Lincoln Electric SVM146-A service manual PC Board Assembly Output Board, Reqd Identification

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G-9

ELECTRICAL DIAGRAMS

G-9

PC BOARD ASSEMBLY - OUTPUT BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ITEM

 

 

REQ'D

PART NO

IDENTIFICATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C1,C3,C11,C15,C34,C35

)

6

)

S20500-5

)

.0015/2000V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C2

)

 

1

)

S13490-42

)

1.0/35

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C4,C26,C27,C30,C36,C37

)

6

)

T11577-58

)

.0047/3000V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C5,C6,C7,C25

)

 

4

)

S20500-1

)

.1/1000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C8,C12,C17

)

 

3

)

S16668-7

)

820pF/50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C9,C10,C21

)

 

3

)

T11577-52

)

.0047 or .005/1400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C13

)

 

1

)

S13490-72

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C14

)

 

1

)

S13490-71

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C16

)

 

1

)

S13490-93

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C18

)

 

1

)

S13490-121

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C20,C22,C23,C24,C29,C38

)

6

)

S16668-5

)

.022/50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C28

)

 

1

)

S16668-11

)

.1/50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C31,C32

)

 

2

)

T11577-46

)

.05/600V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C33

)

 

1

)

T11577-57

)

0.1/400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CR1

)

 

1

)

S13929-10

)

RELAY,DPDT,24VDC

 

 

X4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D24

 

 

 

 

 

D18

 

 

 

 

 

G3439-1

OUTPUT

D10,D11,D13,D14,D15,D16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D17,D19,D20,D21,D23,D25

 

 

 

 

 

 

 

 

 

B12

 

R4

 

 

R3

 

B11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D26,D31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X1

 

 

 

 

 

 

 

 

 

 

 

 

 

Q7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R60

R29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q8

D12,D22

)

 

2

)

T12705-34

)

1N4936

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DZ11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D27

D28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R61

 

 

 

 

 

 

DZ3

 

 

D18,D24

)

 

2

)

T12705-50

)

DIODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DZ12

 

 

 

 

 

 

 

 

 

D27,D28,D29,D30

 

)

4

)

T12705-46

)

1000V/3AMP DIODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R34

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X2

 

 

 

 

 

 

 

C22

C23

 

 

 

 

 

 

 

 

 

 

R59

 

 

 

 

 

 

 

 

 

DZ1,DZ2,DZ9,DZ10

 

)

4

)

T12702-29

)

1N4744A

 

 

 

 

 

 

 

 

 

 

 

 

R25

R21

 

C19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C15

C35

 

C34

C3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DZ3

)

 

1

)

T12702-23

)

1N5352B

 

 

 

 

 

A1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D21

DZ7,DZ8,DZ11,DZ12

 

)

4

)

T12702-19

)

1N4742A

 

 

 

 

 

 

 

 

 

 

 

R30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J30

)

 

1

)

S20351-6

)

HEADER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OCI1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J31

)

 

1

)

S20351-10

)

RT. ANGLE HEADER

R66

R51

R53

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C31

 

 

 

 

 

C32

 

R35

 

 

C13

C14

D20

J32

)

 

1

)

S20351-14

)

HEADER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J33

)

 

1

)

S20351-4

)

HEADER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D9

 

 

 

 

Q2

 

 

 

 

 

 

 

Q4

 

 

 

 

 

 

 

 

 

 

J34

)

 

1

)

S20351-8

)

HEADER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1

)

 

1

)

T12218-2

)

5.6mH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED1,LED2

)

 

2

)

T13657-2

)

RED LED

 

 

 

 

B21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED3

 

 

 

 

 

 

 

 

 

 

D19

LED3,LED4,LED5,LED6

)

4

)

T13657-3

)

GREEN LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D25

 

 

 

 

 

 

 

D26

 

 

 

 

 

 

 

 

OCI1

)

 

1

)

S15000-26

)

OPTOCOUPLER,LOGIC-OUT

 

 

 

 

 

R18

 

R19

 

 

 

 

 

 

 

 

 

 

 

C10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R23

 

 

 

R15

R17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OCI2,OCI3,OCI4

)

 

3

)

S15000-10

)

OPTO ISOLATOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R11

 

 

 

 

R24

R58

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED5

 

 

 

 

 

 

 

 

 

 

 

Q2,Q4

)

 

2

)

T12704-80

)

HEXFET TRANS. (SS)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D22

 

 

 

 

 

 

 

 

 

 

 

 

R28

 

 

 

 

 

 

 

 

 

Q1,Q3,Q7,Q8

)

 

4

)

T12704-73

)

IC PKG MOSFET (SS)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D23

 

Q5

)

 

1

)

T12704-68

)

2N4401

 

 

 

 

 

R5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED1

 

 

 

 

 

 

 

 

 

 

 

 

C33

 

 

 

 

 

 

C9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q6

)

 

1

)

T12704-86

)

TRANSISTOR,IGBT,1200V,45A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DZ8

 

 

 

DZ7

 

 

R56R54

C29R20

R10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R8

R12R6

Q3

 

