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DIAGRAMS
G-8 G-8
RANGER 9 RANGER 9
NOTE: Lincoln Electric assumes no responsibility for liabilities resulting from board level troubleshooting. PC
Board repairs will invalidate your factory warranty. This Printed Circuit Board schematic is provided for
reference only. It may not be totally applicable to your machine’s specific PC board version. This dia-
gram is intended to provide general information regarding PC board function. Lincoln Electric discour-
ages 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 dam-
age to the machine.
CONTROL PC BOARD (L9062) COMPONENTS
X7 IC-VOLT REF,ADJ,PRECISION,431I
X4 IC-VOLT REG,ADJ,3-T,(+),A
X3 IC-CMOS,TIMER,PROGRAMMABLE,4536
X1 IC-OP-AMP,QUAD,GEN-PURPOSE,224N
TP2 MOV-130VRMS,38J,14MM
TP1 MOV-50VRMS,15J,14MM
R93,R94 RESISTOR-MF,1/4W,75.0,1%
R83 RESISTOR-CC,1/2W,5.1,5%
R71 RESISTOR-MF,1/4W,332,1%
R67 RESISTOR-WW,5W,390,5%,SQ
R65 RESISTOR-MF,1/4W,681K,1%
R64 RESISTOR-MF,1/4W,52.3K,1%
R62 RESISTOR-MF,1/4W,15.0K,1%
R60 RESISTOR-MF,1/4W,39.2K,1%
R58 RESISTOR-MF,1/4W,100K,1%
R56,R72 RESISTOR-MF,1/4W,1.00K,1%
R55 RESISTOR-MF,1/4W,1.82K,1%
R53,R79 RESISTOR-MF,1/4W,6.81K,1%
R69,R70 R48,R49, RESISTOR-MF,1/4W,475,1%
R50,R51,R52,R68
R40,R41,R44,R45 RESISTOR-MF,1/4W,47.5,1%
R37,R90 THERMISTOR-PTC,56 OHMS,90MA
R35,R36,R86,R91 RESISTOR-MF,1/4W,68.1,1%
R32 RESISTOR-MF,1/4W,6.19K,1%
R22,R31,R59,R61 RESISTOR-MF,1/4W,26.7K,1%
R20,R27 RESISTOR-MF,1/4W,47.5K,1%
R19,R30 RESISTOR-MF,1/4W,133K,1%
R89 R18,R26, RESISTOR-MF,1/4W,10.0K,1%
R39,R54,R63,R66
R15 RESISTOR-MF,1/4W,2.00K,1%
R12,R13 RESISTOR-WW,5W,20,5%,SQ
R11 RESISTOR-MF,1/4W,13.7K,1%
R10 RESISTOR-MF,1/4W,33.2K,1%
R5,R6,R21,R38 RESISTOR-MF,1/4W,3.32K,1%
R4 RESISTOR-CC,2W,4.7K,10%
R82,R88,R92 R2,R42,
R43,R46,R47,R57,R81
R1,R3 RESISTOR-MF,1/4W,100,1%
Q5,Q6 TRANSISTOR-NMF,T220,18A,200V,IRF6
Q3 TRANSISTOR-P,T226,0.5A,40V,2N4403
Q2 TRANSISTOR-P,T226,0.5A,300V,MPS-A92
Q1 TRANSISTOR-NMF,4PDIP,1A,100V,RFD110
J2 CONNECTOR,MOLEX,MINI,PCB,12-PIN
J1 CONNECTOR,MOLEX,MINI,PCB,8-PIN
DZ11 ZENER DIODE-1W,18V,5%,1N4746A
DZ9 ZENER DIODE-1W,10V,5%,1N4740A
DZ6 ZENER DIODE-5W,20V,5%,1N5357B
DZ5 ZENER DIODE-1W,75V,5%,1N4761A
DZ4,DZ8,
DZ10,DZ12 ZENER DIODE-1W,15V,5%,1N4744A
DZ1 ZENER DIODE-5W,10V,5%,1N5347B
D31,D36 DIODE-AXLDS,1A,1000V
D30 DIODE-AXLDS,3A,200V,1N5402
D24 DIODE-FR,T220,14A,200V,MUR1520
D18,D19,D42 DIODE-AXLDS,3A,600V,1N5406
D16,D17,D20,D22, DIODE-AXLDS,1A,400V,FR,1N4936
D25,D26,D27
D1,D2,D3,D4,D7,D8,D11,D14 DIODE-AXLDS,1A,400V
D21,D28,D29,D32,D35,D37
D38,D39,D40,D41
C22,C34,C39 CAPACITOR-CD,.05,600V,+80/-20%
C19 CAPACITOR-PEMF,.047,100V,10%
C18 CAPACITOR-ALEL,100,50V,+75/-10%
C16,C23,C35 CAPACITOR-TAEL,18,15V,10%
C12,C37,C38 CAPACITOR-TAEL,1.8,20V,10%
C10,C11,C15,C17 CAPACITOR-CEMO,0.1,50V,10%
C7,C8,C9 CAPACITOR-CD,.0047/.005,1400V,20%
C6 CAPACITOR-ALEL,100,15/16V,+75/-10%
C2 CAPACITOR-CEMO,820P,50V,5%
C1,C13,C14,
C29,C30,C31,C32 CAPACITOR-CEMO,.022,50V,20%
C33