Lincoln Electric SVM146-A PC Board Assembly Control Board Code 10577 & 10578 only, G3560-1

Page 103

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TOC

G-5

ELECTRICAL DIAGRAMS

G-5

PC BOARD ASSEMBLY - CONTROL BOARD (CODE 10577 & 10578 ONLY)

 

 

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Section TOC

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Master TOC

N.A.

~.04

6.00

5.75

R175

X8

C71

C3

N.F.

PRO-CUT 80 CONTROL

 

 

 

 

 

 

 

 

 

 

C70

 

 

 

 

R4

R5

R6

R7

R8

R9

R10

 

 

 

C67

 

 

 

 

D6

 

 

 

 

 

LED2

R176

 

 

 

 

 

 

 

 

 

 

 

 

 

C51

 

 

 

 

R173

 

 

 

 

 

 

 

 

X17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R3

 

X7

 

 

 

D9

C72

R160

R158

R56

C30

R57

R174

C24

R2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G3560-1

 

C49

C38

X15

X10

N.G.

 

R68

R44

R69

R43

X11

R137

R178

R108

R181

C34

C14

 

 

 

 

 

 

X5

N.C.

2

 

C52

 

 

R31

Y1

 

 

 

C46

 

C12

 

 

R132

 

R136

 

 

 

 

C25

R61

R133

 

 

 

R62

R187

 

 

 

 

R63

C20

 

 

Q5

C55

C60

1

3

 

 

 

!%ÏG

 

 

 

 

 

 

3

ITEMG3560!%ÏG-1B3

 

REQ'D

PART NO.

DESCRIPTION

C1

1

 

S13490-92

 

3300/50

 

 

C2,C8,C10,C11,C13,C14,C17

30

S16668-5

.022/50

 

C20,C23,C24,C31,C34,C35

 

 

 

 

 

 

 

C36,C37,C38,C39,C40,C41

 

 

 

 

 

 

 

C47,C49,C51,C53,C55,C63

 

 

 

 

 

 

 

C64,C65,C66,C68,C69

 

 

 

 

 

 

 

 

 

C3

1

 

S13490-121

 

1000/35

 

 

C4,C18

 

2

S13490-63

 

.47/50

 

 

C5

1

 

S13490-71

 

100/50

 

 

C6

1

 

T11577-52

 

.0047 or .005/1400

 

C7

1

 

S13490-72

 

50/50

 

 

 

C9

1

 

S13490-93

 

27/35

 

 

 

C12,C60

 

2

S13490-126

 

.018/50V

 

 

C15,C16,C32,C33,C42,C58

8

S16668-11

.1/50

 

 

C71,C72

 

 

 

 

 

 

 

 

 

 

C19,C25,C50

 

 

3

S13490-25

4.7/35

 

 

C21,C26,C28,C30,C54,C57

8

S13490-42

1.0/35

 

 

C62,C67

 

 

 

 

 

 

 

 

 

 

C22,C43,C44

 

 

3

S16668-9

 

150pF/100

 

 

C27,C48

 

2

S16668-8

 

330pF/100

 

 

C29

1

 

S13490-135

 

1.0/50V

 

 

C45

1

 

S16668-4

 

 

2700pF/50

 

 

C46,C52

 

2

S16668-13

 

10pF/100

 

 

C56

1

 

S13490-108

 

.15/100

 

 

C59

1

 

S16668-3

 

 

100pF/100

 

 

C61

1

 

S13490-19

 

1.8/20

 

 

C70

1

 

S16668-10

 

4700pF/50

 

 

D1,D2,D3,D4,D5,D6,D7,D8,D9 16 T12199-1

1N4004

 

D14,D19,D20,D22,D23,D24

 

 

 

 

 

 

 

D25

 

 

 

 

 

 

 

 

 

 

D10,D11,D12,D13

 

 

4

T12705-37

1N5822 SCHOTTKY BARRIER DIODE

 

D15,D16,D17,D18

 

 

4

T12705-34

1N4936

 

 

D21

1

 

T12705-23

 

1N5818

 

 

DZ1,DZ2

 

2

T12702-19

 

1N4742A

 

 

DZ3

1

 

T12702-52

 

1N4733A

 

 

J1

1

S18248-4

 

HEADER

 

 

J2

1

S18248-10

 

HEADER

 

 

Return to

Return to Section TOC

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3.75

 

LED1

 

 

 

R177

LED3

 

 

 

 

X9

N.F.

