Lincoln Electric SVM154-A service manual Board

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PC

G-8

NOTE: Lincoln Electric assumes

BOARD

machine.

vided for reference only.

1-10139 L

ITEM

REQ’D

PART NO.

IDENTIFICATION

ASSEMBLY-DISPLAY

C 1 , C 2 , C 3 , C 4 , C 9 , C 1 0

6

S 1 6 6 6 8 - 1 1

. 1 / 5 0

C 5 , C 6 , C 7

3

S 1 6 6 6 8 - 6

4 7 0 0 p F / 5 0

C 8 , C 1 1

2

S 1 3 4 9 0 - 2 5

4 . 7 / 3 5

D 1 , D 2

2

T 1 2 1 9 9 - 1

1 N 4 0 0 4

D I S P 1

1

S 1 7 3 9 5 - 1

D I S P L AY

D I S P 2 , D I S P 3 , D I S P 4 , D I S P 5

7

S 1 7 3 9 5 - 2

D I S P L AY

D I S P 6 , D I S P 7 , D I S P 8

Lincoln Electric discourages board level troubleshooting

no responsibility for liablilities resulting from board level

J 1 0

1

S 2 0 3 8 0 - 9

H E A D E R

J 1 1

1

S 2 0 3 8 0 - 8

H E A D E R

L E D 1 , L E D 2 , L E D 3 , L E D 4 , L E D 5

2 3

T 1 3 6 5 7 - 6

R E D L E D

L E D 6 , L E D 7 , L E D 8 , L E D 9 , L E D 1 0

L E D 1 1 , L E D 1 2 , L E D 1 3 , L E D 1 4

L E D 1 5 , L E D 1 6 , L E D 1 7 , L E D 1 8

L E D 1 9 , L E D 2 0 , L E D 2 1 , L E D 2 2

L E D 2 3

R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 2 7

8

S 1 9 4 0 0 - 1 0 0 1

1 K 1 / 4 W

R 9 , R 1 0 , R 1 1 , R 1 2 , R 1 3 , R 1 4 , R 1 5

1 2

S 1 9 4 0 0 - 4 7 5 0

4 7 5 1 / 4 W

R 1 7 , R 1 8 , R 1 9 , R 2 0 , R 2 6

R 2 3 , R 2 4 , R 2 5

3

S 1 9 4 0 0 - 1 0 0 2

1 0 K 1 / 4 W

R 2 8 , R 2 9 , R 3 0 , R 3 1

4

S 1 9 4 0 0 - 1 5 0 1

1 . 5 K 1 / 4 W

R 3 2 , R 3 3 , R 3 4 , R 3 5 , R 3 6 , R 3 7

8

S 1 9 4 0 0 - 1 0 0 0

1 0 0 1 / 4 W

R 3 8 , R 3 9

X 1 , X 2

2

S 1 5 1 2 8 - 5

+ 5 V R E G .

X 3

1

S 1 7 9 0 0 - 1 0

X 4

1

S 1 7 9 0 0 - 8

X 5 , X 6 , X 7 , X 8

4

S 2 0 4 9 6 - 1

1

and repair since

troubleshooting.

8.35 ±.04

8.35

D. H. DISPLAY

8.10

L10139-1

DISP1

C3

X5

DISP2

DISP3

DISP4

7.35

R28

7.05

R23

R24

it may compromise the quality of the design and may result in danger to

PC Board repairs will invalidate your factory warranty. Individual Printed

R25

R19

C7

LED1

LED2

ELECTRICAL DIAGRAMS

C4

X6

LED3

LED4

LED5

LED6

LED7

DISP5

DISP6

DISP7

DISP8

R29

6.00

R17

R18

C5

5.75

C6

C2

X4

C10

X7

8.09

8.35 ±.04

LED8

LED9

C1

X3

LED10

CAPACITORS = MFD/VOLTS

R11

R3

RESISTORS = OHMS, 1/4 WATT (UNLESS OTHERWISE SPECIFIED)

LED11

R10

R2

R9

R1

R26

R27

R15

R7

C9

R31

R14

R6

LED12

X8

R13

R5

R12

R4

LED18

R20

R30

LED13

LED19

LED14

C8

X2

C11

X1

LED20

LED15

LED21

D1

D2

LED16

LED22

R36 R37 R38 R39

R35 R34

R33

R32

N.D.

LED23 J10

LED17

0.25

J11

the Machine Operator or Technician.

Circuit Board Components are not

0

0.25

3.80

0

4.05

MAKE PER E1911

ENCAPSULATE WITH E1844

TEST PER E3670-DP

Improper PC board repairs could

available from Lincoln Electric.

result in damage

This information

Ch’ge. Sht. No.

EQUIP.

DUAL FEEDERS

XA

THE LINCOLN ELECTRIC CO. TYPE

5-2-97

CLEVELAND, OHIO U.S.A.

SUBJECT

DISPLAY P.C. BOARD

11-20-98G

SCALE FULL

SHT.

1-21-2000B

DR MJH

DATE 7/24/96

REF. L9122-1

CHK

SUP’S’D’G

NO. L 10139-1

to the

is pro-

LN-10

G-8