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ELECTRICAL DIAGRAMS G-18
PRO-CUT 60
CONTROL BOARD SCHEMATIC DRAWING (G2015)
2.21K
R30
P8
J8
1
P8
J8
2
P8
J8
13
P8
J8
9
475
R154
2.21K
R174
P2
J2
6
"THERMOSTAT"
1.00K
R74
1.0
50V
C18
P8
J8
8
600mA
40V
Q15
10K
R104
P8
J8
15
1W
5.1V
DZ14
P8
J8
6
.33mH
L7
1W
5.1V
DZ15
100
R27
1.00K
R72
475
R155
100
R31
475
R28
P2
J2
3
1.0
50V
C17
+5 V
+5 V
NOTES :
SAFETY RESET
PURGE/RUN
TO STATUS BD
SWITCH
THERMOSTAT
PRESSURE
THERMOSTAT
PURGE/RUN
50V
0.27
C65
475
R153
D70
NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY
39,40,43,44,60,67,68
FILE: G1951-4HB
NO TRACES CROSS
SWITCH
2-4
1/2 OF SAFETY
4.7
35V
C44
72
NUMBER.
EARTH GROUND CONNECTION
21
UNLESS OTHERWISE SPECIFIED)
68
DZ-
LABELS
POWER SUPPLY SOURCE POINT
SUPPLY
COMMON CONNECTION
UNLESS OTHERWISE SPECIFIED)
(
MFD
1/4W
RESISTORS = Ohms (
CAPACITORS =
DIODES =
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
184
C-
"SAFETY"
N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
NOT USED:
VOLTAGE NET
LAST NO. USED
R-
D-
1A, 400V
.022/50V
(UNLESS OTHERWISE SPECIFIED)
22,23,28,33,34,37,38,
D5,6,15,16,17,18,19,20
FRAME CONNECTION
C57,59
JUMP START ENABLE SCR
1/2 OF SAFETY
(2 PLACES)
TO STATUS BD
1/2 OF 2-4
221K
R100
221K
R89
475
R99
26.7
R67
4011
X5
14
7
10K
R151
50V
0.27
C64
P8
J8
7
10K
R152
1.00K
R80
P10
J10
4
P3
J3
2
P3
J3
4
P3
J3
8
10K
R170
10K
R36
P3
J3
3
10K
R97
10K
R171
10K
R98
P3
J3
6
P8
J8
3
10K
R172
D50
10K
R173
MC68705R3
X4
4
1
LM224
X3
4
11
50V
0.27
C50
LM224
X7
4
11
C13
HEXTRGR
X6
14
7
+15 V
40V
600mA
Q9
C31
+5 V
C52
C30
+5 V
D46
475
R29
3043
OCI1
2
6
1
4
400V
.1
C23
G
MT2
MT1
2500D
TRI1
1.00K
R68
P3
J3
1
1.00K
R65
200
R66
P3
J3
9
P3
J3
7
C12
+15 V
+5 V
+5 V
+5 V
D1
26.7
R1
1W
5.1V
DZ5
FAULT
1.00K
R60
+15 V
+5 V
267
R2
1.00K
R38
2.21K
R69
10K
R35
C5
4.7
35V
C2
1.00K
R12
P3
J3
5
D24
2.21K
R59
2.21K
R157
5 VOLT SUPPLY
1
4
PC0
PD2
PC1
PB3
PB2
PC7
PB1
XTAL
PB0
PB7
PC5
PB4
PB5
PB6
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PC3
PC2
INT
PC4
PD1
PD4
VSS
VCC
VPP
TIMER
PD5
PD0
PD7
PD6
PD3
PC6
RES
EXTAL
MC68705R3
X4
27
34
31
11
9
6
15
21
19
12
2
40
26
38
33
22
28
10
36
37
17
29
25
39
18
24
23
13
20
5
3
14
8
30
35
16
7
32
40V
600mA
Q3
5mH
L1
D2
GND
IN
OUT
X1
D4
5mH
L2
3300
50V
C1
D3
P3
J3
10
50V
.27
C6
68.1K
R11
D58
1.0
50V
C19
22p
100V
C14
10K
R3
3.58MHz
Y1
10K
R43
GAS SOLENOID RELAY
CONE
HIGH FREQUENCY SOLID STATE RELAY
CURRENT AMPLIFIER
CONTROL POT
AMPLIFIER
PICKET FENCE
PILOT RELAY SOLID STATE RELAY
3043
OCI2
2
6
1
4
D25
1.00K
R56
3043
OCI3
2
6
1
4
26.7
R54
6.81K
R10
1W
5.1V
DZ17
200
R62
400V
.1
C21
+15 V
40V
600mA
Q5
200
R55
40V
600mA
Q4
5W
390
R49
3.32K
R177
G
MT2
MT1
2500D
TRI3
10K
R8
681
R9
P10
J10
1
X3
1
3
2
1.0
50V
C7
1.00K
R63
G
MT2
MT1
2500D
TRI2
400V
.1
C22
X5
10
8
9
1.00K
R121
1.00K
R169
475
R34
1.00K
R53
26.7
R64
P10
J10
2
221K
R139
D48
15 VOLT SUPPLY
100K
R140
1.0
50V
C28
40V
600mA
Q13
1.0
50V
C62
D49
100V
.22
C48
40V
600mA
Q14
D47
100V
.047
C49
D6
P8
J8
11
1W
5.1V
DZ4
243
R13
1W
5.1V
DZ21
68.1K
R4
68.1K