 

D7

D4

D3

TP1

.25

0

 

 

 

 

 

 

D5

 

 

 

 

 

 

 

 

 

 

 

 

C5

 

 

R79

C22

R78

 

 

 

 

 

R182

R97

R89

R81

R80

D23

 

 

C4

 

 

X16

 

 

C41

 

 

 

 

R84

R85

R179

R106

R180

R149

 

R183

R184

DZ3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C44

 

 

 

 

 

R98

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C45

 

 

 

 

 

 

 

 

R107

 

R104

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R48

 

 

 

 

 

 

 

 

 

D21

 

 

 

R23

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R88

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R77

 

 

R53

R55

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R188

 

 

 

 

 

 

R103

 

 

 

 

 

 

 

 

 

X1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C63

C65

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C7

 

 

 

 

 

 

C29

 

 

 

R189

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C17

 

 

 

 

 

C66

 

 

 

 

 

 

 

 

 

 

 

C64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R35

 

 

 

 

 

 

 

 

 

 

X2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C43

R70

R72

R46

 

R28

R40

R18

 

 

 

 

R73

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R190

R191

C53

R42

R96

 

 

 

 

 

C18

 

 

 

 

R64

 

 

 

 

 

R50

 

 

 

 

 

 

 

R109

 

 

C26

C28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R41

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D14

 

 

R60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R192

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R93

 

X6

 

 

 

 

 

 

C2

C68

R26

C8

C69

X4

 

 

 

R194

R193

 

 

 

 

 

R25

 

R16

R15

R126

R20

R22

R142

C57

R116

 

 

R49

C23

 

 

 

D8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R19

 

 

 

 

 

 

 

 

 

 

C9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R166

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R128

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R102

R87

R99

 

R29

R67

R58

R101

R100

R91

R37

R94

 

R34

C16

R30

R36

R27

R11

R12

R157

R156

R165

 

R167

 

 

 

 

 

 

 

 

 

C10

R83

R127

D16

D18

 

 

R115

C40

 

R159

R47

 

 

 

 

 

 

 

 

 

 

 

 

X3

 

 

 

 

 

 

 

 

 

 

TP2

D1

D2

Q1

D19

R170

Q2

 

D22

R171

Q3

D24

R172

R38

C35

R39

C47

R32

C37

R33

C36

 

R14

R13

R164

C13

R76

D25

R153

C39

R155

R154

R152

R21

R82

R124

R125

D15

D17

R123

R122

R121

R120

C56

R117

R118

R52

R54

R45

C21

D20

 

 

C6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1

 

 

 

 

 

 

 

 

 

 

 

 

J3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J4

 

 

 

 

 

 

 

 

 

 

 

 

 

J2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C54

 

 

C19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R114

R112

R195

C48

 

 

 

X12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R113

R139

R141

R135

C62

C61

R134

R129

R130

R131

C59

R65

C27

C58

R138

 

 

 

 

 

 

 

 

DZ2

 

 

 

R140

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C33

 

 

 

 

 

 

 

D13

 

D12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X14

 

 

 

 

 

 

 

 

 

 

 

C50

 

 

 

 

DZ1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D11

 

 

 

 

 

C42

 

 

 

 

 

 

 

 

D10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X13

 

 

 

 

 

 

 

 

R111

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R110

 

 

 

C32

 

 

 

 

R197

 

 

 

R196

 

 

 

 

 

J5

N.F.

3

J3

1

S18248-16

HEADER

 

J4

1

S18248-6

 

HEADER

 

J5

1

S18248-8

 

HEADER

 

LED1,LED2,LED3

 

 

3

T13657-2

 

RED LED

Q1,Q2,Q3

 

3

T12704-68

 

2N4401

 

Q4

1

T12704-80

HEXFET TRANS. (SS)

Q5

1

T12704-69

2N4403

 

R1

1

T13165-16

1.0 OHM, 5W RESISTOR

R2,R46,R187

 

3

S19400-2671

 

2.67K 1/4W

R3,R30,R32,R33,R34,R36,R37

9

S19400-2430

243 1/4W

R38,R39

 

 

 

 

 

 

 

 

 

R4

1

S19400-30R1

30.1 1/4W

R5

1

S19400-6190

619 1/4W

 

R6

1

S19400-8251

8.25K 1/4W

R7,R190,R191,R193,R194

 

5

S19400-3921

3.92K 1/4W

R8

1

S19400-2001

2.0K 1/4W

R9,R15,R50,R64,R88,R103

 

7

S19400-1001

1K 1/4W

R113

 

 

 

 

 

 

 

 

 

R10,R42,R96

 

