Lincoln Electric SVM118-A service manual Protection PC Board M16062 Schematic

SQUARE WAVE TIG 355

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G-6 ELECTRICAL DIAGRAMS G-6

Protection PC Board (M16062) Schematic

16115 M

L4

J23

J22

1

5

.39mH

C4

.0047

3000V

L5

J23

J22

2

4

.39mH

C5

.0047

3000V

L1

J23

J22

3

1

.39mH

C1

.0047

3000V

L2

J23

J22

4

2

.39mH

C2

.0047

3000V

L6

J23

J22

5

6

.39mH

C6

.0047

3000V

L3

J23

J22

7

3

.39mH

J23

C3

.0047

8

3000V

GENERAL INFORMATION

LAST NO. USED

ELECTRICAL SYMBOLS PER E1537

R-

_

CAPACITORS =

MFD

( .022/50V

UNLESS OTHERWISE SPECIFIED)

LABELS

C-

_

RESISTORS = Ohms (

1/4W UNLESS OTHERWISE SPECIFIED)

D-

_

DIODES =

1A, 400V

(UNLESS OTHERWISE SPECIFIED)

SUPPLY

VOLTAGE NET

NOTES :

POWER SUPPLY SOURCE POINT

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

COMMON CONNECTION

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

FRAME CONNECTION

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

EARTH GROUND CONNECTION

NUMBER.

THIS SHEET CONTAINS PROPRIETARY INFORMATION

UNLESS OTHERWISE SPECIFIED TOLERANCE

THE LINCOLN ELECTRIC CO.

EQUIP.

SQARE WAVE TIG 350

OWNED BY

THE LINCOLN ELECTRIC CO.

AND IS

ON HOLE SIZES PER E2056

5-29-90SPA

TYPE

NOT TO BE REPRODUCED, DISCLOSED OR USED

ON 2 PLACE DECIMALS IS

.02

CLEVELAND, OHIO U.S.A.

PROTECTION P.C. BOARD SCHEMATIC

ON 3 PLACE DECIMALS IS

.002

SUBJECT

WITHOUT THE EXPRESS PERMISSION OF

ON ALL ANGLES IS .5 OF A DEGREE

SCALE

NONE

SHT.

M 16115

MATERIAL TOLERANCE (" ")t TO AGREE

THE LINCOLN ELECTRIC CO.

DR MK/DRS

DATE 1-12-90

GM/BS

REF.

WITH PUBLISHED STANDARDS.

CHK

SUP'S'D'G

NO.

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 provided 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.