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ELECTRICAL DIAGRAMS
G-22
POWER WAVE 450
SCHEMATIC-SWITCH PRINTED CIRCUIT BOARD
600mA
40V
Q8
600mA
40V
Q9
1/2W
1
R28
1W
10V
DZ10
100V
1A
Q10
1N4936
D10
50V
2700p
C8
15.0K
R32
1W
6.2V
DZ9
47.5
R36
1W
10V
DZ2
1N4936
D7
1/2W
1
R22
100V
1A
Q1
1W
15V
DZ7
C6
10.0
R34
475
R29
10.0
R27
10.0
R25
10.0
R19
475
R37
10.0
R26
IRFD110
IRFD110
2N4403
2N4403
A
A1
M16100-26
A2
C2
221
R2
100
R3
1W
6.2V
DZ5
1.50K
R7
1.00K
R14
C1
1N4936
D5
1N4936
D2
22.1K
R16
C5
1N4936
D8
22.1K
R23
1W
6.2V
DZ8
100
R1
1.00K
R21
1.00K
R20
40V
600mA
Q12
1N4936
D1
1.50K
R30
1N4936
D4
100
R24
20
R31
40V
600mA
Q4
600mA
40V
Q7
20
R13
100
R5
600mA
40V
Q11
1N4936
D6
1.00K
R12
221
R4
1W
10V
DZ3
1W
6.2V
DZ6
475
R18
DIODES =
ELECTRICAL SYMBOLS PER E1537
1W
15V
DZ4
600mA
40V
Q6
CAPACITORS =
MFD
GENERAL INFORMATION
(
1/4W
.022/50V
1
A2
M16100-23
C1
A1
RESISTORS = Ohms (
G1
M16100-23
C2
E4
C1
C3
G2
C4
E2
E5
C5
G3
E1
G5
G4
E3
A2
C7
475
R42
10.0
R33
1200V
.047
C3
1A, 400V
10-28-96
FILE: L10611_1AA
NONE
THE LINCOLN ELECTRIC CO.
SCALE
EQUIP.
SUP’S’D’G.
JP/FM
CLEVELAND, OHIO U.S.A.
(UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
TYPE
---
CHK.
408
406
POSITIVE
RESISTOR
SNUBBER
SUBJECT
UNLESS OTHERWISE SPECIFIED)
INPUT
TRANSFORMER
404
402
---
9
10.0
R17
10.0
R9
10.0
R6
10.0
R8
47.5
R35
W
W
L
10611
R
R
1/2W
1
R11
100V
1A
Q2
---
3
PRIMARY
SNUBBER
50V
2700p
C2
1W
10V
DZ1
1N4936
D3
15.0K
R10
1/2W
1
R15
100V
1A
Q3
1N4936
D9
600mA
40V
Q5
A2
M16100-23
A2
C2
G1
M16100-26
C2
E4
C1
C3
G2
C4
E2
E5
C5
G3
E1
G5
G4
E3
A1
B
2N4403
IRFD110
2N4403
2N4401
2N4403
IRFD110
2N4403
2N4401
FILTER
INPUT
NEGATIVE
CAPACITOR
407
NOTES :
Ch’ge.Sht.No.
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
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
PRIMARY
2
-
4
403
---
401
RESISTOR
TRANSFORMER
SHT.
L
COMMON CONNECTION
FRAME CONNECTION
VOLTAGE NET
SUPPLY
8
D-
-
C-
NUMBER.
12
INPUT
SWITCH P.C. BOARD SCHEMATIC
INVERTER WELDERS
LABELS
LAST NO. USED
EARTH GROUND CONNECTION
R-
DZ- 10
Q- 12
POWER SUPPLY SOURCE POINT
A- 2
10611
DATE
DR.
NO.
10
42
405
39.2K
R40
39.2K
R39
39.2K
R38
39.2K
R41
1200V
.047
C4
A1
M16100-26
C1
A1
XA
DRS
7-18-97
G-22
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
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