3

S19400-5110

 

511 1/4W

R11,R12,R13,R14

 

 

4

S19400-3320

332 1/4W

R16,R21

 

2

S19400-3322

33.2K 1/4W

R17,R23,R26,R27,R61,R62

 

31

S19400-1002

10K 1/4W

R63,R68,R69,R81,R84,R93

 

 

 

 

 

 

 

R94,R104,R106,R108,R134

 

 

 

 

 

 

 

R138,R139,R154,R156,R158

 

 

 

 

 

 

 

R160,R164,R165,R166,R178

 

 

 

 

 

 

 

R179,R180,R181,R182

 

 

 

 

 

 

 

 

R18

1

S24073-1

10K,1/2W,TRIMMER

R19,R53,R55,R57,R85,R149

 

7

S19400-5111

5.11K 1/4W

R157

 

 

 

 

 

 

 

 

 

R20,R22,R110,R111,R124

 

12

S19400-10R0

10 1/4W

R125,R126,R127,R128,R142

 

 

 

 

 

 

 

R196,R197

 

 

 

 

 

 

 

 

 

R24,R35

 

2

S19400-2210

221 1/4W

R25,R47,R49,R80,R89,R153

 

7

S19400-1003

100K 1/4W

R183

 

 

 

 

 

 

 

 

 

R28,R112,R115,R116,R117

 

7

S19400-3321

3.32K 1/4W

R118,R133

 

 

 

 

 

 

 

 

 

R29,R91,R102

 

3

 

S19400-8250

 

825 1/4W

R31

1

S19400-1004

1M 1/4W

 

R40

1

S19400-6191

6.19K 1/4W

R41,R60,R135,R184

 

 

4

S19400-1502

15K 1/4W

R43,R44,R45,R130,R136,R137 9 S19400-4751 4.75K

R170,R171,R172

 

 

 

 

 

 

 

 

 

R48

1

S19400-2802

28.0K 1/4W

R52,R54,R56

 

3

S19400-1000

 

100 1/4W

R58,R76,R99,R100

 

 

4

S19400-3741

3.74K 1/4W

R65,R129

 

2

S19400-2211

2.21K 1/4W

Return to Section TOC

Return to Master TOC

0

.25

 

 

N.E.

9.00 ~.04

 

 

 

.85

3.55

8.15

8.75

CAPACITORS = MFD/VOLTS

INDUCTANCE = HENRIES

RESISTANCE = OHMS

THIS SHEET CONTAINS PROPRIETARY INFORMATION

UNLESS OTHERWISE SPECIFIED TOLERANCE

Ch'ge. Sht. No.

OWNED BY THE LINCOLN ELECTRIC CO.

AND IS

ON HOLE SIZES PER E2056

 

XA

ON 2 PLACE DECIMALS IS

.02

NOT TO BE REPRODUCED, DISCLOSED OR USED

3-19-99A

ON 3 PLACE DECIMALS IS

.002

WITHOUT THE EXPRESS PERMISSION OF

 

 

 

ON ALL ANGLES IS .5 OF A DEGREE

 

THE LINCOLN ELECTRIC CO.

 

MATERIAL TOLERANCE (" ")t TO AGREE

 

 

WITH PUBLISHED STANDARDS.

 

 

 

 

 

 

R67,R70,R87,R101

 

 

4

S19400-4752

47.5K 1/4W

 

 

 

 

 

 

 

 

 

R72,R195

 

2

S19400-1501

1.5K 1/4W

 

 

 

 

 

 

 

 

 

R73,R107

 

2

S19400-7681

7.68K 1/4W

 

 

 

 

 

 

 

 

 

R77,R82,R175,R177

 

 

4

S19400-1301

1.3K 1/4W

 

 

 

 

 

 

 

 

 

R78,R159

 

2

S19400-1211

1.21K 1/4W

 

 

 

 

 

 

 

 

 

R79,R83,R155,R167

 

 

4

S19400-2213

221K 1/4W

 

 

 

 

 

 

 

 

 

R97

1

S19400-8252

 

82.5K 1/4W

 

 

 

 

 

 

 

 

 

R98

1

S19400-2431

 

2.43K 1/4W

 

 

 

 

 

 

 

 

 

R109

1

 

S19400-6811

 

6.81K 1/4W

 

 

 

 

 

 

 

 

 

R114

1

 

S19400-5621

 

5.62K 1/4W

 

 

 

 

 

 

 

 

 

R120,R121,R122,R123

 

4

 

S19400-26R7

26.7 1/4W

 

