Lincoln Electric SP-100 service manual Machine Schematic Codes 9794 and Above, Error

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ELECTRICAL DIAGRAMS G-8

MACHINE SCHEMATIC: Codes 9794 and Above

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S 1 O N - O F F

S W I T C H

3 2

L 2

3 2

P 1

3

F A N M O T O R

J 1

C 2 5

1 1 5 V A C W / 2 4 V

. 0 0 4 7

1 1 5 V A C

A U X

W D G

1 4 0 0 V D C

6 0 H Z

2 5

C 1

. 0 0 4 7

C 2

1 2 5 V A C

5 3 1

6R

5 W

1 4 0 0 V

R 1

1 2 5 V A C

. 1

1 5 0

C 3

4 0 0 V

5 W

L 1

3 1 A

. 1

S C R 1

3 1

3 1 A

4 0 0 V

2

1

3 0 A

C I R C U I T

5 5 A

3

B R E A K E R

6 0 0 V

G N D

1

2

S C R 2

P 1

P 1

D 1

3

D 2

6

2

J 1

J 1

R 2

R 4

S C R

1 . 0 0 K

1 . 0 0 K

F I R I N G

C 4

1 0 0

6

O C I 2

5

R

M T 1

D 1 8

D 1 9

4

G

3 2

2 5 0 0 D

T R I 1

R 3

8

1 . 0 0 K

M T 2

R

C 2 7

1 5 0

G A S

G A S S O L E N O I D

. 1

4 0 0 V

C O N T R O L

4

O C I 1

S O L E N O I D

1 2 0 V A C

7

87R

3 . 3 2 K

97R

3 . 3 2 K

08R

3 . 3 2 K

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

V O L T A G E

3 0 0 V

R E G U L A T O R

C 1 4

D 8

M C 7 8 1 5 C T D S

+ 1 5 V S U P P L Y

D 3	D 4					+ 1 5 V
2 4 V A C						53	3 9 . 2 K	8	2 2 . 1 K
				X 4		R		3
			I N			O U T		R
			D 7				2
D 5	D 6		C 5			C 6		1
	0	4 7 . 5 K	1 5 0		G N D	4 . 7	X 2		R 3 9
	1
	R
			5 0 V			3 5 V	3		2 2 . 1 K
						6	1 5 . 0 K
						3
						R

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

T 1

3 0 0 V

3 0 0 V

+

C 1

8 0

8 0

C 2 2

W E L D I N G

2

3

. 2 2

P O W E R

5 9 K

1 5 W

3R

3R

1 5 W

1 0 0 V

O U T P U T

D 3

D 4

4 0 V

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

43R	3 . 0 1 K	18R	3 . 0 1 K	28R	3 . 0 1 K
	J 2					+ 1 5 V
9
	2 1 1						7	1 5 . 0 K
	T H E R M O S T A T						6R
C 2 1	2 1 2									Q 4
								R 7 4		6 0 0 m A
	T R I G G E R
S 2								1 0 K		4 0 V
	S W I T C H
								Q 3
	2 1 3								M O T O R
								6 0 0 m A
								4 0 V	S T O P
8
	J 2					+ 1 5 V
73R	2 K	38R	2 K						R 6 6
						1 0 K
					8				1 0 K
					6	4	1 5 . 0 K
					R	6R			O S C I L L A T O R
				+ 1 5 V		D 1 7			3
										1
									X 3
			C 2 6		D 1 3	36R			2
1 . 0 0 K							1 5 . 0 K
14R
									R 6 5
								C 2 0	6 . 8 1 K
								E R R O R	1 3	P W M
Q 2
						1 0		A M P		1 4
6 0 0 m A									X 3		R 6 1
			+ 1 5 V
4 0 V							X 3	8	1 2		2 2 . 1 K
						9

1 . 0 0 K	07
	R

			DES	4				TEN
				-ZD				EG
			U.O NTS	38	72	12		ATL OV
			AL	-R	-C	-D		Y
						S		LPP US
						LEB AL
					)DE IFI ) CEP DEI S F ES ICE IW PS R E			)DE IF
			NO ITA M	735 1E REP S	FDHE/50VESSOT(.022UNL ISTHERW4WLESSO1/UN			ICE PS ESI WRE HTO SSE LNU (
			RO	LOB	M	(s		V00
			FNI	MYS	=	mhO		4,A 1
			LAR ENE G	LAC IRT CEL E	SRO TIC APA C	=S ROT SIS ER		=S EDO ID
		3 A
D 1 6
		2 0 0 V
		. 5
9
	6R	5 W
D Z 3			C 2 3
1 6 V			3 3 0 0		1		1 0 K
1 W			5 0 V		7R

