Lincoln Electric SHIELD-ARC SVM128-A Service Manual page 108

G-3
Wiring Diagram (Wire Feed Module)
ELECTRICAL SYMBOLS PER E1537
MOLEX CONNECTORS
J1 J2 J3
N.A. LEADS 31, 32 AND 602 DO NOT GO INSIDE WIRE FEED MODULE BOX.
N.B. COMPONENTS VIEWED FROM REAR
1 3 4
2
5 6 7 8
9 10 11 12
P5
CONNECTOR CAVITY NUMBERING
SEQUENCE VIEWED FROM
LEAD SIDE OF CONNECTOR
CV CONTROL
77A
R501 75
10K
76A
REMOTE CONNECTOR
31
J
115 VAC
A 32
GROUND B GND
C 2A
CONTACTOR
D 4A
E 77B
REMOTE F 76B
75A
G
AMPHENOL 1
WIRE FEED MODULE - WIRING DIAGRAM
J4
CONNECTOR CAVITY NUMBERING
SEQUENCE VIEWED FROM
COMPONENT SIDE OF BOARD.
CONNECTS TO
ENGINE WELDER
RECEPTACLE J5
CC/CV SWITCH S1
510 602
SHOWN IN CV MODE
610A
503A
609 501
77
4A 2
76B
2A 4
77B
76
LOCAL/REMOTE SWITCH S2
SHOWN IN LOCAL MODE
76A
77A
CC +
ELECTRICAL DIAGRAMS
1 Y
FLASHING
LEADS
2 W
503
3
SHUNT
602
4
TO
FIELD
RHEOSTAT
509
5
+ 6 610
115V
7
DC
- 600
8
9
10 GND
11 31
115V
AC
32
12
P5
N.A.
GND 1 GND
31 31
2
32
32 3
609 4 609
610A 5 610A
510 6 510
501 501
7
503A
503A 8
602 9 602
P6
J6
75 1 75
76 2 76
77 77
3
2
2 4
4 5 4
75A 6 75A
P7 J7
218 219
- +
300 AMP
SHUNT
608 609
CR4
CC - TO NEG
CV -
BRUSH HOLDER
CONTACTOR
R
CLEVELAND, OHIO U.S.A.
CONTROL BOARD
218 1
219 2
P1
634 1
667 2
2 3
4
4
621 5
633 6
75A 7
76 8
77 9
75 10
P2
501 1
2
509
503A
3
631 4
630 5
503 6
P4
W 1
610A 2
Y 3
600 4
608 5
610 6
7
510 8
P3
621
667
633
666
634
+ + +
250
25W
C501 C502 C503
630
622
30000 MFD
EACH
75 VOLT
G-3
J1
J2
J4
J3
CR3
631
CONTACTOR
3-18-94
L9259
SA-250