Schematic - Chopper Pc Board - Lincoln Electric COMMANDER SVM153-A Service Manual

G-6

SCHEMATIC - CHOPPER PC BOARD

19462 M
B7
PWM
INPUT
B3
D1
15 to 32 Vac
R1
B1 + t
.24
B2
D4
+15
R3
562
1
VS
X1
2
IN
R4 R19
3
NC
1.00K 475
4
C3
DZ1 GND
0.1
5.1V
MIC4451BN
50V
1W
+15
com
1 8
VS VS
C4 C6
X1
1.0 0.1
63V 50V
MIC4451BN
1.21K
GND GND
4 5
OCI1
2 8 7 6
com
NC NC
3 1 4 5
com
+15
D5
150V
8A
Q1
R14
D2
4.75K
R16
4.75K
C5 C2
R18
500 50
DZ2
50V 25V
4.75K
16V
R20 1W
D3 4.75K
com
NOTES :
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
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.
THIS SHEET CONTAINS PROPRIETARY INFORMATION OWNED BY
AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED WITHOUT THE EXPRESS PERMISSION OF
UNLESS OTHERWISE SPECIFIED TOLERANCE
ON HOLES SIZES PER E-2056
ON 2 PLACE DECIMALS IS + .O2
ON 3 PLACE DECIMALS IS + .OO2
ON ALL ANGLES IS + .5 OF A DEGREE
MATERIAL TOLERANCE ("t") TO AGREE
WITH PUBLISHED STANDARDS
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ELECTRICAL DIAGRAMS
R10
D6
10.0
1.0A
30V
R11
8
VS
10.0
7
OUT
R13
6
OUT
10.0
5
GND
R15
D7
DZ3
1.0A 10.0
16V 4.75K
30V
1W
R17
10.0
R5
C7
com
10.0
0.1
50V
R6
10.0
R7
10.0
R8
10.0
4.75K
R9
10.0
com
C1
0.1
50V
THE LINCOLN ELECTRIC CO.
THE LINCOLN ELECTRIC CO.
Ch'ge.Sht.No.
XC-RW XC-RW
4-14-2000
DR.
to + cap
2 5 8 11 14
C1 C2 C3 C4 C5
3
G1
6
G2
A1
9
G3
12
G4 M16100-39
15
G5
E1 E2 E3 E4 E5
1 4 7 10 13
to heatsink
to + cap
2 5 8 11 14
C1 C2 C3 C4 C5
3
G1
6
G2
A2
9
G3
M16100-39
12
G4
15
G5
E1 E2 E3 E4 E5
1 4 7 10 13
to heatsink
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
CAPACITORS = MFD ( .022/50V UNLESS OTHERWISE SPECIFIED)
RESISTORS = Ohms ( 1/4W UNLESS OTHERWISE SPECIFIED)
DIODES = 1A, 400V (UNLESS OTHERWISE SPECIFIED)
FILENAME: M19462_1BA
EQUIP.
CHOPPER, 300 AMP
THE LINCOLN ELECTRIC CO.
TYPE
CLEVELAND, OHIO U.S.A.
SUBJECT
NONE
SCALE
LC 3/26/99 CHK. SUP'S'D'G.
DATE
G-6
LAST NO. USED
R- 22 X- 1
C- 7 OCI- 1
LABELS
D- 7 DZ- 3
SUPPLY VOLTAGE NET
POWER SUPPLY SOURCE POINT
COMMON CONNECTION
FRAME CONNECTION
EARTH GROUND CONNECTION
SCHEMATIC
SHT.
M
19462
NO.
COMMANDER 500