Lincoln Electric SVM 117-A service manual Available from Lincoln

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in danger to the Machine

available from Lincoln

NOTE: Lincoln Electric assumes

261

J1

+15 V

+5 V

BURNBACK

3

D98

TIME

J1

R187

C118

262

511

2

R188

44.2K

D99

J1

SPOT/

STITCH

TIME-ON

263

4

R189

J1

264

511

6

R190

44.2K

BOARDOPTION TO

4T/OPTION

STITCHBOARD

SWITCHSENSE

265

J1

5

266

J1

7

R206

+15 V

+5 V

10K

SPOT/

CONT

SWITCH

J1

D117

10K

D96

260

1

R193

12

D

11

C117

X3

R212

R132

D97

13

4.75K

0.1

J1

47.5K

STITCH

-OFF

TIME

267

D118

50V

+5 V

8

C125

0.1

50V

D114

+5 V

D100

C119		+5 V
	D101
	R191	2.21K	D102
		C120	D103

+5 V

D104

1

X3 3

13	0D		Vcc	20
8	1D	X5	0Q	12
14	2D		1Q	9
7	3D		2Q	15
17	4D		3Q	6
4	5D		4Q	16
18	6D		5Q	5
3	7D		6Q	19
11	/LE		7Q	2
10	GND 74HC373		/OE	1
	11	D0		Vcc	28
	12	D1		A0	10
	13	D2		A1	9
	15	D3	X4	A2	8
	16	D4		A3	7
	17	D5		A4	6
	18	D6		A5	5
					+5 V

CW

256	J10		+5 V	G2330
	J10	R208
	6
		18.2K	+15 V
251	5	R207
		18.2K

	WIRE FEED			J10	L17						D106
CW	SPEED	252
			2						R195
					.33mH
									511
										C122
								R194	44.2K
											D107
								+5 V
				J10	L15			D108
ARC VOLTAGE
		253	3				R199
					.33mH
							511
								C123
						R198	44.2K
								D109
										202	203
								+15 V
				J10
		254								D23	D24

Control PC Board (G2332)

G-6

Operator or Technician. Improper PC board

Electric. This information is provided for

no responsibility for liablilities resulting from

R196

511

C124

D115

+5 V

44.2K

R197

J2

D1

D2

D3

D4

1

J2

R6

1.00K

R7

1.00K

R8

1.00K

R9

1.00K

2

J2

3

J2

4

+5 V

J2

D5

D6

D7

D8

INTERFACE

5

J2

6

SPI

J2

7

R201

J2

100

8

R202

J2

100

9

R203

541A

J2

100

10

+5 V

+5 V

R209

4.75K

D110

R210

4.75K

D112

541A

J7

1

J7

INTERFACE

2

R204

D111

D113

J7

100

+15 V

+5 V

3

R205

J7

100

SCI

4

R192

11

12

13

14

3

4

5

10K

R24

D105	C121	2	A
4.75K	0.1
	50V
	CLK1		2
X8	Q H		9
	SS/PL		1
ABCD	Q H		7
E	CLK2	15
F	SA	10
G	H	6
74HC165

+5 V

10K

R25	1	Vss		IC3	34
	2	MODB		A/D
	3	MODA		A/D	5048
	20	RXD		A/D	46
	21	TXD		A/D	44
	22	MISO	X6	AD7	16
	24	SCK		AD6	15
	25	/SS		AD5	14
	23	MOSI		AD4	13
	8	XTAL		AD3	12
	7	EXTAL		AD2	11

19	D7		A6	4
25	A8		A7	3
24	A9		Vpp	1
21	A10		CE	20
23	A11		OE	22
2	A12		A14	27
14	GND	27C256	A13	26
							4
							5	X3		6
									B
					FOR	OPTIONAL PLUG
				515	541A		542	543	206A	490
				1	5		7	8	4	6
			+15 V		J4	J4	J4	J4	J4	J4
					541A					-10 V
				+5 V						4.75K
							475	R89		6
				4.75K			D50		1	X11
			R91
										C
										7

+15 V

+5 V

R90

		1				R200
POWER-ON	+	D116				1.00K
INDICATOR	-	J10	L19
	255	4	.33mH							.25
									R61	t+
										60V
								D33
		+15 V				R60
						1.00K
										3	P8
										J8
		1.00K		1.00K			C21	DZ1		D34	SOL.
		R62	R63				4.7	15V
					R64		35V	1W
										4
		1		5	1.00K	Q10				J8	P8
		OCI1
						600mA	204
		CNY17-3
						40V				Q11
		2	6	4			R65			15A
										400V
		Q12				Q13	100			SOLENOID
	R66	600mA	R67			600mA		DZ2		DRIVER
	3.92K	40V 475K		R68	5.62K	40V		16V
33.2								1W		CIRCUITRY
R100

