Electrical Diagrams - Lincoln Electric SP-100 Service Manual

ELECTRICAL DIAGRAMS

MACHINE SCHEMATIC: Codes 9794 and Above
O N - O F F
S 1
S W I T C H
L 2 3 2
F A N M O T O R
1 1 5 V A C W / 2 4 V
A U X W D G
1 1 5 V A C
6 0 H Z
L 1
3 1 3 1 A
3 0 A
C I R C U I T
B R E A K E R
G N D
P 1 P 1
6 2
J 1 J 1
G A S
S O L E N O I D
1 2 0 V A C
D 3 D 4
2 4 V A C
D 7
D 5 D 6
4 7 . 5 K
+ 1 5 V
4 . 7 5 K
R 1 2 R 1 3
2 2 . 1 K 8 2 . 5 K
2
1
X 1
3
+ 1 5 V
D Z 1
1 0 V
1 W 1 N 9 1 4
. 1 5 A
7 5 V
5 6 2 1
J 1
2 O C I 1
4
2 0 5
2 0 6 J 1
A R C
5
V O L T S
5 K
2 W
2 0 7
1
J 1
2 0 4
5 6 2
A R C V O L T A G E
1 . 0 0 K
F E E D B A C K
1 2
R 2 8
2 . 2 1 K
X 1
1 3
C 1 0
1 . 0 0 K 1 . 0
3 5 V
NOTE: This machine schedmatic is provided for reference only and may not be totally applicable to every code covered
in this manual.
3 2
P 1
3
C 2 5
J 1
. 0 0 4 7
1 4 0 0 V D C
1 2 5 V A C 5 3 1
C 1
. 0 0 4 7 C 2
2 5
R 1
1 4 0 0 V
5 W
1 2 5 V A C 1 5 0
.1
5 W
C 3 4 0 0 V
.1 S C R 1
3 1 A
4 0 0 V
2 1
5 5 A 3
6 0 0 V
1 2
S C R 2
3
D 1 D 2
R 2 R 4
S C R
1 . 0 0 K 1 . 0 0 K
F I R I N G
C 4
6 O C I 2
1 0 0
D 1 8 D 1 9
M T 1 4
G
3 2 2 5 0 0 D
T R I 1
R 3
M T 2
1 . 0 0 K
1 5 0
C 2 7
.1
G A S S O L E N O I D
4 0 0 V
C O N T R O L 4 O C I 1
3 . 3 2 K 3 . 3 2 K 3 . 3 2 K
7 O V E R C U R R E N T
6
S H U T D O W N
Q 1
+ 1 5 V
5 0 0 m A
3 0 0 V
V O L T A G E
R E G U L A T O R
D 8 C 1 4
M C 7 8 1 5 C T D S
+ 1 5 V S U P P L Y
+ 1 5 V
3 9 . 2 K
2 2 . 1 K
X 4
I N O U T
2
C 5 C 6
G N D 1
X 2 R 3 9
1 5 0 4 . 7
5 0 V 3 5 V 3
2 2 . 1 K
1 5 . 0 K
2 0 3
R 1 9
5
W E L D
X 2
6 . 8 1 K
7
B U R N B A C K 6
2 6 7 K
D 9
S A W T O O T H
+ 1 5 V
5
R 1 4 P W M
7
6 8 . 1 K X 1
C 7
6
.1
D 1 0
1 0 0 V
R 1 5
6 8 . 1 K
1 . 3 K
1 . 3 K
R 1 6
1 . 3 K
G A S 1
D 1 1
S O L E N O I D
C O N T R O L S C R
F I R I N G 3 3 . 2 K
R 1 7
5 6 . 2 K 2 O C I 2
