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SQUARE WAVE TIG 255
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NOTE: Lincoln Electric assumes no responsibility for liabilities resulting from board level troubleshooting. PC Board
repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not avail-
able 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.
PROTECTION/SNUBBER BOARD (L9255)
C23,C24,C25,C26 CAPACITOR-CEMO,4700P,50V,10%
J15 CONNECTOR,MOLEX,MINI,PCB,6-PIN
J14 CONNECTOR,MOLEX,MINI,PCB,8-PIN
L1,L2,L3,L4,L5,L6,L7, CHOKE-390UH,5%,225MA,CONFORMAL
L8,L9,L10,L11
R1,R2,R3,R4 RESISTOR-CC,2W,47,10%
J11 CONNECTOR,MOLEX,MINI,PCB,10-PIN
J10 CONNECTOR,MOLEX,MINI,PCB,12-PIN
J12 CONNECTOR,MOLEX,MINI,PCB,14-PIN
J13 CONNECTOR,MOLEX,MINI,PCB,16-PIN
C1,C2,C3,C4,C5,C6, CAPACITOR-CD,.0047,3000V,20%
C7,C8,C9,C10,C11,
C12,C13,C14,C15,
C16,C17,C18,C29
C19,C20,C21,C22 CAPACITOR-PEF,0.68,400V,10%
L12,L13,L14,L15,L16 CHOKE-RF,390UH,10%,1A,SLEEVED
TP1,TP2,TP3,TP4 MOV-150VRMS,45J,14MM
TP5 MOV-320VRMS,160J,20MM
C27,C28 CAPACITOR-PEF,0.1,400V,10%
R5,R6 RESISTOR-MF,1/4W,26.7,1%
Item Identification