Lincoln Electric SP-100 Service Manual page 61

ELECTRICAL DIAGRAMS
MACHINE SCHEMATIC: Codes Below 9794
O N - O F F
S W I T C H
S 1
L 2 3 2
F A N
M O T O R
1 1 5 V A C 1 1 5 A C
6 0 H Z
3 1 A
L 1 3 1
3 0 A
C I R C U I T
B R E A K E R
T O G N D .
B 3 2 A
G A S
S O L E N O I D
1 2 0 V A C
B 7
T 1
1
3
2 4 V
4
5
2
6
+ 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
+ 1 5 V
D Z 1
1 0 V
5 0 0 m W
2
5 6 2
J 1
4
2 0 5
A R C 2 0 6 J 1
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
C 1 0 1 3
1 . 0
1 . 0 0 K
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
J 1
C 2 5
. 0 0 4 7
B 3 1 A
1 4 0 0 V
B 5 3 1
R 1
1 2 0
C 2 S C R 1
2 W
. 1 5 5 A
4 0 0 V 6 0 0 V
2 1
3
1 2
C 1
3 S C R 2
. 0 0 4 7
5 5 A
2 7
1 4 0 0 V
6 0 0 V
2 W
D 1 D 2
R 2 R 4
C 3
S C R
. 1
1 0 0 0 1 0 0 0
4 0 0 V F I R I N G
1 / 2 W 1 / 2 W
O C I 2
6
D 1 8 D 1 9
C 4
R 5
4
1 0 0
1 K 1 / 2 W
R 3
1 / 2 W
1 5 0
T P 2
G A S S O L E N O I D 1 / 2 W
1 0 K 1 5 0 V
C O N T R O L
2 W 4 5 J O C I 1
4
T R I 1
2 5 0 0 D
6
V O L T A G E
2 4 V A C
R E G U L A T O R
D 8
+ 1 5 V S U P P L Y
M C 7 8 1 5 C T D S
D 3 D 4 + 1 5 V
R 9 X 4
I N O U T
D 7
2 7
D 5 1 / 2 W
D 6 C 5 C 6
G N D
1 5 0 4 . 7
4 7 . 5 K
5 0 V 3 5 V
2 0 3
R 1 9
5
X 2
6 . 8 1 K
7 C 8
1 . 0
B U R N B A C K
6
2 6 7 K 3 5 V
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
1 0 0 V
R 1 5
6 8 . 1 K
D 1 0 1 . 3 K 1 . 3 K
1 N 9 1 4
R 1 6
S C R
1
F I R I N G
1 . 3 K
1
D 1 1
O C I 2
O C I 1 R 1 7 3 3 . 2 K
2
5 6 . 2 K
2
G A S
S O L E N O I D
C O N T R O L
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 C 1 2
X 1 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
5 0 0 m 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 4 2 0 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
1 0 0 V
5 9 K
4 0 V
D 3 D 4
8 5 A 2 0 3
8 5 A P 2 J 2
3 0 0 V 3 0 0 V 3
+ 1 5 V
1 . 0 0 K
J 2
9
2 1 1
T H E R M O S T A T
C 2 1
1 0 K
S 2 T R I G G E R
S W I T C H
2 1 3
D 1 7
8
J 2
O V E R C U R R E N T
Q 1
S H U T D O W N
3 0 0 V
5 0 0 m A
1 . 0 0 K
+ 1 5 V + 1 5 V
C 2 6
C 1 4
1 . 0 0 K
D 1 3
3 9 . 2 K 2 2 . 1 K
2 2
Q 2
1 1
X 2 R 3 9 2 0 0 m A
3 3 0 V
2 2 . 1 K
3 1 . 0 0 K
1 5 . 0 K
+ 1 5 V
D 1 2
1 0 K
1 / 2 W
C W
2 K 3
1 0 K
1 / 2 W
2
R 5 3
1 0 0 K
C W
1
R 5 2 7
J 2
1 . 0 0 K 1 0 0 K
1 0 0 K
1 0 M O T O R
V O L T A G E
2 0 8 1 3
F E E D B A C K
1 4
X 2 R 4 9
W I R E 5 K
2 0 9
J 2
S P E E D 1 2 S P E E D
2 W 2 . 2 1 K
7 R 4 2
S E T
1 0 0 K C 1 6
2 . 2 1 K
2 0 3
6 M O T O R
8
L O A D C U R R E N T
J 2
F E E D B A C K
R 4 4
3 9 2 K
C 1 5
+ 1 5 V
1 8
1 . 0 0 M
1 5 V
D 2 0
4
C 1 3 1 3
X 3
L M 2 2 4 L E A D C O L O R C O D E
B - B L A C K
1 1
W - W H I T E
4 6
L A T C H J 1
C O N N E C T O R C A V I T Y N U M B E R I N G S E Q U E N C E
( V I E W E D F R O M C O M P O N E N T S I D E O F B O A R D )
W E L D I N G
P O W E R
O U T P U T
R 6 9
+ 1 5 V
D 1 6 . 5
3 A
5 W
2 0 0 V 5 %
1 5 . 0 K
Q 4
R 7 4
2 N 4 1 2 3
1 0 K
M O T O R
Q 3 S T O P
2 N 4 1 2 3
+ 1 5 V
R 6 6
1 0 K
1 5 . 0 K
O S C I L L A T O R
3
1
X 3
2
1 5 . 0 K
R 6 5
C 2 0
6 . 8 1 K
E R R O R P W M
1 3
A M P
1 0 1 4
X 3 R 6 1
8 1 2
X 3 2 2 . 1 K
9
R 5 9
1 0 0 K
2 2 . 1 K
C 1 9
1 . 8
2 0 V
D Z 3 C 2 3
1 6 V 3 3 0 0
1 . 0 0 K
D 1 4 1 W 5 0 V
3
1
Q 6
Q 7
5 0 0 m A 6 A 2
3 0 0 V 2 0 3
1 0 0 V
Q 5 D Z 4
4 3 V
2 N 4 1 2 3
1 W
4 7 . 5
6
X 3
R 5 0 R 5 1
5
C 1 8 1 0 K 1 . 0 0 K
1 . 0 J 2
1 . 0 0 K
3 5 V
1
B D 1 5
5 4 1
3 A
W I R E 2 0 0 V
R 7 3 F E E D
1 0
X 2 M O T O R
1 0 K
C 1 7
W 5 3 9
9
4 . 7
3 5 V
2
R 4 5
J 2
1 8 . 2 K
3 . 3 2 K
R 7 2
. 5
5 W
1 %
D 2 1
R 7 5
2 0 3
2 6 7
1 5
G E N E R A L I N F O R M A T I O N
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
C A P A C I T O R S = M F D / V O L T ( . 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 )
6 1 0 R E S I S T O R S = O H M S ( 1 / 4 W A T T , U N L E S S O T H E R W I S E S P E C I F I E D )
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 )
J 2
= C O M M O N C O N N E C T I O N
= S O U R C E P O I N T C I R C U I T L O C A T I O N
G-9
1 0 K
2 0 3
SP-100