Wiring diagrams, Di gi ta l pow er supply board fe eder bo ard, Spi spool gun board – Lincoln Electric POWER MIG IM736-D User Manual

Page 40: Msp iii b oa rd, 30 0a chopper board, P. c. board connect io n det ai l

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F-2

F-2

WIRING DIAGRAMS

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

ram for a particular code is pasted inside

the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. G

ive the equipment code number..

ALL

C

A

S

E

F

R

ONT

C

OMP

O

N

E

NTS SH

O

W

N

VIEW

E

D

F

R

OM

R

E

A

R

.

PA

NEL RECEP

TA

CLE C

AVIT

Y NUM

BE

RI

NG SE

QUEN

CE

(V

IEWED FROM L

EA

D SIDE OF RECE

PT

AC

LE

)

9 P

IN

J5

0

1

2

3 65

4

98

7

3

2

1 456 789

9 P

IN

P5

0

LE

AD

COLOR

CO

DE

:

B=B

LACK

O

R G

RAY

R=

RE

D O

R

PI

NK

W

=W

HITE

G=

GR

EE

N (W

/Y

ELLO

W

STRI

PE

)

W

IRI

NG DI

AGRAM POWER MI

G 3

00 (FOR CODES 10952 ONLY)

6

12

CO

NN

EC

TOR C

AV

ITY

NUM

BE

RI

NG

SE

QU

EN

CE

(VIE

W

ED FROM

COM

PO

NE

NT S

ID

E OF BO

ARD)

1

7

4

8

1

5

3

6

1

4

2
1

4
3

6

5

10

1

8

16

1

9

2

1

6

7

14

1

J4

1

2

3

4

5

6

7

8

9

10

11

12

J3

1

2

3

4

5

6

7

8

9

10

J7

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

J9

1

2

3

4

5

6

J8

1

2

3

4

5

6

7

8

J2

1
2
3
4

J10

B

1

2

J11

1

2

3

4

1

2

J6

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

J5

1

2

3

4

J1

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16

J10

A

C O N T R O L

B O A R D

J81

1

2

3

4

J82

1

2

3

4

J83

1

2

3

4

5

6

J86

1

2

3

4

5

6

7

8

9

10

J87

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

J84

1

2

3

4

5

6

7

8

11

01

11

02 11

03

11

04

11

02

11

01

J41

1

2

3

4

J43

1

2

3

4

5

6

7

8

9

10

11

12

J42

1

2

3

4

5

6

DI

GI

TA

L POW

ER SUPPLY BOARD

FE

EDER BO

ARD

84

4:B

84

7:U

84

1:R

TACH

83

2

83

1

83

4

83

3

83

6

83

5

GA

S

SOL

ENOI

D

83

3

83

4

80

6

80

4

80

2

80

1

71

6

71

5

61

5

60

4

60

7

60

4

41

2

41

1

41

0

40

8

40

7

40

6

40

5

40

3

40

2

40

1

WI

RE

DR

IV

E

MOTOR

GE

AR

BO

X

TO + STUD

90

1

90

3

50

2

-

+

BRIDGE

DIODE

FAN

MOTOR

DI

SP

LA

Y

P.

C.

B

OAR

D

50w

atts

500

ohm

s

2520

2530

47

1 47

2

41

2 41

1

40

8 40

7

40

3 40

6

40

2

40

5

41

0

40

1

90

1

90

3

71

5

71

6

+

-

LEM

1

2

3

4

80

2 80

4

80

1 80

6

+S

TUD

-STUD

50

2

50

3A

FAN RE

LA

Y

~

FAN

L1

CH

OK

E

RE

CO

NN

EC

T P

AN

EL

LIN

E

SW

ITCH

H1

H2

H5

H3

H4

11

5V

X3

X4

X1

X2

H1

H4

L2

L1

H1

W

B

G

L1

L2

H5

H2

H3

H4

1

2

3

4

5

6

J88

MS

P II

I

BO

AR

D

DI

SP

LA

Y

BO

AR

D

61

1

50

3

E

F

A

B

C

D

R2

CO

NTROL

RE

CTIFIER

TP6

90

3B

90

1B

TP5

TP4

R1

50w

atts

500

ohm

s

J32

1

2

3

4

5

6

7

8

9

10

1

2

3

4

32

44

32

43

1

2

3

4

32

34

32

33

1

2

3

4

5

6

75

76

32

14

2

4

SPI

SPOOL

GUN BOARD

32

44

32

43

J3

4

2

3

4

5

6

7

8

9

10

FL

EX

J3

41

1

2

3

4

5

6

7

8

J321

7

8

J323

J324

32

18

77

E

F

A

B

C

D

G

GND 4A 4 2

76A

4A 2A 75A 32

18

32

14

77A

2A 75 75A 76 76A 77 77A

FOO

T

AM

PTROL

AM

PH

EN

OL

SP

OO

L G

UN

/

PU

SH

-PULL

AM

PH

EN

OL

(VIE

W

ED

FROM REA

R)

M

SP

III B

OA

RD

34

14

34

11

34

11A

34

15

SW

ITCH

SE

T

34

16

34

11A

34

17

SW

ITCH

SE

LE

CT

34

11

34

14

34

15

34

16

34

17

X5

X6

-

+

C6

+

X6

X5

680

0/

75

C5

+

2

400/

10

0

615

607

B8
B7

C1

C2

C3

C4

B1

B3

B2

B4

B6

B5

30

0A

CHOPPER BOARD

(SHO

W

N

CO

NN

EC

TED

FOR 23

0V)

32

34

47

2

47

1

32

33

47

1B

47

2B

SH

IE

LD

ED

CA

BL

E

L5

L4

L8

L3

83

1:B

83

2:W

L2

L7

L6

11

04

11

03

50

3

50

3A

B6

B2

B5

B1

B5

L2

THRU L9

AR

E RF C

HO

KE

S

43

7

43

1

J9

9

1

2

3

4

43

7

43

1

1

2

3

4

5

6

7

20

25

3

25

4

25

1

25

4

25

3

25

1

SH

IE

LD

ED

CAB

LE

S3 R

S232

CO

NN

EC

TOR

SH

IE

LD

ED

CA

BL

E

P.

C.

BOARD CONNECT

IO

N DET

AI

L

SP

OO

L GU

N

BO

AR

D

FEE

DE

R

BO

AR

D

J3

7

FL

EX

CO

NTROL BO

AR

D

FL

EX

C

IR

CU

IT

SH

IE

LD

ED

CA

BL

E

SH

IE

LD

ED

CA

BL

E

H1

H4

H1

L9

PA

NE

L EN

CO

DE

RS

VOLTS/TRIM

WF

S/

AM

PS

85

8

85

7 85

9

85

10

1
2
3

1
2
3

16
15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

J85

SP

OO

L G

UN

/

PU

SH

-P

UL

L

SW

ITCH

85

12

85

5

85

2

85

1

4
3
2
1

GU

N

TRIGG

ER

85

11

85

5A

A

G4068

POWER MIG 300

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