C 2 4
9
R 2 5
8
C 9 5 6 . 2 K X 1
1 0
A R C V O L T A G E
E R R O R A M P L I F I E R
+ 1 5 V 4 4
1 4
R 2 9
C 1 1 X 1 C 1 2 X 2
5 6 . 2 K
L M 2 2 4 L M 2 2 4
2 . 2 1 K
5 6 . 2 K
1 1 1 1
D Z 2
5 . 1 V
1 W
O U T P U T
C H O K E
D 1 D 2
P 2 J 2
8 5 A 8 5 A 2 0 4
4
3 0 0 V 3 0 0 V
T 1
+ C 1
C 2 2
8 0 8 0
. 2 2
1 5 W 1 5 W
5 9 K 1 0 0 V
4 0 V
D 3 D 4
8 5 A 8 5 A
P 2 J 2
3 0 0 V 3 0 0 V 3
2 0 3
+ 1 5 V
3 . 0 1 K
3 . 0 1 K 3 . 0 1 K
+ 1 5 V
J 2
9
2 1 1
1 5 . 0 K
T H E R M O S T A T
C 2 1 Q 4
2 1 2
R 7 4 6 0 0 m A
T R I G G E R 4 0 V
S 2 1 0 K
S W I T C H
Q 3
2 1 3 M O T O R
6 0 0 m A
S T O P
4 0 V
8
J 2
+ 1 5 V
R 6 6
2 K 2 K
1 0 K 1 0 K
1 5 . 0 K
O S C I L L A T O R
3
+ 1 5 V
D 1 7
X 3
C 2 6 2
D 1 3
1 . 0 0 K 1 5 . 0 K
R 6 5
C 2 0
6 . 8 1 K
1 3
E R R O R
Q 2
A M P
1 0
6 0 0 m A X 3
+ 1 5 V
4 0 V 8 1 2
X 3
9
1 0 K
R 5 9
1 0 0 K
D 1 2 C W 1 . 0 0 K C 1 9
1 0 K
C 8 1 . 8
1 . 0 2 0 V
3 5 V
L O W
T R I M D 1 4
S E T
H I G H
1 . 0 0 K
T R I M
6 8 1
S E T
R 5 3
1 0 0 K
7
J 2 1 0 0 K
R 5 2 M O T O R
V O L T A G E
1 0 1 0 0 K
F E E D B A C K
2 0 8 1 3
W I R E
1 4
S P E E D
X 2 R 4 9
2 0 9
J 2
5 K 1 2
7 R 4 2 2 . 2 1 K
2 W S P E E D
1 0 0 K S E T
C 1 6
2 . 2 1 K
2 0 3
M O T O R
6
C U R R E N T 8
F E E D B A C K
J 2
R 4 4 R 4 5
3 9 2 K 1 8 . 2 K
+ 1 5 V C 1 5
1 8
1 . 0 0 M
1 5 V
D 2 0
4
C 1 3 X 3
L M 2 2 4
1 1
W E L D I N G
P O W E R
O U T P U T
3 A
D 1 6
2 0 0 V
1
. 5
5 W
P W M
1 4
R 6 1
D Z 3
C 2 3
1 . 0 0 K 1 6 V
3 3 0 0
2 2 . 1 K 1 0 K
1 W
5 0 V
2 2 . 1 K 3
1
Q 7
6 A
1 0 0 V 2 0 3 2 0 3
2
Q 6
D Z 4
5 0 0 m A
4 3 V
3 0 0 V
1 W
Q 5
6 0 0 m A
4 0 V
4 7 . 5
6
X 3
R 5 0 R 5 1
5
1 0 K 1 . 0 0 K
C 1 8
1 . 0 J 2
1 . 0 0 K
3 5 V
1
B
5 4 1
D 1 5
W I R E
F E E D 3 A
R 7 3
1 0 2 0 0 V
M O T O R
X 2
1 0 K
C 1 7
4 . 7 W 5 3 9
9
3 5 V
2
3 . 3 2 K
J 2
. 5
5 W
D 2 1
R 7 5
2 6 7
2 0 3
G-8
SP-100