Firing Pc Board - Lincoln Electric Idealarc DC600 9773MSP Service Manual

Identification
C1,C2,C3,C4,C5,C6,C7, . . . . .CAPACITOR-PEMF,0.15,200V,10%
C8,C9,C10,C11,C12
SCR1,SCR2,SCR3,SCR4,SCR5, . . . . .SCR-T202,4A,400V,C106D
SCR6*
C13,C14,C15,C16,C17,C18 . . .CAPACITOR-CEMO,.022,50V,20%
C19,C20,C21,C22,C23,C24
C25,C26,C27
J5 . . . . . . . . . . . . . . . . .CONNECTOR,MOLEX,MINI,PCB,12-PIN
J4 . . . . . . . . . . . . . . . . . .CONNECTOR,MOLEX,MINI,PCB,6-PIN
R16,R17,R18,R19,R20,R21 . . . . .RESISTOR-MF,1/4W,1.00K,1%
R22,R23,R24,R25,R26,R27 . . . . . . .RESISTOR-MF,1/4W,150,1%
R34,R35,R36,R37,R38,R39
R40,R41,R42 . . . . . . . . . . . . . . . .RESISTOR-MF,1/4W,1.50K,1%
R28,R29,R30,R31,R32,R33 . . . . . . .RESISTOR-MF,1/4W,267,1%
R52,R53,R54
R46,R47,R48 . . . . . . . . . . . . . . . .RESISTOR-MF,1/4W,2.67K,1%
R55,R56,R57 . . . . . . . . . . . . . . . .RESISTOR-MF,1/4W,26.7K,1%
R64,R65,R66 . . . . . . . . . . . . . . . . .RESISTOR-MF,1/4W,332K,1%
R43,R44,R45 . . . . . . . . . . . . . . . . . .RESISTOR-MF,1/4W,475,1%
R49,R50,R51 . . . . . . . . . .TRIMMER-ST,1/2W,100K,10%,LINEAR
D7,D8,D9,D22,D23,D24,D25 . . . . . . . . . .DIODE-AXLDS,1A,400V
D26,D27,D28,D29,D30,D31
D32,D33,D34,D35,D36,D37
D38,D39
D1,D2,D3,D4,D5,D6,D10,D11 . . . . . . . .DIODE-AXLDS,1A,1000V
D12,D13,D14,D15,D16,D17
D18,D19,D20,D21
R1,R2,R3,R4,R5,R6 . . . . . . . . .RESISTOR-WW,20W,250,5%,SQ
DZ1,DZ2,DZ3 . . . . . . . . . . .ZENER DIODE-1W,20V,5%,1N4747A
TP1,TP2,TP3 . . . . . . . . . . . . . . . . . . . .MOV-150VRMS,45J,14MM
LED1,LED2,LED3,LED4,LED5 . . . .LED-T-1 3/4,RED,HLMP-3003
LED6,LED7,LED8,LED9
R58,R59,R60,R61,R62,R63 . . . . . . .RESISTOR-CC,1/2W,5.1,5%
R10,R11,R12,R13,R14,R15 . . . . . . . .RESISTOR-CC,1/2W,82,5%
R7,R8,R9 . . . . . . . . . . . . . . . . . .RESISTOR-WW,5W,1.5K,5%,SQ
J6 . . . . . . . . . . . . . . . . . .CONNECTOR,MOLEX,MINI,PCB,4-PIN
J7 . . . . . . . . . . . . . . . . . .CONNECTOR,MOLEX,MINI,PCB,8-PIN
QU1,QU2,QU3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUT-2N6027
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 dis-
courages 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
FIRING PC BOARD (G1486-5 AND ABOVE)
Item
G-4
IDEALARC-600