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ELECTRICAL DIAGRAMS
G-16
POWER WAVE 450
SCHEMATIC -SQUARE WAVE PROTECTION PRINTED CIRCUIT BOARD
SUPPLY VOLTAGE NET
FRAME CONNECTION
COMMON CONNECTION
3000V
.0047
C4
J23
1
J23
4
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
J23
2
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-
J23
5
J23
3
.39mH
L4
.39mH
L1
J22
5
J22
4
J22
1
J22
2
J22
6
3000V
.0047
C5
3000V
.0047
C1
3000V
.0047
C2
3000V
.0047
C6
J22
3
.39mH
L2
J23
8
3000V
.0047
C3
.39mH
L6
.39mH
L3
J23
7
.39mH
L5
FRANCE
CANADA
AUSTRALIA
16115
Ch’ge. Sht. No.
5-29-90SPA
SQUARE WAVE TIG 350
PROTECTION P.C. BOARD SCHEMATIC
MK/DRS
NONE
16115
GM/BS
1-12-90
THE LINCOLN ELECTRIC CO.
CLEVELAND, OHIO U.S.A.
EQUIP.
TYPE
SCALE
SUBJECT
DR
DATE CHK
REF.
SUP’S’D’G
SHT.
NO.
M
M
G-16
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.