G-6
ELECTRICAL DIAGRAMS
WIRE-MATIC 250
Control PC Board (G2332) Schematic
J3
7
204
G1
H11C4
OCI2
2
1
5
6
4
562
R173
10K
R163
562
R167
562
R174
40V
600mA
Q40
40V
600mA
Q41
J3
6
X1
14
13
12
50V
0.1
C113
+5 V
74HC373
X5
20
10
10K
R176
D
204
X1
8
9
10
+15 V
X1
7
6
5
562
R168
Vss
Vdd
MC68HC11
X6
1
26
681
R172
2.21K
R166
G2
B
H11C4
OCI3
2
1
5
6
4
J3
5
2.21K
R177
T1 AUX.
C
681
R171
X3
14
7
-10 V
50V
0.1
C116
50V
0.1
C114
74HC165
X8
16
8
204A
202
54HC132A
X
1
3
10
J10
8
7
1
5
J2
4
1
6
J1
J4
5
3
4
203
NONE
SCALE
T1
SUP'S'D'G.
RESISTORS = Ohms (1/4W UNLESS OTHERWISE SPECIFIED)
THERM. LD. CONN.
XA
WIREMATIC 250 CONTROL
G2330
SCHEMATIC
NO.
XM5386
SHT.
J9
4
1
1
J8
J7
2
J3
8
16
1
J5
7
1
J6
14
9
8
6
7
12
1
+5 V
100
R203
D110
J2
1
J2
6
J2
9
J2
4
J2
7
J2
5
J2
8
J2
10
J2
3
+15 V
+5 V
J2
2
D113
4.75K
R209
4.75K
R210
D112
10K
R24
D111
100
R204
J7
1
+5 V
541A
+5 V
+5 V
541A
+5 V
10K
R25
J7
2
J7
3
D99
TIME
20
10
/OE
2D
5Q
6Q
0D
7Q
4Q
3Q
2Q
1Q
0Q
Vcc
GND
/LE
6D
4D
5D
1D
3D
7D
74HC373
X5
17
4
12
9
6
5
11
16
1
2
7
18
13
19
3
8
15
14
BURNBACK
2.21K
R191
511
R189
D98
44.2K
R188
J1
2
J1
4
C118
J1
6
44.2K
R190
263
511
R187
C119
D101
SPI INTERFACE
+5 V
+5 V
+5 V
262
264
SCI INTERFACE
206A
PULL GUN
STITCH
STITCH
C33
4.75K
R71
6.81K
R77
14
28
D5
A7
D1
D2
A1
GND
Vpp
A13
A14
A8
A5
OE
CE
A4
A3
D4
A2
A6
A12
A10
D7
A9
A11
D6
A0
D0
D3
Vcc
27C256
X4
17
16
1
13
22
7
12
20
27
10
18
9
11
23
21
26
3
25
2
24
5
15
6
19
8
4
.33mH
L6
1N4007
D14
TO OPTIONAL
100
R205
1N4007
D13
TRIGGER
325A
324A
100
R20
261
4.7
35V
C21
P8
J8
4
1W
16V
DZ2
D34
475K
R67
1.00K
R62
40V
600mA
Q12
5.62K
R68
1.00K
R63
1W
15V
DZ1
1.00K
R60
1.00K
R64
100
R65
600mA
40V
Q13
D109
CNY17-3
OCI1
4
2
1
6
5
18.2K
R207
J10
5
.33mH
L17
44.2K
R198
D108
18.2K
R208
44.2K
R194
D107
D106
+15 V
+5 V
+5 V
D23
D33
+t
60V
.25
R61
P8
J8
3
15A
400V
Q11
511
R195
C122
SOLENOID
C
515
G2330
254
251
CW
WIRE FEED
252
SPEED
3.92K
R66
SOL.
