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G-5
ELECTRICAL DIAGRAMS
SQUARE WAVE TIG 355
Feed Through PC Board (L8096) Schematic
J15
5
J17
9
3000V
C4
.0047
J17
8
C5
.0047
3000V
J17
7
J15
6
J15
4
.39mH
1A
L4
J15
10
3000V
C1
.0047
.39mH
L2
J15
2
J17
4
3000V
C20
.0047
C2
.0047
3000V
J17
6
.39mH
1A
L6
3000V
C3
.0047
C6
.0047
3000V
.39mH
L1
.39mH
1A
L5
J15
7
J17
10
.39mH
1A
L7
3000V
C19
.0047
C9
.0047
3000V
J17
2
.39mH
L17
J17
3
J18
6
J16
7
.39mH
1A
L9
J15
8
3000V
C8
.0047
J17
1
C17
.0047
3000V
J18
7
C22
.0047
3000V
C7
.0047
3000V
.39mH
1A
L8
3000V
C18
.0047
J16
8
J15
9
.39mH
L18
J18
1
3000V
C12
.0047
J18
8
SUPPLY VOLTAGE NET
FRAME CONNECTION
COMMON CONNECTION
.39mH
L13
J16
5
EARTH GROUND CONNECTION
POWER SUPPLY SOURCE POINT
NOTES :
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
NUMBER.
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
MFD
CAPACITORS =
RESISTORS = Ohms (
UNLESS OTHERWISE SPECIFIED)
1A, 400V
ELECTRICAL SYMBOLS PER E1537
DIODES =
UNLESS OTHERWISE SPECIFIED)
GENERAL INFORMATION
(
1/4W
.022/50V
LABELS
(UNLESS OTHERWISE SPECIFIED)
_
_
_
LAST NO. USED
D-
R-
C-
chassis
J18
4
3000V
C11
.0047
J18
5
C16
.0047
3000V
C21
.0047
3000V
C15
.0047
3000V
J16
3
.39mH
L11
J16
6
.39mH
L12
3000V
C13
.0047
.39mH
L15
.39mH
L16
J16
1
J16
2
J15
1
.39mH
1A
L10
3000V
C10
.0047
J17
5
16070
5-29-90SPA
SQUARE WAVE TIG 350
FEEDTHRU P.C. BD. SCHEMATIC
MK/DRS
NONE
16070
GM/BS 1-12-90
t
UNLESS OTHERWISE SPECIFIED TOLERANCE
ON HOLE SIZES PER E2056
ON 2 PLACE DECIMALS IS .02
WITH PUBLISHED STANDARDS.
ON 3 PLACE DECIMALS IS .002
ON ALL ANGLES IS .5 OF A DEGREE
MATERIAL TOLERANCE (" ") TO AGREE
THE LINCOLN ELECTRIC CO.
CLEVELAND, OHIO U.S.A.
EQUIP.
TYPE
SCALE
SUBJECT
DR
DATE CHK
REF.
SUP'S'D'G
SHT.
NO.
THE LINCOLN ELECTRIC CO.
THIS SHEET CONTAINS PROPRIETARY INFORMATION
OWNED BY AND IS
NOT TO BE REPRODUCED, DISCLOSED OR USED
THE LINCOLN ELECTRIC CO.
M
M
WITHOUT THE EXPRESS PERMISSION OF
chassis
G-5
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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.