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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 pro-
vided 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.
ELECTRICAL DIAGRAMS
G-21
POWER WAVE 450
PC BOARD ASSEMBLY- SNUBBER
CAD
Ch’ge. Sht. No.
1-6-95A
JLV
FULL
DB
2-25-94
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.
L
L
WITHOUT THE EXPRESS PERMISSION OF
9579-1
9579-1
±.04
±.04
IDENTIFICATION
PART NO.
REQ’DITEM
INVERTER WELDERS
SNUBBER P.C. BOARD ASSEMBLY
CAPACITORS = MFD/VOLTS
DZ7,DZ8,DZ9,DZ10
R22,R23,R24
R14,R17
C2,C3 2 S13490-3 .0047/400
C1 1 S20500-1 .1/1000
C4 1 S13490-112 .047/1200
C5,C6,C7,C8,C9 5 S16668-7 820pF/50
C10,C11,C12,C13 4 S16668-11 . 1/50
D1,D2,D3,D4,D5 5 T12199-1 1N4004
DZ1,DZ2,DZ3,DZ4,DZ5,DZ6 10 T12702-52 1N4733A
DZ11,DZ12 2 T12702-29 1N4744A
J60 1 S18248-16 HEADER
J61 1 S18248-10 HEADER
J62 1 S18248-8 CONNECTOR
R1,R7,R13,R15,R16,R20,R21 10 S19400-1002 10K 1/4W
R2,R5 2 T14649-7 2.7 10W
R3,R4,R6,R8,R9,R10,R11,R12 10 S20620-1003 100K 1/2W
R18,R19 2 S19400-1000 100 1/4W
TP1,TP2,TP3 3 T13640-18 160J
X1,X2 2 S15128-18 QUAD-OP AMP
0
.45
3.85
4.05
0
.20
3.05
4.80
5.00
3.08
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R13
R16
R15
R7
R1
TP2
TP3
TP1
C2
C3
SNUBBER
J60
J62
C5
DZ1
DZ2
C6
DZ3
DZ4
C7
DZ5
DZ6
C8
DZ7
DZ8
C9
DZ9
DZ10
J61
C12
C13
DZ11
DZ12
C11
R18
X1
X2
C1
R12 R11
R17 R9
R14 R8
R6 R4
R10 R3
R2
R5
C4
D1
D2
D3
D4
D5
R20
R23
R24
R22
R21
L9579-1
C10
R19
G-21
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