B I L I T Y O F A C O M P L E T E B O A R D , T H I S D I A G R A M M A Y

6

4 0 V

N O T S H O W T H E E X A C T C O M P O N E N T S O R C I R C U I T R Y O F C O N T R O L S H A V I N G A C O M M O N C O D E

R 1 5 4

J 8

P 8

T O S T A T U S B D

N U M B E R .

8

4 7 5

" T H E R M O S T A T "

G-18

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