-
POWER-ON
22.1K
R102
INDICATOR
+
541
PM
539
D24
J10
6
DRIVER
+15 V
Y
X
541A
204
+5 V
+15 V
+5 V
-10 V
+15 V
541A
+5 V
+15 V
203
202
+15 V
204
+15 V
206A
OPTIONAL PLUG
B
490
CIRCUITRY
FOR
543
542
541A
255
ARC VOLTAGE
253
CW
256
CIRCUITRY
CONTROL
A
D
D
CRYSTAL
X11
2
4
5
X11
13
10
11
40V
600mA
Q23
B
1W
18V
DZ4
750
R107
600mA
40V
Q25
40V
600mA
Q22
100
R108
D62
+15 V
D83
5W
50
R145
1W
18V
DZ5
15.0K
R147
.33mH
L12
C103
OP27
X22
7
4
400V
.68
C70
TL431
X18
8
1
6
GND
IN
OUT
X15
2W
10
R144
+15 V
POWER SUPPLIES
D82
1W
6.2V
DZ6
500mA
300V
Q31
16A
400V
DD1
2200
63V
C78
3300
50V
C73
3.92K
R146
6.81K
R149
150V
8A
Q30
1400V
.0047
C72
400V
.68
C75
TL431
X14
8
1
6
3.01K
R150
D86
D85
5W
3300
R143
100
R148
20J
75V
TP2
2W
10
R152
38J
130V
TP5
J9
1
J9
4
1400V
.0047
C80
LM2901
X11
3
12
5W
1K
R153
C100
LM2901
X19
3
12
50
25V
C81
C101
C104
5W
10V
DZ7
LM224
X1
4
11
4066B
X12
14
7
J1
1
D102
C120
X3
3
2
1
47.5K
R212
D105
D114
J1
7
D97
D118
D103
D96
J1
5
10K
R193
4.75K
R132
J1
8
X3
11
13
12
50V
0.1
C117
50V
0.1
C125
+5 V
+15 V
+5 V
+5 V
A
260
267
D
266
265
100
R201
D7
D6
CLK1
H
H
SA
CLK2
SS/PL
H
Q
F
Q
E
DCBA
G
74HC165
X8
9
14
12
11
1
7
2
15
10
6
13
3
4
5
D5
D8
100
R202
D4
D1
D2
1.00K
R6
1.00K
R9
44.2K
R197
C124
511
R196
1.00K
R8
D115
D3
1.00K
R7
50V
0.1
C121
D104
4.75K
R192
D117
10K
R206
C
D52
1.50K
R97
100
R94
39
10V
C56
D54
10K
R96
.33mH
L8
D53
C41
100V
.22
C42
C57
16.5K
R95
X19
8
14
9
X19
10
13
11
4.75K
R136
A
22.1K
R111
C53
1.50K
R110
X12
12
11
10
X19
4
2
5
X12
6
9
8
15.0K
R115
2.67K
R114
400V
.001
C54
D
X12
5
4
3
3.32K
R112
267
R118
47.5K
R116
18
15V
C55
X12
13
2
1
LINE SENSING
6.81K
R113
750
R117
+5 V
+5 V
208
+5 V
+15 V
+5 V
541A
B
D
A
C
10K
R93
-10 V
681
R161
39
20V
C74
206A
+15 V
207
+15 V
681
R160
common
+5 V
+15 V
J5
3
VSS
VDD
RES
S-8054HN
X9
511
R125
7W
.25
R140
X3
8
10
9
50V
2700p
C36
D74
J6
7
20J
75V
TP1
C60
100
R121
1400V
.0047
C71
7W
.25
R141
J6
14
J6
15
5W
1K
R74
2.43K
R211
50V
0.1
C32
P4
J4
2
J5
7
10K
R78
.33mH
L7
J5
4
.33mH
L14
+
REF
-
TL431
X17
6
1
8
4.75K
R81
D40
10K
R80
4.7
35V
C34
SUPPLY
CURRENT SENSING
207
C
CIRCUITRY
209
T1
T1
208
DETECTOR
ZERO-CROSSING
J6
16
D70
.33mH
L10
+15 V
+5 V
+5 V
+15 V
515B
325
324
TRIG
COM
325A
320
RESET
A/D
1.00K
R72
D72
51.1K
R126
TACH CIRCUITRY
D75
100
R129
CIRCUITRY
GATE DRIVE
CT. MAIN
2.21K
R123
T1
206
J6
4
J6
6
80J
150V
TP4
D90
33.2
R169
5W
50
R175
26.7
R170
D92
33.2
R164
D91
15J
50V
TP7
D93
1400V
.0047
C90
5W
50
R162
15J
50V
TP6
26.7
R165
1.0
35V
C91
1400V
.0047
C93
1.0
35V
C92
209
208
204
202
203
+5 V
+5 V
J3
2
J3
1
J3
3
J6
13
J5
1
J6
11
ON 3 PLACE DECIMALS IS + .OO2
.33mH
L13
50V
0.1
C35
D41
50V
.27
C61
D71
10K
R124
.33mH
L11
52.3K
R120
6.81K
R122
X1
1
3
2
D73
J5
2
J6
5
+15 V
207
SUBJECT
+
206S
FRAME CONNECTION
POWER SUPPLY SOURCE POINT
SUPPLY
Ch'ge.Sht.No.
