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Electrical diagrams, G-19, V300 pro – Lincoln Electric INVERTEC V300-PRO SVM105-B User Manual

Page 111: Crisp (cc) fcaw (cv), Gmaw (cv) soft (cc)

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ELECTRICAL DIAGRAMS

G-19

V300 PRO

SCHEMATIC - CONTROL PC BOARD (G2525)

G-19

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.

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CANADA

COMPONENTS OR

RESISTORS = Ohms (1/4W UNLESS OTHERWISE SPECIFIED)

(U N L E SS OTHERWI S E SPECI FI ED)

5

J4

6

10

J1

DIODES = 1A, 400V (UNLESS OTHERWISE SPECIFIED)

2525

G

INVERTEC V300

EARTH GROUND CONNECTION

POWER SUPPLY SOURCE POINT

ELECTRI C AL SYMBOLS PER E-1537

7

VOLTAGE NET

LABELS

COMMON CONNECTION

test points

FRAME CONNECTION

14

SUPPLY

CONTROL P.C. BOARD SCHEMATIC

J5

33.2K

R92

X7

13

12

+ ARC

SHORT

SHORTING

DETECTOR

NOTES :

MAY NOT SHOW THE EXACT

WITHOUT

(more notes)

N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE

GENERAL INFORMATION

INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM

CI RCUI TRY OF C ONTROLS HAVI NG A C OMMON CODE N UMBER.

AFFECTI N G THE

B

VOLTAGE

A

SETTING

X1

14

13

12

26.7K

R140

22.1K

R122

X10

3

4

5

X10

98

6

CC

C

TO

B

SET

GMAW

825

R96

3.32K

R33

4.75K

R79

26.7K

R126

68.1K

R131

10K

R38

221K

R72

10K

R51

22.1K

R127

47.5K

R116

43.2K

R56

100K

R34

56.2K

R130

X11

1

2

3

100K

R118

X10

1

2

13

D20

OCV

301

R120

B

A

FC

10K

R125

A

CURRENT

SETTING

2.67K

R119

4.75K

R121

X11

7

6

5

332K

R117

10K

R139

D33

2.7
50V

C68

475K

R129

1W

5.1V

DZ14

100K

R123

Vref

100K

R124

10K

R109

X8

13

2

1

J5

13

D36

+15V

1N914

D16

475K

R3

4.75K

R99

50V

.022

C51

D34

X8

4

3

5

X7

1

2

D35

100K

R48

18.2K

R69

1W

5.1V

DZ4

50V

.022

C24

SCALING

SOFT

D

SOFT

CONTROL

CURRENT

V

I

AMPLIFIER

A

SOFT

C

A

B

SHORT

B

10K

R143

o

t

56

R103

J3

1

332K

R16

47. 5K

R84

47.5K

R71

332K

R19

X1

1

2

3

10K

R4

10.0

R61

50V

.33

C31

10.0

R147

50V

2700p

C34

10.0

R148

475

R65

J3

2

475

R77

OCV

X7

56

50V

C37

50V

.022

C60

50V

.022

C45

TEST PT D

Vref

SHUNT

OPEN

B

SHUNT

-

AMPLIFIER

2700p

V

D

+

I

DETECTOR

CIRCUIT

V I

B

X4

14

12

13

Vref

Vref

+ ARC

GMAW

I

V

AMPLIFIER

CONTROL

VOLTAGE

A

D

D

C

BOARD

OCV

OCV

OVERCURRENT

FOLDBACK

X9

2

1

13

D27

100K

R114

X1

7

5

6

.022
50 V

C66

22.1K

R112

332K

R113

D5

100K

R40

X3

7

5

6

D25

475K

R10

4.75K

R90

50V

.022

C36

332K

R41

1.0
35V

C28

33.2K

R55

221K

R86

10K

R87

50V

0.1

C41

X6

6

8

9

A

D

47.5K

R47

681K

R49

.022

50 V

C1

X7

11

10

C

100K

R1 3

681K

R108

X3

1

3

2

D29

J1

1

CRISP (CC)

FCAW (CV)

CRISP

TIG

CRISP

B

Vr ef

GMAW (CV)

SOFT (CC)

DP1

METER

TO

D22

PRESET

1.00K

R63

50V

2.7

C43

500mW

3V

DZ8

33.2K

R37

D52

X5

6

9

8

X5

10

11

12

ARC FORCE/PINCH

CW

D8

D40

J4

9

J4

7

+ ARC

X9

5

4

3

22.1K

R149

22.1K

R75

D47

1W

5.1V

DZ13

METER

35V

4.7

C65

J5

7

D26

150K

R66

50V

330p

C22

D10

500mW

3V

DZ3

1N914

D19

X6

10

11

12

J5

8

D42

221K

R39

X4

8

10

9

X7

34

475K

R42

J5

12

332K

R28

100K

R50

100K

R81

D45

4.75K

R135

1/2W

1

R6

J2

1

D21

392K

R29

50V

.022

C16

TEST_PT_E

+15V

TRIG

INTERFACE

TRI GGER

C

OCV

+ARC

TRANS.

