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ELECTRICAL DIAGRAMS
G-20
POWER WAVE 450
SCHEMATIC - SNUBBER PRINTED CIRCUIT BOARD
+15V
.5W
100K
R4
10.0K
R21
+OUTPUT
J60
13
J60
8
D1
.5W
100K
R11
.5W
100K
R17
.5W
100K
R14
J60
11
D5
10.0K
R22
10.0K
R20
X1
14
13
12
J61
6
J61
10
X1
7
6
5
J61
8
J61
9
J61
7
X2
1
2
3
X1
8
9
10
10.0K
R23
J60
15
.5W
100K
R8
D2
J60
9
.5W
100K
R9
.5W
100K
R12
X2
7
6
5
.5W
100K
R10
D3
.5W
100K
R3
.5W
100K
R6
+15V
+15V
+15V
+15V
(67)
(167A)
(121A)
(499)
67A
21A
21B
67B
(221A)
16761
M
D4
10K
R7
J60
4
J60
7
160J
320V
TP1
400V
.0047
C3
400V
.0047
C2
J62
2
160J
320V
TP3
160J
320V
TP2
J60
1
J62
1
10W
2.7
R2
1200V
.047
C4
J60
14
J60
16
1W
5.1V
DZ6
1W
5.1V
DZ4
J62
5
J62
3
J62
7
J62
6
J60
10
J60
12
J62
8
J60
2
J60
5
J60
6
10W
2.7
R5
50V
820p
C7
50V
820p
C6
50V
820p
C8
1W
5.1V
DZ7
1000V
.1
C1
1W
5.1V
DZ5
1W
5.1V
DZ2
1W
5.1V
DZ1
J60
3
50V
820p
C5
1W
5.1V
DZ3
J62
4
10K
R15
10K
R1
Ch’ge.Sht.No.
1W
5.1V
DZ9
50V
820p
C9
1W
5.1V
DZ8
1W
5.1V
DZ10
CHASSIS
L3
(461)
BACKGND
-OUTPUT
(467)
(468)
NOTES :
NUMBER.
10K
R16
50V
0.1
C11
FILE: M16761_1BA
1W
15V
DZ11
X1
1
2
3
50V
0.1
C10
X2
8
9
10
J61
4
100
R19
1W
15V
DZ12
+15V
10K
R13
J61
3
33074A
X2
4
11
J61
1
J61
2
50V
0.1
C12
33074A
X1
4
11
100
R18
10.0K
R24
50V
0.1
C13
40/100W
(462)
R11
-15V
COSMETIC TRACE
(J62-4 TO J61-5)
CLEVELAND, OHIO U.S.A.
DB
DR. NO.
LAST NO. USED
POWER SUPPLY SOURCE POINT
COMMON CONNECTION
NONE
TYPE
M
EQUIP.
SUP’S’D’G.
M
SUBJECT
EARTH GROUND CONNECTION
CHK.
FRAME CONNECTION
VOLTAGE NET
.022/50V
1/4W
(UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
24
13
SHT.
LABELS
(464)
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
MFD
DIODES =
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
CAPACITORS =
RESISTORS = Ohms (
1A, 400V
SCALE
THE LINCOLN ELECTRIC CO.
(
DATE
12
DZ-
D-
5
(207)
(205)
+15V
(204)
(208)
TO CONTROL BOARD
C-
R-
SUPPLY
16761
1-31-93
(201)
(202)
(206)
(203)
X2
14
13
12
J61
5
INVERTER WELDERS
SNUBBER P.C. BD. SCHEMATIC
DB
1-6-95A
G-20
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.