Control Pc Board (G2588) Layout - Lincoln Electric IDEALARC SVM 122-A Service Manual

G-4

Control PC Board (G2588) Layout

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
G2588-1
J1
CONTROL DC400
R6
C2
C3
R113 J I
R155
R154
R16 R15
R151
R328
C6
R327 C5
R326
R114 SCR3 SCR2
R325
R324
R323
R322 C43 QU2
QU3
R321 OCI1
R320
R319 C40
R318 R112
R153 R27
R317 R28
D62
R316
C44
R81
R116
N Q2
X7
R117
R118 R147
R302
B
K
C39
X5
R150 D R144 D23
D22 R156
D29 D24
D79
C22
R131
R145
R120 R130
R64 R142
R143 R119 C67
R63
Q6 C16
R315 R121
D49 X4 R46
D82
C34 D30
R105 R94
R47
R91
R104
R129
C26 DZ8 R48
R90
R103
R123
C25 D54
D60
D59
DZ6
R80
Q1
R128
R37
R127
C32
D46 C33
D56
R149 R148
D48
X6 D37
G R56 D57
D31 D36
R55
R38
C24
R57 D64 R62
C31
D52
R66
R65 R60
D51 R61
D55 X3
C60 C61 C35
C15
C19
E M
A R58 R89
R82
R59 R137
R88
D63
R83
R139 C23
C36
D50 C56 Q8
C20
J3 J2
R1
H
R4
C4
SCR1
QU1
R26
R78 R79
C
R75
C18
R74
C17
R305
R72
R67
X1 C68
R68
R52
R76
R54
Q4 Q3
R69
R53
D27 R49
DZ7 D28
R50
R138 R51
R71
R304
R109
R303
D45 R301
R44
R70
D58 D44
R97
R107 D42
Q5 C30
C51
R300
R96
C58
D53
D43
R110
F
R111
R106
X2
D41
C57
G-4
IDEALARC DC400