Power P.c. Board Assembly (G3172-1 - Lincoln Electric PRO-CUT 55 Service Manual

G-12

Power P.C. Board Assembly (G3172-1)

1 R C
B209
R10
R31
R30
R29
R8 R7
B205
R25
R5
R4
R3
R2
C1
R80
DZ2
DZ3
DZ7
B208
R79
C5
R21
R22
D9
R23
R24
R26
R6
PRO-CUT POWER
R27
G3172-1
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.
ELECTRICAL DIAGRAMS
J10
OCI2
R60
R57 D12
X2
R40
D4
R51 R50
R52
D3
R55 B201
R53
D5
R56
D2
R36
R35 R37
R39
C7
R34
DZ12
R62
R75
R81
R76
R64
R65
R66
R63
C11
R46
DZ13
DZ14
Q1
R54
R98
R86
R28
C14 D13
D14
R93 R83
R94 R87
R38 R78
DZ10
R33 R90
R67
R85
D6
R84 C8
R95
R88 R45
R89
R92 R44
R91 R43
R42
R97
R82
C13
ITEM
C1,C5,C8,C11 )))
C2,C6,C9,C12 )))
C3,C4,C14 )))
C7 )))
C10 )))
C13 )))
CR1 )))
D1,D2,D3,D4,D5,D6,D7,D12 ))
D13,D14
D8,D9,D10,D11 )))
1 T
DZ1,DZ5,DZ9,DZ12 ))
DZ2,DZ3,DZ6,DZ7,DZ8,DZ10
DZ11,DZ13,DZ14
DZ4 )))
J10 )))
R69
OCI1,OCI2 )))
Q1 )))
Q2 )))
R1,R6,R20,R25,R41,R46,R62 ))
R67,R79,R80,R81,R82
R2,R3,R4,R5,R21,R22,R23 ))
R24,R42,R43,R44,R45,R60
R63, R64,R65,R66
R7,R8,R26,R27,R47,R48,R68
R69
R10,R11,R12 )))
R13,R14,R15,R16,R34,R35 ))
R50,R51,R83,R86
R17 )))
)))
R18,R77
R19 )))
R28 )))
R29,R30,R31,R32,R71,R72 ))
R73,R74
R33,R38,R58 )))
R36,R52,R89,R90 ))
R37,R55,R91,R92 ))
R39,R53 )))
R40,R56,R84,R87 ))
R54 )))
B204
R57,R59,R85,R88 ))
)))
R61
R75 )))
R76,R98 )))
R78 )))
R93 )))
R94 )))
R95,R96 )))
R97 )))
T1 )))
X1 )))
)))
X2
X3 )))
REQ'D PART NO IDENTIFICATION
4 ) S16668-6 )) 4700pF/50
4 ) S20500-4 )) .0047/1000V
3 ) S16668-5 )) .022/50
1 ) S13490-93 )) 27/35
1 ) S16668-9 )) 150pF/100
1 ) S13490-130 )) .27/50
1 ) S14293-18 )) DPST RELAY
10 ) T12199-1 )) 1N4004
4 ) T12705-44 )) DIODE 1000V/1A
4 ) T12702-40 )) 1N4735
)) 9 ) T12702-29 )) 1N4744A
1 ) T12702-19 )) 1N4742A
1 ) S20351-6 )) HEADER
2 ) S15000-22 )) OPTO ISOLATOR
1 ) T12704-75 )) FET (SS)
1 ) T12704-73 )) IC PKG MOSFET (SS)
12 ) S19400-10R0 )) 10 1/4W
17 ) S19400-1001 )) 1K 1/4W
)) 8 ) T14648-21 )) 2.7 OHM 5W
3 ) T14649-4 )) 100 10W
10 ) S19400-1503 )) 150K 1/4W
1 ) S19400-1000 )) 100 1/4W
) ))
2 S19400-1821 1.82K 1/4W
1 ) S19400-2673 )) 267K 1/4W
1 ) T10812-41 )) 10K 1/2W TRIMMER
8 ) T14648-12 )) 1500 OHM 5 WATT RESISTOR
3 ) S19400-3321 )) 3.32K 1/4W
4 ) S19400-6191 )) 6.19K 1/4W
4 ) S19400-1502 )) 15K 1/4W
2 ) S19400-1652 )) 16.5K 1/4W
4 ) S19400-3323 )) 332K 1/4W
1 ) S19400-1372 )) 13.7K 1/4W
4 ) S19400-1002 )) 10K 1/4W
) ))
1 S19400-2213 221K 1/4W
1 ) S19400-5620 )) 562 1/4W
2 ) S19400-2801 )) 2.8K 1/4W
1 ) S19400-2001 )) 2.0K 1/4W
1 ) S19400-4751 )) 4.75K
1 ) S19400-4752 )) 47.5K 1/4W
2 ) S19400-2211 )) 2.21K 1/4W
1 ) T12300-79 )) 1 WATT 1 OHM 1% RESISTOR
1 ) S13000-46 )) TRANSFORMER
1 ) S15128-10 )) VOLTAGE REF.
) ))
1 S15128-4 LM224 OP-AMP
1 ) S15128-18 )) QUAD-OP AMP
G-12
G3172-1
10-31-97E
PRO CUT 55