Electrical diagrams, G-10, Schematic - entire machine g-10 – Lincoln Electric INVERTEC SVM101-B User Manual
Page 102: V300-i, Arc - arc
ELECTRICAL DIAGRAMS
G-10
V300-I
SCHEMATIC - ENTIRE MACHINE
G-10
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
+
-
BOARD
+
12
25
25W
25
25W
9
C2
R6
R7
4
1
R1
7500
25W
9A
OFF ON
AC1
AC2
AC3
H1
TP1
TP3
TP2
}
R
W
R
W
401, 403
1, 8
4, 5
POWER
S1
402, 404
SWITCH
+
-
BOARD
1
2
3
4
14
313
J8
PROTECTION
52
51
53
2200 F
450V
(LEFT)
12C
9A
53
12A
9C
311
275F
306
W
B
G
H5
A
R
H1
52
9D
H5
1
2
3
4
5
6
314
315
317
316
J15
12A
12D
INPUT
H1
H5
A
9C
12C
9B
12A
9B
12A
12A
9B
S7
RECONNECT
INPUT
D13
RECTIFIER
309 310
308
307
3
6
4
4
4
1
1
1
63
3
2
J9
J10
}
2 5
25
J11
CR1(N0)
CR4(N0)
CR2(N0)
CR3(N0)
9A
9D
1 2 3
4
5 6
314
315
316
317
J16
12B
12D
ELECTRICAL SYMBOLS PER E1537
J3
J4
CONNECTOR CAVITY NUMBERING SEQUENCE
(VIEWED FROM COMPONENT SIDE OF BOARD)
285
229
+
WIRE FEEDER
WELDING
POLARITY
SWITCH
S6
42A
32A
J9, J10, J12
COLOR CODE:
R = RED
J5
J6
503A
W = WHITE
B = BLACK
G = GREEN
Y = YELLOW
J13, J15, J16
J2, J8
J11, J14
J1, J7
+
12
9
402, 404
401, 403
4, 5
1, 8
W
R
W
R
+
-
SWITCH
BOARD
(RIGHT)
R4
R5
25
25W
25
25W
2200 F
450V
R9
7500
25W
51
C1
12B
12B
9B
9B
3 AMP
SLOW
BLOW
A
14
SWITCH
5
T3
CURRENT
TRANSFORMER
I
I
YY
1
4
MAIN
TRANSFORMER
R3
5
8
D1
D2
D3
F
F
S
S
S
S
S
S
S
F
F
F
TOP
F
S
L2
RIGHT
F
S
F
BOTTOM
F
S
F
.001/400
C8
R10
R13
D6
D4
D5
D11
D12
D10
D9
D8
D7
C4
R2
C3
.001/400
T2
H1
18V
T1
32A
42A
AUXILIARY
TRANSFORMER
H2
H3
H4
H1
J13
J12
212D
503
501
504
0V
24V
42V
110V
1
4
6
5
3
2
1
4
2
3
6
H6
H2
H3
H4
H6
FAN
MOTOR
A
230V
415V
440-
460V
200-
208V
220-
380-
H3
H3
307
308
309
310
302 303 304 275D
2
3
1
7
8
}
J7
J6
2
4
5
6
1
3
9
10
7
6
8
4
5
211A
211B
212B
212D
501
504
301
305
1
2
3
4
}
J14
311
313
CHOKE
TP5
229
B W
L3
C5
229
400A
SHUNT
R8
229
286
TP6
250
25W
+ ARC
- ARC
4
5
6
7
8
1
3
2
275F
J1
1
3
4
2
1
2
B
W
TP4
C6
J2
J3
}
1
2
3
4
5
6
7
8
9
10
11
12
J4
1 2
3
4
5
6
7
8
91 0
11
12
13
14
J5
220
204A
76
203
206
227 213
214
225
226
229
228
207
208
276
218
75
77A
211A
210
275A
502
215
306
223A
Y
212C
150 5W
FAN
THERMOSTAT
212A
224
210
THERMOSTAT
CHOKE
{
75
76
77B
GND
G
F
E
J
A
I
K
C
D
M
L
B
N
H
75
76
77
31
32
41
42
2
4
81
82
21
42
VAC
REMOTE
CONTROL
RECEPTACLE
TRIGGER
212
212
32
42
21
212
CB1
CB2
223B
212C
2AMP
6AMP
110/115
VAC
}
211B
206
204A
204B
213
218
77B
77A
276
275C
275B
275A
228 204B 204C
LOCAL
REMOTE
10K
2W
R11
207
208
10K
2W
R12
214 275B 225
226
227 275C
+5
GND DPC DP1 IN(+) IN(-)
METER
CW (MAX)
CW (MAX)
CC SOFT
CC CRISP
CV FCAW
CV GMAW
R11
OUTPUT
CONTROL
S2
MODE
SWITCH
V
A
S3
LOCAL/REMOTE
SWITCH
203
215
CC GTAW
THERMAL
OVERLOAD
INDICATOR
(V300-I ONLY)
R12
ARC FORCE
/INDUCTANCE
CONTROL
S5
METER
FUNCTION
SWITCH
GND
{
{
SPARE
WIRE
FEEDER
MIN
REMOTE
OUTPUT
CONTROL
502
Y
503A
503
285
-
21
212A 212B
REMOTE
ON
S4
OUTPUT
TERMINAL
SWITCH
223A
223B
220
204C
BH5 B51 B53 B14 B52
8
1
2
3
4
5
CONTROL BOARD
POWER
BOARD
SOLDERED
CONNECTION
QUICK
CONNECTION
SINGLE LINE
MULTI LINES
DRIVER
BOARD
TEST
POINT
LOCATION
WIRE
VOLTAGE
NUMBERS
1
1J3 & 2J3
B/W
2
3
4
5
6
7
8
10
15
R11
175/176
0 - 4.5 V DC
8J5 & 2J1
229/275F
7J1 & 1J1
13 V DC
NO LOAD
303/275D
8 V DC
FULL LOAD
NO LOAD
FULL LOAD
13 V DC
8 V DC
304/275D
8J1 & 1J1
1J2 & 3J2
Y/Y
5 V AC
4J2 & 11J4
210/223A
24 V AC
6J4 & 1J1
214/275D
5 V DC
11
12
13
14
1J8 & 3J8
311/313
1 V DC
5J7 & 6J7
501/504
18 V AC
6J6 & 1J6
302/275D15 V D
C
7J7 & 1J6
307/275D
.75 V DC
NO LOAD
6 V DC
FULL LOAD
8J7 & 1J6
308/275D
.75 V DC
NO LOAD
6 V DC
FULL LOAD
2J6 & 7J6
305/301
1 V DC
16
R/W
.75 V DC
2J11 & 4J11
309/310
24 V DC
SW BOARDS
OUTPUT FEEDBACK
9
1
2
3
45
6
7
8
9
10
11
12
13
14
15
16
C7
10
2W
10
2W
BOTTOM
AUX
TOP
OUTSIDE
BOTTOM
INSIDE
L1
LEFT
TOP
INSIDE
BOTTOM
OUTSIDE
TOP
AUX
10
2W
10
2W
SCHEMATIC DIAGRAM FOR TROUBLESHOOTING INVERTEC V300-I (FOR CODES 9826, 9827, SPLC6792)
0 V AT 0 AMP
50 mV AT 400 AMP
LINEAR FEEDBACK
NO LOAD
V300-I SCH
DAD 5-20-94