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ELECTRICAL DIAGRAMS
G-4 G-4
IDEALARC CV-400
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IDENTIFICATION
PART No.
REQ’D.
ITEM
J1 J2 J3
QU3
R3
D3
D6
D9
D12
D15
D18
DZ3
R87
R19
R162
R165
R28
R171
R16
R168
R6
R9
R13
R31
SCR3
C9
C12
R22
C3
C6
R114
D67
QU2
R2
D2
D5
D8
D11
D14
D17
DZ2
R86
R18
R161
R164
R27
R170
R15
R167
R5
R8
R12
R30
SCR2
C8
C11
R21
C2
C5
R113
QU1
R1
D1
D4
D7
D10
D13
D16
DZ1
R10
R17
R160
R163
R26
R169
R14
R166
R4
R7
R11
R29
SCR1
C7
C10
R20
C1
C4
R112
D65
D68
D66
D69
D70
D71
D72
D73
R40
R41
R148
DZ10
C43
C40
X5
D74
DZ9
C41
DZ5
Q2
D19
D20
D21
R172
R173
R174
D82
D81
R151
D75
D76
D77
D78
DZ13
DZ12
R152
OCI1
R153
C44
R115
D62
R93
D22
D23
D80
R143
R144
R142
R145
R146
R140
X3
R81
R78
R79
R56
R156
R157
R158 R159
D41
D42
C38
C37
R43
R36
R35
R39
R37
R38
X1
R124
D31
X2
R77
C18
C17
D34
D35
D33 D32
R76
R75
R51
R50
R70
R71
Q8
D37
D40
D47
D48
D49
D50
D51
D52
D55
D63
D79
R82
R89
R99
R58
R61
R95
R135
R155
R154
R88
R94
R60
R64
R83
R91
R98
R57
R59
R62
R137
R90
R134
R139
C19
C30
C31
R63
C15
C20
C22
C24
C36
C23
G2629-1 CV400 / CV500-I CONTROL
C39
D83
R175
C46
DZ14
R149
R150
R177
R178
R179
R180
R181
R182
R183
R184
R185
R186
R187
R188
R189
R176
C35
L
K
G
E
M
D
A
N
H
I
J
R141
C45
R190
X4
R191
R193
R192
Control PC Board (G2629-1) 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.