		D60				541A
R101					C51				204
33.2					20
					50V			J5
			22.1K							541
		R102				.047	1	13
						C50
+15 V			14			100V		D	10	9
			X	Y				Q20		PM
						G		18A	J5	J5
			X10
						R103		200V
			7			2	3	S		539
						100
R104	5.62K		D61	C52		DZ3		12
						18V		J5	11
						1W				8
									J5	J5

8				MOTOR
	X11	14
			+15 V	CONTROL
9	A

Schematic

repairs could result in damage to the machine

reference only. Lincoln Electric discourages board

board level troubleshooting. PC Board repairs

206A

R18

10K

R10

4.75K

10K

R19

7

D13

X19

1

1N4007

D

6

R20

100

C4

C5

D14

15.0K

R23

1N4007

C31

L6

22p

100V

.33mH

4.0MHz

R70

10M

Y1

1/2W

J4

130

324A 3

P4

C30

CRYSTAL

22p

TO OPTIONAL

100V

PULL GUN

+5 V

TRIGGER

J5

TRIG

P4

7

325A

324

R71

2

4.75K

J4

COM

J5

VDD

R72

1.00K

4

325

C32

X9

RES

0.1

1K

50V

S-8054HN

C33

L7

VSS

.33mH

+15 V

R74

5W

RESET

R211

2.43K

+15 V

A/D SUPPLY

J6

J6

R77

14

15

6.81K

10K

325A

320

THERM. LD. CONN.

R78

1

+

C34

+15 V

REF

TL431

+5 V

8

X17

4.7

10K

6

-

35V

R80

18	/XIRQ		AD1	10
17	/RES		AD0	9
52	VRH		AS	4
32	IC1		A8	42
49	A/D		A9	41
45	A/D		A10	40
43	A/D		A11	39
30	OC4		A12	38
29	OC3		A13	37
33	IC2		R/W	6
47	A/D		E	5
19	/IRQ		A14	36
28	OC2		A15	35
27	I/O		OC5	31
26	Vdd	MC68HC11	VRL	51

+5 V		+5 V
10K		D53
R93
	X19	5
2		D54
	A

ZERO-CROSSING4 DETECTOR

C42

.22

100V

10K

R96

L8

.33mH

C40	D51
	11			R105
				26.7K
		X11	13
	10	D		Q23
				600mA
				40V
	5
		X11	2
	4	B

	R109	6.81K		+15 V
		R110	1.50K	C53
				22.1K
				R111					6
							R112	8	X12	9
+5 V							3.32K		A
	D52						X19	9	+15 V
						14
							C			R114
				+5 V
R94	R95							8
100	16.5K								R115	15.0K
R97				R136
C41
	1.50K				4.75K
	LINE SENSING						X19	11
						13
							D
					C57
								10
208

Q21		R106	CIRCUITRY
500mA
		5.62K
300V
		Q22
		600mA
		40V
			D62
			G
R107	750		R108
			100
		Q25
		600mA	DZ4
		40V
			18V
			1W

5

		3	X12	4
			B
				R113
	C54			6.81K
2.67K
	.001	12
	400V
	10	X12	11	R116
		C		47.5K
			13
		1	X12	2
			D

C55 .25

DQ24 18A

200V

S

ELECTRICAL

.

level

will

TACH CIRCUITRY		L14
	.33mH
515B	J5	D40	R81	4.75K
	3

18 267

J9

J9

541A

750 R117

15V R118 R119 7W

C56

39

troubleshooting

invalidate

555	J5				9
TACH	1		R82		X3	C	8
			332	C36
206B	J5	C35			10
	2	0.1	D41	2700p
				50V
		50V
207		.33mH			+5 V
207
J6		L13
5
					D70

	208
	J6
16	R140
208	.25
T1	7W

	TP1
	75V
209	20J

C71

.0047

1400V

R144

C70

.68

400V

10

2W

2

5

DD1

16A

400V

Q30 8A 150V

D80

50

5W

R145

10V

POWER SUPPLIES	+15 V
D82

and repair

your factory

+15 V

R121

J6

7

52.3K

R120

R141

2

R122

100

209

.25

D71

X1

1

6.81K

D72

T1

7W

A

3

C60

CURRENT SENSING

L10

CIRCUITRY

D73

.33mH

R125

R126

+5 V

UNLESSOTHERWISE

10K

L11

511

51.1K

MATERIALTOLERANCE

ONALL ANGLESIS +

R124

C61

R127

ON3 PLACE

ON2 PLACE

.27

.33mH

1

NULL

NULL

8

D74

WITHPUBLISHED

ONHOLES

50V

511

7

J6

J6

2

INPUT

V CC

13

11

3

INPUT

X22 OUT

6

R123

R129

4

5

CT. MAIN

TP2

75V

20J

C72

.0047

1400V

D85

C75

.68

400V

D86

L12

.33mH

R143	3300
	5W

R148

100

TL431

C78

2200

63V

Q31		3.92K
500mA	R146
300V
		8
	1	X18	6

1TL431

X14 8

6

R149 6.81K

R147	15.0K		D83
	DZ5		X15
		IN
	18V		OUT
	1W
		C73	GND
		3300	DZ6
		50V	6.2V
			1W
R150	3.01K

+5 V

C74

39

20V

common

since

warranty.