LABELS
VOLTAGE NET
GENERAL INFORMATION
EARTH GROUND CONNECTION
B -
COMMON CONNECTION
NOTES :
A COMMON CODE NUMBER.
555
-
205
ON 2 PLACE DECIMALS IS + .O2
UNLESS OTHERWISE SPECIFIED TOLERANCE
ON HOLES SIZES PER E-2056
206B
A
TACH
332
R82
THE LINCOLN ELECTRIC CO.
ELECTRICAL SYMBOLS PER E-1537
RED LEAD
BLACK LEAD
R -
CLEVELAND, OHIO U.S.A.
TYPE
EQUIP.
SHUNT
300V
500mA
Q21
26.7K
R105
1.00K
R200
511
R199
C123
.33mH
L19
J10
3
D116
J10
2
J10
1
.33mH
L15
J10
4
40V
600mA
Q10
J5
12
J5
10
100V
.047
C50
5.62K
R106
J5
13
J5
8
G
D
S
18A
200V
Q20
2
3
1
J5
11
J5
9
MOTOR
1W
18V
DZ3
100
R103
50V
20
C51
X10
14
7
D61
C52
7W
.25
R119
206
G1
C105
204
G2
TO GROUND
TO CIRCUIT
BOARD
+
207
+
+
T1 SECONDARY
-
WELDING
+
OUTPUT
+
209
208
203
7/2/91 DMS
C106
50V
0.1
C112
50V
0.1
C111
27C64
X4
28
14
C107
Y
98
3
4
2
D
C
ACTUAL CIRCUIT
B
E
A
OF X10
F
11
10
5
6
13
12
+15 V
G
D
S
18A
200V
Q24
1
26
MODB
RXD
Vss
MISO
Vdd
A12
I/O
OC5
A15
A14
OC2
OC3
IC1
A/D
VRH
A/D
A/D
OC4
A/D
/RES
/XIRQ
IC2
/SS
MOSI
XTAL
EXTAL
R/W
VRL
A13
MC68HC11
/IRQ
TXD
E
AD1
A11
A8
A9
AS
AD0
A10
AD5
AD4
AD2
AD3
A/D
A/D
A/D
A/D
SCK
MODA
IC3
AD7
AD6
X6
21
43
45
49
32
30
22
24
23
28
19
47
33
7
25
29
8
17
52
18
51
31
27
35
36
5
39
10
6
38
41
37
4
42
9
40
12
13
11
14
20
4850
16
2
3
15
44
46
34
D51
C4
130
4.0MHz
Y1
1/2W
10M
R70
10K
R19
X19
1
6
7
10K
R18
22p
100V
C31
SPOT/
4T/
OPTION
SPOT/
SWITCH
CONT
SENSE
SWITCH
STITCH
BOARD
TIME
OFF-
ON-TIME
D100
6.81K
R109
C40
4.75K
R91
D50
J4
1
J4
5
J4
7
X3
6
5
4
33.2
R100
J4
6
5.62K
R104
33.2
R101
D60
J4
4
4.75K
R90
J4
8
X11
1
6
7
475
R89
15.0K
R23
C5
4.75K
R10
22p
100V
C30
P4
J4
3
J7
4
J1
3
J9
5
J9
2
D80
X11
14
9
8
TO OPTION BOARD
MATERIAL TOLERANCE ("t") TO AGREE
WITH PUBLISHED STANDARDS
ON ALL ANGLES IS + .5 OF A DEGREE
FILE: G2330_2CA
THIS DIAGRAM MAY NOT SHOW THE EXACT
COMPONENTS OR CIRCUITRY OF CONTROLS HAVING
CIRCUIT BOARD MAY CHANGE WITHOUT AFFECTING
THE INTERCHANGEABILITY OF A COMPLETE BOARD.
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED
C62
V
V
INPUT
CC
EE
NC
OUT
INPUT
NULL
4
NULL
7
OP27
X22
2
8
3
6
5
1
511
R127
LAST NO. USED
19
L-
DIODES = 1A, 400V (UNLESS OTHERWISE SPECIFIED)
CAPS. = ufd (.022/50V UNLESS OTHERWISE SPECIFIED)
51.1K
R131
CHK.
204A
202
CT. AUX.
T1
DATE
MJH
118
D-
C-
R-
212
125
DR.
2/16/93
T1
1-31-92
2-5-93
7-2-93E
3-25-94E
G-6
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n to Section TOC
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n to Section TOC
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n to Section TOC
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n to Section TOC
Retur
n to Master TOC
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n to Master TOC
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n to Master TOC
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n to Master TOC
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not
available from Lincoln Electric. This information is provided for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result
in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.
