Filter
Top Products
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 pro-
vided 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.
ELECTRICAL DIAGRAMS
G-7
PRO-CUT 80
PC BOARD ASSEMBLY - POWER BOARD
G
ITEM
REQ'D
PART NO.
DESCRIPTION
3440-1B
~.04
0
0
~.04
3-19-99
12.00
9.00
CAPACITORS = MFD/VOLTS
RESISTORS = OHMS
R71
C1,C4,C9,C12 ) 4 ) S20500-7 ) .047/1600
C2,C3,C10,C11 ) 4 ) S16668-6 ) 4700pF/50
C5,C15,C18 ) 3 ) S16668-9 ) 150pF/100
C6,C8,C19 ) 3 ) S16668-5 ) .022/50
C7,C21 ) 2 ) S13490-93 ) 27/35
C13 ) 1 ) S13490-83 ) 50/25V
C14,C16 ) 2 ) S13490-42 ) 1.0/35
C17 ) 1 ) S13490-39 ) 18/15
C20 ) 1 ) S13490-130 ) .27/50
CR1,CR2 ) 2 ) S14293-18 ) DPST RELAY
D1,D2,D8,D9 ) 4 ) T12705-44 ) DIODE 1000V/1A
D3,D4,D5,D6,D7,D15,D16,D18 ) 13 ) T12199-1 ) 1N4004
D20,D21,D22,D23,D24
DZ1,DZ3,DZ5,DZ6,DZ8,DZ10 ) 9 ) T12702-29 ) 1N4744A
DZ12,DZ13,DZ14
DZ2,DZ4,DZ9,DZ11 ) 4 ) T12702-40 ) 1N4735
DZ7,DZ15,DZ16 ) 3 ) T12702-19 ) 1N4742A
J10 ) 1 ) S20351-6 ) HEADER
OCI1,OCI3,OCI4 ) 3 ) S15000-22 ) OPTO ISOLATOR
Q1 ) 1 ) T12704-75 ) FET (SS)
Q2,Q3,Q4,Q5 ) 4 ) T12704-73 ) IC PKG MOSFET (SS)
R1,R2,R3,R4 ) 4 ) S24376-2 ) 40/10W
R5,R6,R7,R8,R15,R16,R17 ) 19 ) S19400-1001 ) 1K 1/4W
R18,R33,R37,R54,R55,R56
R57,R64,R65,R66,R67,R97
R9,R10,R11,R12,R13,R14,R19 ) 20 ) S19400-10R0 ) 10 1/4W
R20,R21,R22,R58,R59,R60
R61,R62,R63,R68,R69,R70
R23,R24,R25,R26,R34,R43 ) 10 ) S19400-1503 ) 150K 1/4W
R51,R53,R98,R107
R27 ) 1 ) S19400-1000 ) 100 1/4W
R28,R36,R38,R44,R47,R87 ) 10 ) S19400-2213 ) 221K 1/4W
R88,R96,R118,R119
R29,R30,R31,R32,R73,R74 ) 12 ) T14648-19 ) 1K 5W
R75,R76,R77,R78,R80,R81
R35 ) 1 ) S19400-3162 ) 31.6K 1/4W
R39,R46,R49,R91,R109 ) 5 ) S19400-1002 ) 10K 1/4W
R40 ) 1 ) S19400-2432 ) 24.3K 1/4W
R41 ) 1 ) S19400-5620 ) 562 1/4W
R42 ) 1 ) S19400-2801 ) 2.8K 1/4W
R45,R48,R94 ) 3 ) S19400-7681 ) 7.68K 1/4W
R50,R52,R101,R103 ) 4 ) S19400-6191 ) 6.19K 1/4W
R72,R79 ) 2 ) S19400-2001 ) 2.0K 1/4W
R82,R83,R84,R85 ) 4 ) S19400-1004 ) 1M 1/4W
R89,R90,R92 ) 3 ) S19400-2212 ) 22.1K 1/4W
R93 ) 1 ) S19400-1822 ) 18.2K 1/4W
R95 ) 1 ) S19400-4751 ) 4.75K
R99,R108 ) 2 ) S19400-3323 ) 332K 1/4W
R100 ) 1 ) S19400-1652 ) 16.5K 1/4W
R102,R110 ) 2 ) S19400-1502 ) 15K 1/4W
R104 ) 1 ) S19400-1372 ) 13.7K 1/4W
R105 ) 1 ) S19400-1821 ) 1.82K 1/4W
R106 ) 1 ) S19400-2941 ) 2.94K 1/4W
R111 ) 1 ) T12300-79 ) 1 WATT 1 OHM 1% RESISTOR
R112,R113 ) 2 ) S19400-2211 ) 2.21K 1/4W
R114 ) 1 ) S19400-4752 ) 47.5K 1/4W
R115 ) 1 ) T10812-41 ) 10K 1/2W TRIMMER
R116,R117 ) 2 ) S19400-3321 ) 3.32K 1/4W
T1 ) 1 ) S13000-46 ) TRANSFORMER
X1,X3 ) 2 ) S15128-4 ) IC,LM224,OP-AMP
X2 ) 1 ) S15128-10 ) IC,431,VOLTAGE REF.
R21
R19
C3
R16
R22
R18
DZ5
DZ6
DZ4
R14
X1
R41
D6
D5
R52
R34
Q1
DZ7
R27
R26
OCI1 R28
R38
D4
R6
R8
R10
R5
R7
R9
R11
C2
DZ1
DZ8
DZ2
R13
R49
R50
R53
R51
D7
R33
R24
R23
R25
D2
D1
D3
DZ15
DZ9
R97
R71
C11
R67
R70
R68
R69
R66
R65
R42
R48
R47
DZ3
R43
R37
DZ14
D9
CR2
CR1
C1
R15
R12
R64
R94
B203
B208
B202 B207
B201
B205
B206
B204
B209
C9
C12
C14
C16
C19
C20
DZ10
DZ11
DZ12
DZ13
DZ16
D15
D16
D18
D20
D21
D22
D23
D24
OCI3
OCI4
Q2
Q3
Q4
Q5
R54
R55
R56
R57
R58
R59
R60
R61
R62
R63
R72
R73
R74
R75
R77
R78
R79
R80
R81
R82
R83
R84
R85
R87
R88
R89
R90
R92
R93
R95
R96
R98
R99
R100
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110
R111
R112
R113
R114
R115
R116
R117
R118
R119
X3
R20
R44
C15
C5
C10
R45
R46
C18
R17
R39
C4
R76
R32
R29
R30
R31
D8
T1
X2
C8
C7
C13
R91
C17
C21
J10
G3440-1
POWER
A3
A4
A1
A2
R1
R2
R4
R3
PRO-CUT 80
C6
R35
R36
R40
G-7
Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC