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ELECTRICAL DIAGRAMS
G-17
MULTI-WELD 350
SCHEMATIC - CHOPPER PRINTED CIRCUIT BOARD
50V
0.1
C1
1W
16V
DZ5
D1
150V
8A
Q1
B1
D2
47
35V
C2
500
50V
C5
+
t
.24
R1
4.75K
R14
D3
D5
D4
B2
10.0
R15
4.75K
R6
10.0
R11
G1
C2
E4
C1
C3
G2
C4
E2
E5
C5
G3
E1
G5
G4
E3
A1
5
11
8
12
7
10
15
9
4
13
6
3
1
2
14
10.0
R13
1W
16V
DZ3
10.0
R17
1.0A
30V
D7
com
4.75K
R18
4.75K
R20
4.75K
R16
M16100-39
+15
1.0A
30V
D8
R-
SHT.
THIS SHEET CONTAINS PROPRIETARY INFORMATION OWNED BY
ON 2 PLACE DECIMALS IS + .O2
FILENAME: M19303_1DA
M
INPUT
NCNC
OCI1
5
2
8
3
6
4
1
7
19303
B3
D6
PWM
63V
1.0
C6
DR.
50V
0.1
C3
B7
8
10.0
R10
562
R3
COMMON CONNECTION
com
+15
com
com
+15
WITH PUBLISHED STANDARDS
LABELS
C-
ON 3 PLACE DECIMALS IS + .OO2
ON HOLES SIZES PER E-2056
UNLESS OTHERWISE SPECIFIED TOLERANCE
MATERIAL TOLERANCE ("t") TO AGREE
D-
EQUIP.
11-11-97
DATE
NONE
CLEVELAND, OHIO U.S.A.
NO.
ON ALL ANGLES IS + .5 OF A DEGREE
CHK.
AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED WITHOUT THE EXPRESS PERMISSION OF
SUPPLY
FRAME CONNECTION
1.21K
R2
1.00K
R4
475
R7
GNDGND
VS
VS
X2
MIC4451BN
54
1
8
50V
0.1
C4
50V
0.1
C7
1W
5.1V
DZ1
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.
NOTES :
22 to 32 Vac
.022/50V
SUBJECT
SUP'S'D'G.
TYPE
THE LINCOLN ELECTRIC CO.
SCALE
IEB
20
DZ- 5
19303
X- 2
LAST NO. USED
OCI- 1
M
VOLTAGE NET
7
SCHEMATIC
com
POWER SUPPLY SOURCE POINT
EARTH GROUND CONNECTION
CHOPPER,200 AMP
1A, 400V
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
Ch'ge.Sht.No.
THE LINCOLN ELECTRIC CO.
THE LINCOLN ELECTRIC CO.
(
to heatsink
UNLESS OTHERWISE SPECIFIED)
(UNLESS OTHERWISE SPECIFIED)
UNLESS OTHERWISE SPECIFIED)
CAPACITORS =
DIODES =
MFD
RESISTORS = Ohms (
1/4W
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
54
8
1
OUT
OUT
GNDGND
IN
VS
VS
NC
X2
MIC4451BN
6
27
3
XC-RW
9-17-99
G-17
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.