R7
X7
1
3
2
6.81K
R6
5.11K
R138
D5
GND
IN
OUT
X2
5W
17V
DZ7
D9
5mH
L3
5mH
L4
D7
3300
50V
C3
50V
.27
C58
4.7
35V
C4
5W
15V
DZ8
+5 V
+5 V
+18B
+18A
6.81K
R5
D
P6
J6
3
CNY17-3
OCI7
4
5
6
10K
R96
4.7
35V
C43
D36
D71
221K
R156
100V
100p
C45
1.50K
R90
10K
R95
100
R128
10K
R94
221K
R91
1.50K
R93
1/2 OF 2-4
CNY17-3
OCI6
4
5
6
10K
R111
+15 V
+15 V
C
+15 V
0.2mH
PT3
1
2
1W
3.3
R120
10K
R14
1W
12V
DZ16
2.21K
R158
P2
J2
4
C8
P2
J2
2
1.0
50V
C9
4.75K
R16
5.62K
R15
X3
7
5
6
2.21K
R57
1W
5.1V
DZ18
1W
10V
DZ1
1W
15V
DZ9
10K
R130
100V
1A
Q7
P2
J2
1
+15 V
+5 V
+15 V
10K
ZERO CROSS
CW
1W
15V
DZ10
+24 V
+15 V
+18B
+18A
+15 V
CONTROL POT
3.32K
R168
22.1K
R137
P1
J4
2
50V
.0047
C24
P1
J4
1
P7
J7
3
+OUTPUT
D8
P7
J7
1
D10
10K
R165
AUX
+OUTPUT
TO
PRESSURE SWITCH
90.9K
R181
68.1
R166
40V
600mA
Q16
X5
4
5
6
P6
J6
5
1W
3.3
R119
1N4936
D55
P6
J6
6
P6
J6
4
100V
100p
C36
100
R127
0.2mH
PT3
3
4
1N4936
D64
1N4936
D56
0.2mH
PT3
5
6
100V
5A
Q12
10K
R81
X6
13
12
475
R108
50V
0.27
C67
2W
15
R114
X6
11
10
X6
5
6
X5
11
12
13
X3
8
9
10
X3
14
12
13
P1
J6
2
X6
98
.33mH
L9
P1
J6
8
X5
3
2
1
100
R164
X6
3
4
+24 V
+5 V
+15 V
+5 V
G2
"FAULT"
TO STATUS BD
"OUTPUT ON"
G1
SPARE OUTPUT/INPUT PORT
(TEST)
TO STATUS BD
CNC INTERFACE
OK TO MOVE
TRANSISTOR DRIVE SIGNAL
TO
CIRCUIT ON POWER BOARD
TRANSISTOR DRIVE
3000V
.0047
C68
90.9K
R182
90.9K
R78
TO
PH 3
50V
.27
C54
TO SHUNT
WATCH DOG
VOLTAGE FEEDBACK
P5
J5
1
5.6mH
L6
1/2W
330
R25
1/2W
150
R24
1/2W
150
R23
CNY17-3
OCI6
1
2
1W
15V
DZ3
1N4007
D27
150
50V
C11
P5
J5
5
1N4007
D30
1N4007
D29
600V
.02
C25
33.2K
R180
P5
J5
6
D59
22.1K
R101
P10
J10
6
200V
.33
C41
1W
5.1V
DZ2
8.25K
R88
X6
1
2
600mA
40V
Q2
1/2W
330
R26
1N4007
D26
200V
.33
C16
475
R84
P5
J5
8
100
R102
P10
J10
3
10K
R82
2.7
50V
C42
40V
600mA
Q8
200V
.33
C40
2.21K
R83
10K
R123
CNY17-3
OCI7
1
2
100
R85
40V
600mA
Q1
P1
J4
3
200V
.047
C29
P5
J5
7
C38
1N4936
D61
10.0
R76
33.2K
R86
FAULT
+OUTPUT
+5 V
NO TRACES CROSS
PHASE 1
FIRING
33.2K
R179
33.2K
R87
100
R33
100V
.1
C46
.33mH
L8
200V
.33
C10
C27
10K
R103
CNY17-3
OCI9
42
1
6
5
1.0
50V
C15
6.81K
R61
P8
J8
14
5.11K
R22
3.01K
R71
10K
R41
X7
14
13
12
1.00K
R73
221K
R70
1.00K
R18
5.11K
R58
4.7
35V
C26
2.21K
R45
D12
D14
P8
J8
16
10K
R44
D11
1.00K
R19
D13
1W
6.2V
DZ6
10K
R20
1W
5.1V
DZ13
10K
R21
10K
R40
50V
0.27
C66
+15 V
+18A
+15 V
+18B
CAD [50,50] G1924.HSD
"PRESSURE"
TO STATUS BD
332
R32
50V
.27
C55
3.32K
R129
P1
J4
4
D72
1N5406
600V
.05
C63
5.11K
R146
100K
R142
50V
.27
C53
400V
.22
C20
3.01K
R149
50V
.27
C60
P8
J8
12
1W
5.1V
DZ20
5.11K
R147
1.00K
R48
1W
5.1V
DZ19
1.0
50V
C51
33.2K
R145
X7
7
5
6
6.81K
R141
3023
OCI4
2
6
1
4
1.00K
R175
X7
8
10
9
3.32K
R47
1.00K
R159
1.50K
R46
100K
R143
+15 V
D
C
D69
3.01K
R148
40V
600mA
Q6
FAULT
5W
390
R184
1/2W
100
R160
D35
10K
R150
2N6508
SCR1
1.00K
R176
1.00M
R144
3.32K
R178
C56
1/2W
100
R161
200V
.33
C39
1/2W
330
R75
P5
J5
4
P5
J5
3
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 dan-
ger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.
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