 

 

 

 

 

 

 

 

R131

1

 

S19400-1212

 

12.1K 1/4W

 

 

 

 

 

 

 

 

 

R132

1

 

S16296-5

10K TRIMMER

 

 

 

 

 

 

 

 

 

R140,R141

 

2

S19400-2670

267 1/4W

 

 

 

 

 

 

 

 

 

R152

1

 

S19400-2002

 

20K 1/4W

 

 

 

 

 

 

 

 

 

R173

1

 

T10812-39

50K 1/2W TRIMMER

 

 

 

 

 

 

 

 

R174

1

 

S19400-6812

 

68.1K 1/4W

 

 

 

 

 

 

 

 

 

R176

1

 

S19400-4750

 

475 1/4W

 

 

 

 

 

 

 

 

 

R188

1

 

S19400-3922

 

39.2K 1/4W

 

 

 

 

 

 

 

 

 

R189,R192

 

2

T10812-68

 

1K 1/2W TRIMMER

 

 

 

 

 

 

 

 

TP1,TP2

 

2

T13640-15

 

15J

 

 

 

 

 

 

 

 

 

 

 

 

X1

1

S15128-16

IC,LT1014,LINEAR INTEGRATED CIRCUIT

 

 

 

X2

1

S15128-18

IC,33074A,OP-AMP,QUAD,HIGH-PERF

 

 

 

X3

1

S15128-4

IC,LM224,OP-AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THE LINCOLN ELECTRIC CO.

EQUIP.

INVERTER WELDERS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TYPE

 

 

 

 

 

 

 

 

 

 

CLEVELAND, OHIO U.S.A.

 

 

 

 

CONTROL P.C. BD AS'BLY (CANADIAN)

 

 

 

 

 

 

 

 

 

 

SCALE

FULL

 

SUBJECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHT.

 

 

 

 

 

 

 

DR

DRS

 

 

DATE

2-9-99

 

CHK

 

REF.

G3443-1

SUP'S'D'G

 

NO. G 3560-1B3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is pro- vided for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.

