Section E - Lincoln Electric POWER MIG SVM160-B Service Manual

G-2
WIRING DIAGRAM - POWER MIG 300 CODE 10562 ONLY
DISPLAY ENCODER MSP III CONTROL
BOARD BOARD BOARD BOARD
FLEX CIRCUIT
SHIELDED
CABLE
SPOOL GUN FEEDER
BOARD BOARD
SHIELDED
CABLE
P.C. BOARD CONNECTION DETAIL
H5 H2 H3 H4 H1
(SHOWN
CONNECTED
FOR 230V)
L1
RECONNECT PANEL
W
B
G
MSP III BOARD
SET
1 3411
SWITCH
2
3415
3
3411A
3414
4
J341 3411
3415
5
3414
6 3416
7 3417
8
1
2
3
4
5
SHIELDED CABLE
J34
6
7
8
9
10
LEAD COLOR CODE:
B=BLACK OR GRAY FLEX
R=RED OR PINK
W=WHITE
G=GREEN (W/YELLOW STRIPE)
1 5 4 1 3 1 2 1
1
5 8 4 6 3 4
6 10 2
1 8 1 7 1 6
9 16 6 14 7 12
CONNECTOR CAVITY NUMBERING SEQUENCE
(VIEWED FROM COMPONENT SIDE OF BOARD)
L2 THRU L9 ARE RF CHOKES
ALL CASE FRONT COMPONENTS SHOWN VIEWED FROM REAR.
PANEL RECEPTACLE CAVITY NUMBERING SEQUENCE
(VIEWED FROM LEAD SIDE OF RECEPTACLE)
3 2 1
1 2 3
6 5 4
4 5 6
9 8 7
7 8 9
9 PIN
9 PIN
J50
P50
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.
ELECTRICAL DIAGRAMS
3233 471
+
472
C6
3234
6800/75
471B 472B L2 L9
X5
CONTROL
RECTIFIER
X6
FAN
MOTOR
FAN
X5
X6
H1
X3
115V
L1 L2
X4
H2
L2
X1
LINE
SWITCH
H5
H1 H4
H3
H1
H1
H4
H4 X2
502
SELECT
503A
SWITCH
3417
TO +
3411A
STUD
3416
GND
4A
4
GEARBOX
2
FOOT E D 2A
WIRE
75
AMPTROL F C
75A DRIVE
76
AMPHENOL A B
MOTOR
76A
77
(VIEWED 77A
831:B 832:W
FROM
REAR) 76A
E 4A
SPOOL GUN/
D F 2A
PUSH-PULL G 75A
833
C A 3218
AMPHENOL
B 3214
77A
L4 L5
GAS
SOLENOID
834
75 3214 2 3218 3234 3244
76 4 77 3233 3243
SPI SPOOL GUN BOARD
SHIELDED CABLE
DIGITAL POWER SUPPLY BOARD
471 412 408 410 431 403
472 411 407 406
FAN + 715
~
RELAY
- 716
437 431
J99
503
C1 C3
B1 B4
503A
B1
B2 B5 B5
B2
B5
C2 C4
B3 B6
2520
R1
C5
2400/100
LEM
2530
B6
1 2 3 4
802 801
804 806
300A CHOPPER BOARD
SHIELDED
CABLE
L3
DIODE
BRIDGE
GUN TRIGGER
TACH
1 2 3 4
L8 SPOOL GUN/
PUSH-PULL
SWITCH
832:W 834 836 852
831:B 833 835 841:R 844:B
847:U 851 855
FEEDER BOARD
1101 3244
1102 3243
S3 RS232
CONNECTOR
1
253
2
254
3
4
5
6
1
7 251
2
20
3
1104 437 405 401
4
1103
402
L6 SHIELDED 5
J3
CABLE
6
7
8
9
L7 10
401 1
402
2
403
3
4
405
5
406 6
J4
407 7
408 8
L1
CHOKE 9
+STUD
410
901 10
411
901B 11
TP4
412
12
R2
1
502 2
TP6
J5
903B
503 3
4
-STUD
TP5
1
2
3
903 604 4
5
6
607
7
8
J6
9
DISPLAY
J37 FLEX 604 10
P.C. BOARD
611 11
12
ENCODER
J36 FLEX 13
P.C. BOARD
14
615
J361 15
16
1
LOCATED ON
2
CASE FRONT
3
4
5
6
7
8
8512 J7
9
10
11
12
13
14
715
15
716 16
801 1
802 2
3
804
4
J8
5
806
6
7
8
G-2
253 251
254
C
O
N
T
R
O
L
B
O
A
R
D
1102 1104
901 903 1101 1103
1 2-21 -2001 A
POWER MIG 300