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ELECTRICAL DIAGRAMS
POWER MIG 255
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DISPLAY PC BOARD ASSEMBLY - (L10952-1)
10952-1
Ch’ge. Sht. No.
XA
3-12-99
A
B
POWER MIG 255
R.T.
FULL
10952-1
5-20-98
THE LINCOLN ELECTRIC CO.
CLEVELAND, OHIO U.S.A.
EQUIP.
TYPE
SCALE
SUBJECT
DR
DATE
CHK
REF.
SUP’S’D’G
SHT.
NO.
L
L
IDENTIFICATION
PART NO.
REQ’DITEM
.49
0
5.80
~.04
.20
0
STANDARD DISPLAY P.C. BD. ASSEMBLY
1.44
1.64
~.04
5.60
2.90
C1 1 S13490-25 4.7/35
C2 1 S13490-39 18/15
C3,C4,C10 3 S16668-11 .1/50
C7,C8,C9 3 S16668-6 4700pF/50
D1 1 T12199-1 1N4004
DISP1,DISP2,DISP3,DISP5 6 S17395-2 DISPLAY
DISP6,DISP7
J10 1 S20380-8 RT ANGLE HEADER
LED3 1 T13657-6 RED LED
R1,R2,R3,R4,R13,R14 6 S19400-2210 221 1/4W
R5,R6,R7 3 S19400-1002 10K 1/4W
R8,R9,R10 3 S19400-4750 475 1/4W
R11,R12 2 S19400-1501 1.5K 1/4W
X1 1 S15128-5 +5V REG.
X3,X4 2 S20496-1 IC,MC14489,CMOS,DRIVER,LED,CC,MCU(SS)
X5 1 S17900-8 14 PIN I.C. (SS)
DISPLAY
L10952-1
DISP1 DISP2 DISP3 DISP5 DISP6 DISP7
C1
X1
R10
C9
X5
R9
R5
R6
R7
R8
C8
D1
X3
X4
R12
R11
C10
C4
C3
C2
R1
R2
R13
R3
R4
R14
J10
C7
LED3
4-28-2000D
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.