Electrical diagrams, G-17, Schematic - chopper printed circuit board – Lincoln Electric MULTI-WELD SVM151-A User Manual
Page 117: Multi-weld 350, Minput, 22 to 32 vac
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
NC
NC
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
R
2
1.00K
R4
475
R7
GND
GND
VS
VS
X2
MIC4451BN
5
4
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
5
4
8
1
OUT
OUT
GND
GND
IN
VS
VS
NC
X2
MIC4451BN
6
2
7
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.