Lincoln Electric SVM151-A service manual Schematic Chopper Printed Circuit Board, 19303 M

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G-17	ELECTRICAL DIAGRAMS	G-17
SCHEMATIC - CHOPPER PRINTED CIRCUIT BOARD

19303 M

+15

R3

562

R10

1

8

D7

10.0

VS

VS

R11

X2

1.0A

2

IN

7

30V

OUT

10.0

2

5

8

11

14

3

NC

OUT

6

R13

3

C1

C2

C3

C4

C5

4

5

G1

GND

GND

C3

DZ1

10.0

6

G2

A1

MIC4451BN

0.1

5.1V

R15

9

G3

50V

1W

D8

DZ3

12

M16100-39

1.0A

10.0

G4

16V

4.75K

30V

R6

15

1W

R17

G5 E1

E2

E3

E4

E5

com

10.0

1

4

7

10

13

B7

to heatsink

com

R2

1.21K

R4

1.00K

R7

PWM

8

7

6

475

2

INPUT

+15

D6

OCI1

NC

NC

D5

3

1

4

5

B3

150V

8A

com

Q1

22 to 32 Vac

D1

D2

R14

4.75K

R1

R16

+15

B1

+ t

C5

4.75K

C2

C1

.24

R18

500

47

0.1

DZ5

50V

4.75K

35V

50V

16V

B2

R20

1W

D4

D3

4.75K

1

8

C6

C7

VS

VS

C4

X2

1.0

0.1

0.1

com

63V

50V

MIC4451BN

50V

GND

GND

4

5

GENERAL INFORMATION

LAST NO. USED

com

ELECTRICAL SYMBOLS PER E1537

R-

20

X- 2

CAPACITORS =

MFD ( .022/50V

UNLESS OTHERWISE SPECIFIED)

C-

7

OCI- 1

LABELS

D-

8

DZ- 5

NOTES :

RESISTORS = Ohms (

1/4W

UNLESS OTHERWISE SPECIFIED)

DIODES =

1A, 400V

(UNLESS OTHERWISE SPECIFIED)

SUPPLY

VOLTAGE NET

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

POWER SUPPLY SOURCE POINT

WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY

NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE

COMMON CONNECTION

NUMBER.

FRAME CONNECTION

THIS SHEET CONTAINS PROPRIETARY INFORMATION OWNED BY

THE LINCOLN ELECTRIC CO.

FILENAME:

M19303_1DA

EARTH GROUND CONNECTION

AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED WITHOUT THE EXPRESS PERMISSION OF

THE LINCOLN ELECTRIC CO.

UNLESS OTHERWISE SPECIFIED TOLERANCE

Ch'ge.Sht.No.

THE LINCOLN ELECTRIC CO.

EQUIP.

CHOPPER,200 AMP

ON HOLES SIZES PER E-2056

XC-RW

TYPE

ON 2 PLACE DECIMALS IS + .O2

SCHEMATIC

ON 3 PLACE DECIMALS IS + .OO2

9-17-99

CLEVELAND, OHIO U.S.A.

SUBJECT

ON ALL ANGLES IS + .5 OF A DEGREE

MATERIAL TOLERANCE ("t") TO AGREE

SCALE

NONE

SHT.

M 19303

WITH PUBLISHED STANDARDS

IEB

11-11-97

CHK.

SUP'S'D'G.

DR.

DATE

NO.

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

MULTI-WELD 350