TNI OP			NOIT
ECR UOS	NO ITC E	NOI T	CEN NOC
YLP PUS REW OP	NNO CN OM MO C	CEN NOC EM ARF	DNU ORG HTR AE

	EDO C		ETI
	RO	KC
	LOC	ALB -	HW -
	DA	B	W
	EL
5			0
			1
					2J
1			6
3
				6
					1J
1				4
					HCT AL
		YA	EDO C
		M	N
		MA	OM
		RGAI	MOC
		D	A
	EGN AHC YAM	SIH T,D RAO BE TE	GNI VAH SLO RTN
	DRA OB	LPM OC	OC FO
	TIU	AF	YRT
	CRI	OY	IUC

C NO RT LO

1 00

PS

CS EH AM CIT

58 25

L

1 2-0 9-2 L3

+ 1 5 V

		06			2 2 . 1 K
				R
75	1 0 K
R			R 5 9

1

Q 7 6 A

3

C	TI	R
DET NIR	LIB AEG	IC RO S

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4 . 7 5 K

2 0 3

11R

R 1 9

W E L D

5

R 1 2

R 1 3

X 2

6 . 8 1 K

7

2 2 . 1 K

8 2 . 5 K

D 9

B U R N B A C K

6

2

2 6 7 K

2

R

2

1

S A W T O O T H

5

+ 1 5 V

X 1

R 1 4

P W M

3

6 8 . 1 K

C 7

6

X 1

7

+ 1 5 V

D 1 0

. 1

D Z 1

R 1 5

1 0 0 V

02

1 0 V

6 8 . 1 K

1 W

1 N 9 1 4

1 . 3 K

81

1 . 3 K

R

. 1 5 A

R

3

7 5 V

R 1 6

2R

5 6 2

1

G A S

1 . 3 K

1

S O L E N O I D

D 1 1

J 1

C O N T R O L

S C R

12R

3 3 . 2 K

2 O C I 1

R 1 7

F I R I N G

4

5 6 . 2 K

2

O C I 2

		2 0 5
A R C	2 0 6			J 1
			5						C 2 4
V O L T S	1R						9
5 K						R 2 5
2 W		2 0 7							8
					C 9	5 6 . 2 K		X 1

							1 0
		1					A R C V O L T A G E
		J 1					E R R O R A M P L I F I E R
2 0 4
		42	5 6 2
		R
6	1 . 0 0 K			A R C V O L T A G E
2				F E E D B A C K
R
	R 2 8		1 2				+ 1 5 V	4		4
	2 . 2 1 K			X 1	1 4	R 2 9
							C 1 1	X 1	C 1 2	X 2
		C 1 0	1 3			5 6 . 2 K

1 0 0 K

C W

8

1 . 0 0 K

C 1 9

D 1 2

65

1 0 K

5R

C 8

1 . 8

Q 5

1 . 0

R

2 0 V

6 0 0 m A

3 5 V

L O W

D 1 4

4 0 V

T R I M

H I G H

S E T

5

1 . 0 0 K

T R I M

67

6 8 1

5R

S E T

R

R 5 3

X 3

6

1 0 0 K

J 2

7

45

1 0 0 K

R 5 0

R 5 2

M O T O R

5

R

V O L T A G E

1 0 K

1 0 0 K

C 1 8

1 0

2 0 8

1 3

F E E D B A C K

1 . 0

W I R E

3 5 V

S P E E D

X 2

1 4

R 4 9

5 K

2 0 9

J 2

1 2

2 W

2R

7

R 4 2

S P E E D

2 . 2 1 K

1 0 0 K

C 1 6

S E T

74

2 . 2 1 K

2 0 3

M O T O R

R

X 2

1 0

6

C U R R E N T

8

J 2

F E E D B A C K

9

64

3 . 3 2 K

R 4 4

R 4 5

+ 1 5 V

C 1 5

3 9 2 K

1 8 . 2 K

R

1 . 0 0 M

3

1 8

4R

1 5 V

D 2 0

D 2 1

4

C 1 3 X 3

Q 6

5 0 0 m A

	3 0 0 V
	4 7 . 5
2
6R

R 5 1

1 . 0 0 K

84	1 . 0 0 K
R

R 7 3

1 0 K

C 1 7 4 . 7 3 5 V

R 7 5

2 6 7

1 0 0 V 2 2 0 3 2 0 3

D Z 4 4 3 V 1 W

		J 2
	1
B
		5 4 1
W I R E			D 1 5
F E E D			3 A
M O T O R			2 0 0 V
W
		5 3 9

2

J 2

2	. 5
7R	5 W

	PA NO YRT IUC RIC	NAH CRE TNI EHT G	TNE NO PM OC TCA
	RO	NIT	XE
	STN ENO PM OC E	CEF FA TUO HTIW	EHT WO HS TON	.RE BM UN
:S E	CNI S
TON	.A.N

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72		1 . 0 0 K	1 . 0						L M 2 2 4	L M 2 2 4
	R		3 5 V		03	13		2 . 2 1 K
L				5 6 . 2 K	R		R		1 1	1 1

8552
	D Z 2
	5 . 1 V
	1 W

L M 2 2 4

1 1

2 0 3

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NOTE: This machine schedmatic is provided for reference only and may not be totally applicable to every code covered in this manual.

SP-100