PRO-CUT 80

Page 102 Page 104
Image 103
Page 102 Page 104
Contents PRO-CUT California Proposition 65 Warnings SafetyElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Master Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications PRO-CUT InstallationGAS Requirements Technical Specifications Cont’d PRO-CUTStacking Safety PrecautionsSelect Suitable Location Lifting and MovingGround Connection Input Power Cord Connector InstallationInput Wire and Fuse Size Input ConnectionsReconnect Procedure Reconnect ProcedureReturn Return to Section TOC GAS Input ConnectionsTorch Connection Output ConnectionsTable of Contents Operation Section OPERATIONB-2 Safety InstructionsOperating Instructions General Description Operational Features and ControlsDesign Features Advantages OperationConsumable Life Cutting CapabilityLimitations Cutting Operation Controls and SettingsPilot ARC Considerations Safety Status Indicator User Responsibility Preheat Temperature forProcedure Recommendations Plasma CuttingSuggestions for Extra Utility from the PRO-CUT System Thick Sections of MetalARC Initiated ARC StartARC Voltage PRO-CUT Accessories Table of ContentsGeneral Options Accessories Table of Contents Maintenance Electric Shock can kill Input Filter Capacitor Discharge ProcedurePeriodic Maintenance Routine MaintenanceMaintenance Table of Contents Theory of Operation Section Theory of Operation Input Line VOLTAGE, Switch and Main TransformerPrecharge and Protection Power BoardFigure E.4 Main Transformer Main TransformerFigure E.5 Plasma Output Board and Torch Output Board and TorchFigure E.6 Control and Display Boards Control and Display BoardsOverload Protection Protection CircuitsThermal Protection Insulated Gate Bipolar Transistor Igbt Operation Minimum Output Pulse Width ModulationMaximum Output PRO-CUT Table of Contents Troubleshooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & RepairPC Board can be damaged by static electricity PC Board Troubleshooting ProceduresOutput Problems Troubleshooting GuideFunction Problems Air begins to flow when Make sure the air pressure is Cutting Problems LED Function Problems Troubleshooting Guide Materials Needed DescriptionFigure F.1 Location of Input Filter Capacitor Terminals Input Filter Capacitor Discharge ProcedureInput Rectifier Test Input Rectifier Test Test ProcedureTest Point Terminals Analog Meter X10 Range Primary Power Board Resistance Test Capacitor Voltage Test Capacitor Voltage Test Primary Power Board Resistance TestBoard Removal and Replacement Procedure Test Procedure Table F.3 Capacitor Voltages Output Power Board Resistance Test Figure F.4 Output Power Board Lead Locations Output Power Board Resistance TestOutput Power Board Removal and Replacement Procedure Torch Continuity and Solenoid Test Torch Continuity and Solenoid Test Test ProcedureAIR/GAS Solenoid Test Figure F.6 AIR Solenoid AIR/GAS Solenoid TestT2 Auxiliary Transformer Test T2 Auxiliary Transformer Test ProcedureYellow 1J21 Yellow 7J21 115VAC Test Point Expected VoltageTrigger Circuit Test Simplified Trigger Circuit Trigger Circuit TestPerform the Input Filter Capacitor Discharge Procedure PRO-CUT 80 Output Board LED Definitions Figure F.11 Control Board LEDs Control Board LED DefinitionsLOW Voltage Circuit Test T2 Auxiliary Transformer LOW Voltage Circuit TestFigure F.12, Low Voltage Circuit Diagram Test Point Figure F.15 Display Board Test Points Control Board Removal and Replacement Screws Control Board Removal and ReplacementFigure F.18 Control Board Removal from Mounting Pins Display Board Removal and Replacement Figure F.19 Case Front Screw Removal Display Board Removal & ReplacementFigure F.20 Display Board Removal Output Power Board Removal and Replacement Output Power Board Output Power Board Removal & ReplacementFigure F.22 Output Board Lead Locations Replacement Procedure This procedure takes approximately 40 minutes to perform Removal and Replacement Primary Power Board and Filter CapacitorRemoval Procedure Heatsink Mounting Screws Socket Head Capacitor Removal Capacitor Replacement and P.C. Board ReplacementInput Rectifier Bridge Removal and Replacement Figure F.25 Input Rectifier Lead Locations PRO-CUT Input Rectifier Bridge Removal and ReplacementTroubleshooting & Repair Input Idle Amps and Watts Retest After RepairPRO-CUT Electrical Diagrams Wiring Diagram PRO CUT 2ELECTRICAL Diagrams G-2Cutting Current Setpoint Local Schematic Control PC BoardPRO-CUT 80 Control PC Board Assembly Control Board Code 10574 onlyG3560-1 PC Board Assembly Control Board Code 10577 & 10578 onlySchematic Power PC Board 6ELECTRICAL DIAGRAMSG-6Power PC Board Assembly Power BoardElectrical Reqd Identification PC Board Assembly Output BoardFilename Schematic Display PC BoardLight BAR,LED,GREEN PC Board Assembly Display BoardSVM Error Reporting Form

SVM146-A specifications

Lincoln Electric's SVM146-A is a versatile and powerful multi-process welding machine designed for professionals in various industries. Known for its robustness and reliability, this machine excels in both performance and user-friendly features, making it a popular choice among welders.

One of the standout features of the SVM146-A is its multi-process capability, allowing users to perform MIG, TIG, and stick welding using a single unit. This versatility is enhanced by Lincoln Electric's innovative Auto-Set technology, which automatically adjusts the machine's settings based on the selected process and materials being welded. This feature significantly reduces the time spent on setup and helps ensure optimal weld quality, even for less experienced operators.

The SVM146-A is powered by a reliable inverter design, which provides greater efficiency compared to traditional transformer-based machines. This compact and lightweight design allows for easy transport, making it ideal for job sites or remote locations. The inverter technology also contributes to enhanced arc stability and better overall performance, providing high-quality welds in less time.

Another key characteristic of this welding machine is its robust construction, designed to withstand the rigors of heavy industrial use. The SVM146-A features a durable chassis and control panel, ensuring longevity and reliability under challenging working conditions. Additionally, its intuitive interface allows users to easily navigate settings and make adjustments as needed.

Safety is a paramount concern in welding applications, and the SVM146-A is equipped with several safety features, including over-temperature and over-voltage protection, ensuring that the machine operates safely even in demanding environments. It also features a start inhibit system, preventing the machine from being started under unsafe conditions.

The SVM146-A is compatible with a variety of welding accessories and consumables, enhancing its flexibility and usability across different applications. Whether it’s automotive repair, heavy fabrication, or maintenance work, this welding machine adapts to various tasks, making it a valuable addition to any professional's toolkit.

In conclusion, Lincoln Electric's SVM146-A stands out as a multi-process welding machine that combines advanced technology, robust design, and user-friendly features. It is engineered for performance and reliability, making it an excellent investment for professionals dedicated to achieving high-quality welds.
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