Electrical diagrams – Lincoln Electric IDEALARC SVM 122-A User Manual
Page 112
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ELECTRICAL DIAGRAMS
IDEALARC DC400
Starting PC Board (M14520) Layout
IDENTIFICATION
PART NO.
REQ'D
ITEM
C1
D1, D2
D3, D4, D5, D6, D7
R1, R2
R3, R5
R4
R6
SCR2
SCR1
TP1
SBS1
TP2
1
1
1
1
1
1
2
5
2
2
1
1
S13490-72
S15161-19
S19400-1001
S19400-1501
T12199-1
T12199-2
S20630-1
T13640-12
T13640-18
T14648-9
T14649-4
T14805-1
50/50
4A, 400V SCR
1.5K 1/4W
1N4007
38J
160J
5W/2500 OHM RESISTOR
100 10W
SCR HEAT SINK AS'BLY
SILICON BILATERAL SWITCH
1N4004
1K 1/4W
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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.