CURRENT

200V

.33

C5

J2

3

1/2W

1

R5

1N4936

D3

1N4936

D7

50V

.022

C3

X3

8

9

10

50V

.022

C15

AMPS

OCV

C

VOLTS

D

V I

DPC

A

ACTUAL

B

AMPS

+ ARC

TIG

VOLTS

50V

.022

C54

50V

.022

C35

J4

8

1W

5.1V

DZ9

35V

4.7

C48

22.1K

R98

150K

R91

50V

.022

C67

35V

4.7

C39

301

R82

2.67K

R73

J4

1

4.75K

R97

150K

R85

50V

.022

C50

X8

12

11

10

10K

CW

R95

X8

6

8

9

33.2K

R136

X9

8

9

6

C74

26.7K

R70

+

t

60V

.13

R17

D51

10K

R2

X3

14

12

13

50V

.022

C27

47.5K

R9

100V

150p

C4

47.5K

R30

50V

.022

C6

J1

5

10K

R8

D13

J1

4

D4

1W

43V

DZ12

J2

4

TRIGGER

2W

680

R18

10K

R20

J4

12

D11

+

t

56

R15

1W

43V

DZ11

1W

390

R35

J4

11

CIRCUIT

D12

CNY1 7 - 3

OCI1

4

2

1

6

5

22.1K

R12

500mW

3V

DZ1

50V

20

C11

267

R11

47.5K

R7

2.67K

R144

+15V

B

BOARD

D14

22.1K

R133

100

20V

C72

X10

10

11

12

26.7K

R137

47.5K

R138

26.7K

R132

10K

R68

681K

R80

X4

7

5

6

10K

R43

150p
100V

C23

150K

R36

50V

.022

C32

4.75K

R142

100K

R94

50V

.022

C30

X6

1

2

13

OCV

1W

6. 2V

DZ5

TRIG

A

ARC FORCE

OCV

OCV

D38

D46

D9

39
20V

C71

Vref

50V

0.1

C59

D48

10K

R64

50V

.022

C70

+15V

10K

R46

HEXTRGR

X7

14

7

50V

.022

C44

LM 224

X1

4

11

50V

.022

C49

50V

.022

C17

X11

8

10

9

4066B

X8

14

7

LT1014

X4

4

11

50V

.022

C53

4066B

X9

14

7

50V

.022

C47

50V

.022

C58

LM 224

X3

4

11

4066B

X5

14

7

50V

.022

C57

J1

3

X11

14

13

12

D

50V

.022

C69

4066B

X10

14

7

4066B

X6

14

7

+15V

Vref

TEST_PT_B

C

UNUSED

LM224

X11

4

11

50V

150p

C75

J5

10

5K

CW

R14

100

R44

20V

1.8

C33

10K

R151

+15V

+15V

+15V

METER

+5V

BOARD

TO DRIVER

TO

CURRENT

FEEDBACK

D

CONTROL

SELECT

BOARD

PROT E C T I ON

50V

.022

C52

X9

11

10

12

26.7K

R22

50V

330p

C13

J1

8

40V

600m A

Q2

33.2K

R53

33.2K

R27

26.7

R155

22.1K

R25

50V

.022

C14

56. 2K

R24

4.75K

R93

26.7

R154

10K

R45

J4

6

35V

4.7

C19

50V

.022

C20

J1

7

50V

.022

C56

J1

2

50V

.018

C12

2.67K

R21

10K

R23

2.67K

R102

1W

5.1V

DZ10

f

1

.022
50 V

C2

J3

10K

R57

82.5K

R59

1

2

33.2K

R58

J2

1

2

1

d

CAPACITORS =

8

4

3

1

6

TEST_PT_E

Vref

5

10

D

1W

10V

DZ2

FCAW

50V

.0047

C18

X1

10

8

9

10K

R32

X5

4

3

5

1N914

D24

50V

.022

C64

D

4.75K

R88

OCV

Receptacle

6 Pi n
Re m o t e

B

F

C

F

N

I

J

K

4

5

SWITCH

3

MODE

1

2

TIG

are common

115VAC

115VAC, 42VAC

42VAC

to 4 P 2

Control

H

14 Pin

A

D

L

E

C

G

M

B

A

Remote

Control

R ecept acl e

D

E

50V

0.1

C73

J4

3

D17

D15

100

R101

J4

10

J5

6

J4

4

J5

11

D50

D37

J5

3

50V

.022

C61

50V

.022

C8

J2

2

D30

D39

o

t

56

R100

J5

4

50V

.1

C46

o

t

56

R104

Vref

+15V

D41

J5

14

D31

CONTROL

10K

R141

X4

3

1

2

LOCAL

10K

681K

R67

I

REMOTE

50V

.022

C38

221K

R52

Vref

C

A

100K

R105

PINCH

CRISP

V

475K

R26

+15V

CONTROL

10K

MAX

CW

OUTPUT

20V

1.8

C10

Vref

1N4936

D1

1N4936

D2

16.2K

R54

PRIMARY

X5

2

1

13

X6

4

3

5

1N5818

D23

CAD [50,50] G1916.HSD

J4

2

J5

2

TRIGGER

PROTECTI ON

TO

301

R128

OCV

REMOTE

24VAC F R O M

D28

XFRM

OUT P UT
TERMINAL

HOT

to TEMP.LED

AUSTRALIA

D18

1W

5.1V

DZ6

4.75K

R31

50V

0.1

C26

50V

.022

C63

CLIM

Vref

SYNC

OUT A

GND

Vc

OUT B

Vin

SHUT

RT

CT

COMP

V-

V+

I+

I-

SG3847

X2

8

2

1

3

4

5

6

7

16

14

13

12

11

10

9

15

X7

9

8

681K

R107

24.3K

R74

26.7

R152

20V

1.8

C29

26.7

R153

J4

5

28.0K

R146

150K

R110

100K

R60

0.33
50 V

C40

1W

10V

DZ7

C

+15V

C

8.25K

R62

40V

600m A

Q1

J5

5

PWM

CONTROL

BOARD

1 PHASE DET.

TO

+ ARC

PROTECTION

POWER

HOLD DOWN

J1

6

A

Cut out for Std.

-Pro Machines

267K

R83

35V

4.7

C42

22.1K

R111

1.0
35V

C62

33.2K

R115

E

100V

330p

C25

50V

.022

C55

6-25-93A