("t")TO AGREE

.5 OFA DEGREE

DECIMALSIS+ .OO2

DECIMALSIS+ .O2

SIZESPER E-2056

SPECIFIEDTOLERANCE

VEE

NC

2.21K

100

J6

206S

51.1K

OP27

206

4

-

+

D75

T1

TP4

STANDARDS

SHUNT

205

C62

150V

R131

80J

J6

6

C80

.0047

1400V

R152

J9

10

2W

1 4

J9

206A

1K	R153
5W

C81

50

25V

DZ7

10V

5W

-10 V

it may compromise the quality of the design

Individual Printed Circuit Board Components

3-25 -94E 7-2 2-5 1-31 -93E -93 - 92 Ch'ge.Sht .No .

FILE: G2330_2CA

NOTES :

N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING

204

	TP5
	130V
+15 V	38J

207

3

+15 V

3 14

4 7

THE INTERCHANGEABILITY OF A COMPLETE BOARD.

X19

C100

X11	C101
	X12

C103 X1 C104 X22

C105

DR.

MJH		CLEVELAND,	THELINCOLN
DATE	SCALE

THIS DIAGRAM MAY NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING

A COMMON CODE NUMBER.

LABELS

SUPPLY VOLTAGE NET

POWER SUPPLY SOURCE POINT

LAST NO. USED

COMMON CONNECTION

		R-	212	L- 19
	FRAME CONNECTION	C-	125
			118
		D-
	EARTH GROUND CONNECTION
R - RED LEAD

	202
	J3
1	R162
202	50
T1	5W
	C90
	.0047
	1400V
	TP6
	50V
	15J
2	J3
204A
CT. AUX.	TP7
T1
	50V
	15J

D90

R164 33.2

R165	26.7	D91
C91	GATE DRIVE
1.0
35V	CIRCUITRY
C92
1.0
35V

R160	681	R161	681
				OCI2
	5		4	H11C4
			6	R163
	1		2	10K
				Q40	R167	562
	R166			600mA
	2.21K			40V

+15 V

	204	562
681	681		R173	562	R174

J3

5

G1

R168 562

J3

6

204

20

X5

74HC373

LM2901

12

	Vdd 26
C113	X6
0.1
50V MC68HC11

LM2901		4066B
12		7
+5 V
		16
C114	X8	C116

0.10.1

50V 74HC165 50V

	LM224	OP27
	11	4
		C106
	-10 V
14		28
X3	C111	X4
54HC132A	0.1
	50V	27C64

C107

C112

0.1

50V

2/16/93	NONE	OHIOU. S.A .	ELECTRICCO
			.

B - BLACK LEAD

GENERAL INFORMATION

1400V

203.0047

C93

	J3
3	R175
203	50
T1

R169 33.2

D93

R170 26.7 D92

R171 R172

OCI3

5 4 H11C4

R176

J3

7

G2

10

Vss 1

8

7 14

CHK.
SUBJECT	TYPE	EQUIP.

ELECTRICAL SYMBOLS PER E-1537

CAPS. = ufd (.022/50V UNLESS OTHERWISE SPECIFIED) RESISTORS = Ohms (1/4W UNLESS OTHERWISE SPECIFIED) DIODES = 1A, 400V (UNLESS OTHERWISE SPECIFIED)

5W

	6
1	2	10K
		Q41
R177		600mA
2.21K		40V

5

X1 B

7

ACTUAL CIRCUIT
	OF X10
1	A	2
3	B	4

DIAGRAMS

and may result

are

NOSUP'S'D'G. SHT SCHEMATIC WIREMATIC250

				1		5
			J2
				7		10	T1	SECONDARY
				1	3			208
1	2	1	4			1	6	G1
J7		J1		J9		J3		206
J8		J4		J10
3	4	5	8	4	6	7	12

204

+ + + +

+

207

WELDING OUTPUT

-

6

10

9

12

X1 C

8

5	C	6
X		Y
9	D	8
T1 AUX.
202
11	E	10
204A

WIRE-MATIC 250

not

.	CONTROL
.G2330

1 7 1 8 209

G2

XM5386		J5		J6
	XA	8	14	9	16

7/2/91 DMS

TO GROUND	TO CIRCUIT
	BOARD

13

X1 D

14

13	12
	F
203

G-6