Lincoln Electric SVM144-B service manual Display PC Board Assembly L10952-1, Lincoln Electric CO

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G-9 ELECTRICAL DIAGRAMS G-9

DISPLAY PC BOARD ASSEMBLY - (L10952-1)

ASSEMBLY

L 10952-1

BD.

SHT. NO.

POWER MIG 255

STANDARD DISPLAY P.C.

SUP’S’D’G

EQUIP. TYPE

SUBJECT

REF.

THE LINCOLN ELECTRIC CO.

CLEVELAND, OHIO U.S.A.

CHK

ITEM

REQ’D

PART NO.

IDENTIFICATION

-98

C1

1

S13490-25

4.7/35

SCALE FULL

5-20

DATE

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

R.T.

DISP1,DISP2,DISP3,DISP5

6

S17395-2

DISPLAY

DR

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)

~.04

Ch’ge. Sht. No.

3-12-99

4-28-2000D

1.64

XA

A B

1.44

L10952-1

DISPLAY

DISP3

DISP2

DISP1

X4

DISP7

DISP6

DISP5

X3

X5

C8

R12

R9

C9

D1 C1

R6

J10

X1

.49

R14

R4 R13

R3

R2

R1

R5 R10

R7

R8

R11 C7

C10

LED3

C4

C2

C3

0

~.04

0

5.80

.20

2.90

5.60

L 10952-1

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.	POWER MIG 255