Lincoln Electric SVM129-B service manual Schematic Power PC Board All Codes M16018, 01816

G-12	ELECTRICAL DIAGRAMS	G-12
Schematic - Power PC Board - All Codes - (M16018)

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01816 M

P7 5 J7

18Vac

FROM AUXILIARY

TRANSFORMER

P7 6 J7

D1

TP1

50V

15J

D2

1.0 5W R44 .25

R1

+ t

D3

C1

3300

50V

D4

	D5
IN	X1	OUT
LM350
ADJ
C2		R3
		243
K76	2R
.2

+15V

K001 R5 K010 R6

50K	R4
1.

C3

150

50V

J7	J6	J6	J6
3	6	8	3

267

R7

267

R8

DZ5

12V

1W

J6 J7

11

R69

+ t

.24

DZ4

12V

1W

Vin + Vc

OUT

X67 GND INV IN

N.I. IN

Vin + Vc

OUT

X68 GND INV IN N.I. IN

	D15	D16
C8	1.0A
		1.0A
0.1	30V		TO PULSE
		30V
50V	F
		TRANSFORMER
		J7	P7
			8
		J7	P7
	E		7
C9	D7	D6
0.1	1.0A	1.0A
50V	30V	30V

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P7

P6

P6

P6

P6

P7

TO

TO

PWM

PWM

TO

TO

PILOT

CONTROL

SIGNAL

SIGNAL

CONTROL

PILOT

+24V

LIGHT

BOARD

BOARD

LIGHT

(+)

(+15V)

(COM)

(-)

+24V

0K15

J7

P7

9R

2

D

10K

R41

B

D14

RELAY COILS

475K

J7

P7

1N4936

267K

10K

R12

4

D

R20

DZ6

5

Q5

R42

R11

33.2K

33.2K

D13

10K

6.2V

1W

100

7

G

10

J6

P6

J14

Q40

100

X4

R15

IRF513

R17

R19

2.21K

1

R43

6

8

2

600mA

C5

DZ1

S

X4

R21

40V

1

5

R10

100K

39

15V

R16 33.2K

C6

9

R18

FROM PROTECTION BD.

C14

20V

1W

26.7K

1.8

OCI1

CONTROL

20V

CNY17-3

TRIGGER

J14

2

COM

2

6

4

COM

3

J14

COM

+24V

22

100K

33.2K

+24V

R

J6

P6

J14

4

A

R13

COM

7

D12

NOTES :

R14

15.0K

P6

J6

D8

D10

+24V

N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE

5

IN

X5

OUT

WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS

P6

J6

3

DIAGRAM MAY NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS

COM

4

LM350

HAVING A COMMON CODE NUMBER.

4

1

5.11K

X4

TP2

C10

C11

5R2

24Vac

2

GENERAL INFORMATION

50V

ADJ

LAST NO. USED

15J

500

R24

C7

X4

P6

J6

50V

UNUSED

ELECTRICAL SYMBOLS PER E1537

R-

69

9

267

12

75K.

3R2

LM224

CAPACITORS =

MFD ( .022/50V

UNLESS OTHERWISE SPECIFIED)

C-

14

P6

J6

C

14

LABELS

D-

16

DZ- 6

10

X4

RESISTORS = Ohms (

1/4W UNLESS OTHERWISE SPECIFIED)

D9

D11

4

DIODES =

1A, 400V

(UNLESS OTHERWISE SPECIFIED)

11

13

SUPPLY

VOLTAGE NET

COM

COM

COM

POWER SUPPLY SOURCE POINT

COMMON CONNECTION

1

J14 2

1

J7

4

1

J6

5

FILENAME: M16018_6JA

FRAME CONNECTION

EARTH GROUND CONNECTION

UNLESS OTHERWISE SPECIFIED TOLERANCE

Ch'ge.Sht.No.

4-13-95C

THE LINCOLN ELECTRIC CO.

EQUIP.

INVERTEC

3

4

5

8

6

10

ON 2 PLACE DECIMALS IS + .O2

3-22-91

3-29-96L

TYPE

ON HOLES SIZES PER E-2056

CLEVELAND, OHIO U.S.A.

POWER BD SCHEMATIC

ON ALL ANGLES IS + .5 OF A DEGREE

9-11-92B

9-27-96F

SUBJECT

ON 3 PLACE DECIMALS IS + .OO2

MATERIAL TOLERANCE ("t") TO AGREE

6-25-93A

10-25-96

SCALE

NONE

SHT.

M 16018

WITH PUBLISHED STANDARDS

9-24-93D

DR. MJH

DATE

11/10/92

CHK.

SUP'S'D'G.

NO.

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

INVERTEC STT & STT II

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.