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ELECTRICAL DIAGRAMS
LN-742
L9122 DISPLAY BOARD LAYOUT
IDENTIFICATION
PART NO.
REQ'D
ITEM
CAPACITORS = MFD/VOLTS
RESISTORS = OHMS, 1/4 WATT (UNLESS OTHERWISE SPECIFIED)
L9122-[ ]
R2
R10
R25
R24
R23
R22
R21
R20
R19
R18
R17
R15
R14
R13
R12
R11
R9
R7
R6
R5
R4
R3
R1
C4
C3
C2
C1
C7
C6
C5
C8
D1
X3
X2
X5
X4
DISP4
DISP3
DISP2
DISP1
LED12
LED11
LED4
LED3
LED2 LED9
LED7
LED6
LED5
LED10
J10
J11
X1
DISPLAY
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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.