Starting Pc Board (M14520) Schematic; General Information - Lincoln Electric IDEALARC SVM 122-A Service Manual

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Starting PC Board (M14520) Schematic

GENERAL INFORMATION

ELECTRICAL SYMBOLS PER E1537
CAPACITORS = MFD/VOLTS
RESISTORS = OHMS,1/4 WATT (UNLESS OTHERWISE SPECIFIED)
DIODES = 1 AMP/400 VOLT (UNLESS OTHERWISE SPECIFIED)
OP AMPS = LM124 (UNLESS OTHERWISE SPECIFIED)
31 J6
4
32
J6
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
= COMMON CONNECTION
D2
5W
1N4007
1.50K
2500
R1
1.00K
50V
160J
50
320V
C1
TP2
R2
1N4007
5W
D1
2500
J6 J6
5 3
215 216
11-17-95G
228
2
J6
10W
100
2
1
D3 D4
SCR1
SBS1
4A
7.5-9.0V
400V
MT1
MT2
R4
G
1.00K
D7
2
SCR2
55A
400V
3 1
D5
38J
130V
TP1
D6
J6
6
218
IDEALARC DC400
START SCHEMATIC
S 19686
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IDEALARC DC400