Q1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C5

C6

C7

 

C25

 

R63

R62

R16

R14

 

R7

D6

D8

 

R57

R13

C17

 

 

 

 

 

 

 

R1,R38

)

 

2

)

T12300-47

)

15 W 200 OHM RESISTOR

 

 

 

 

 

 

 

 

 

 

C12

C20

R31

R27

C24

R32

R26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q5

 

 

 

C18

 

 

 

 

 

R22

R2

)

 

1

)

S19400-5110

)

511 1/4W

 

 

 

 

LED6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R3,R4

)

 

2

)

T12300-66

)

15W / 56 OHM PWR RESISTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D16

 

 

 

 

 

R55

 

 

 

 

 

 

 

 

 

 

D31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D17

R5

)

 

1

)

T14648-2

)

25 5W

 

 

 

 

R2

Q6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED4

 

 

 

 

 

 

 

 

D15

R6,R8,R28,R58

)

 

4

)

S19400-1501

)

1.5K 1/4W

R65

R50

R52

 

DZ9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R36

 

 

 

 

 

 

 

 

 

 

 

 

R33

D7

C28

L1

 

 

 

 

 

 

 

 

 

 

 

 

D5

D3

D2

D4

C27

TP5

 

TP4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED2

 

 

 

 

 

 

D14

R9,R13,R27

)

 

3

)

S19400-2213

)

221K 1/4W

 

 

 

 

DZ10

 

 

 

A2

 

 

 

 

 

 

CR1

 

 

 

 

 

 

 

 

 

OCI2

 

 

OCI3

 

 

OCI4

 

 

 

 

 

 

 

 

 

R10,R11,R24,R29,R62

)

5

)

S19400-1211

)

1.21K 1/4W

 

 

 

 

DZ2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R12,R26

)

 

2

)

S19400-3921

)

3.92K 1/4W

 

 

 

 

DZ1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D10

 

 

 

D1

 

R9

 

 

 

 

 

 

 

 

 

R14,R15,R16,R17,R33

)

5

)

S18380-3

)

THERMISTOR,PTC,0.08-0.19 OHMS,1.85A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C8

 

 

 

 

 

 

 

 

 

R18,R19

)

 

2

)

S23995-1

)

SHUNT RESISTOR,.001 OHM,4W

 

 

 

 

 

 

 

 

 

 

TP2

TP1

TP3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C38

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C26

 

C30

 

 

 

R20,R54

)

 

2

)

S19400-2001

)

2.0K 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C37

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R21

)

 

1

)

T14649-11

)

160/10W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R38

 

 

 

 

R1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R22

)

 

1

)

S19400-3321

)

3.32K 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R23,R25

)

 

2

)

T14650-4

)

15W.,2500 OHM RESISTOR

 

 

 

 

 

B1

 

 

 

 

C36

 

J31

 

J34

 

 

 

 

 

 

 

 

 

 

J32

 

 

 

 

 

 

 

 

 

 

 

 

 

J30

 

R30

)

 

1

)

S19400-4751

)

4.75K

 

 

 

 

 

 

B2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D30

C11

X20

 

C1

D29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R31,R32

)

 

2

)

S19400-4750

)

475 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R34,R61

)

 

2

)

S19400-3741

)

3.74K 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R35

)

 

1

)

T14649-4

)

100 10W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R50,R51,R52,R53,R65,R66

)

6

)

T14650-1

)

1500 OHMS, 15 W. RESISTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R55,R60

)

 

2

)

S19400-1001

)

1K 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R56

)

 

1

)

S19400-8250

)

825 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R57

)

 

1

)

S19400-8251

)

8.25K 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R59

)

 

1

)

S19400-5111

)

5.11K 1/4W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R63

)

 

1

)

T14650-2

)

80 15W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R64

)

 

1

)

S18380-9

)

THERMISTOR,PTC,10 OHMS,400MA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP1,TP2,TP3

)

 

3

)

T13640-20

)

480V/180J MOV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP4

)

 

1

)

T13640-9

)

20J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP5

)

 

1

)

T13640-15

)

15J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X1

)

 

1

)

S15018-19

)

IC,DRIVER,FET,6A

CAPACITORS = MFD/VOLTS

RESISTORS = OHMS

3-19-99

G 3439-1

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 106 Page 108
Image 107
Page 106 Page 108
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 Operating Instructions Safety InstructionsOPERATIONB-2 General Description Operational Features and ControlsDesign Features Advantages OperationLimitations Cutting CapabilityConsumable Life Pilot ARC Considerations Controls and SettingsCutting Operation Safety Status Indicator User Responsibility Preheat Temperature forProcedure Recommendations Plasma CuttingSuggestions for Extra Utility from the PRO-CUT System Thick Sections of MetalARC Voltage ARC StartARC Initiated 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 BoardsThermal Protection Protection CircuitsOverload Protection Insulated Gate Bipolar Transistor Igbt Operation Maximum Output Pulse Width ModulationMinimum 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 Procedure Primary Power Board and Filter CapacitorRemoval and Replacement 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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