Lincoln Electric SVM156-A service manual Schematic Chopper PC Board, 14 to 22 Vac

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G-6 ELECTRICAL DIAGRAMS G-6

SCHEMATIC - CHOPPER PC BOARD

ENETPLYLTAGSUPVO

POINTCESOUR LYSUPP REW PO

ECTIONNCON DNU GROEARTH

BCP REOPP HC ,IC HEMATC

ll340

27DZ1R-

NECTIONNO CMON MOC

NIO ECTNN COE AMFR

SELDER WINVERTER

L

LAST NO. USED

23C-

7

SHT. NO.

+15

+15

+15

+15

LABELSD-

IN

X4

OUT

R1

D1

D2

14

S

.'S'D'G

16

1

8

GND

1

VS

VS

C20

C21

X3

UPS

J10

+ t

C1

C2

C3

C6

C7

C8

C9

C10

1.0

0.1

14 to 22 Vac

X1

X2

)

.24

63V

50V

4093B

MFDPECIFIEDISES=HERWITORSVSOTCAPAC022/50UNLES(.

S.A.U.OHIO,CLEVELANDJECTSUB

500

50

0.1

1.0

0.1

1.0

0.1

0.1

MIC4451BN

4

50V

25V

50V

63V

50V

MC14538B

63V

50V

50V

IFIED)PEC(WISES=OhmsRSOTHERRESISTO1/4WUNLESS

.

QUIP PEY

J10

GND

GND

7

8

4

5

E T

D3

D4

)IEDSPECIFISEOTHERWS=ESSDIODE1A,400V(UNL

K.J.

.KH C

5

com

J10

com

com

com

.CO ELECTRICLINCOLN THE

2

735 1E REP SLO BMY SL AIC RTC ELE

ENON

3-3-99

J10

ATIONINFORM LNERA EG

FILENAME: L11340-1CA

EDAT

LESCA JLJ

.DR

+15

.

From Bridge

CO

R9

ELECTRICLINCOLNTHENOFSIOPERMISSSEEXPRETTHUWITHORUSEDODISCLOSEDDUCED,ROBEREPTOISNOTAND

EDO CMON MOC AING VAH TROLSON COF YRCUITR IC RO ENTSON PCOM CTXA ETHE WOSH TON

301

MAYAM DIAGRIS HT ,ARD BOMPLETE OC AF OY ITILAB EGAN HINTERC THEECTING FAF TITHOU W

R10

3

D5

301

20

17

14

11

8

5

2

RST

1

8

VS

VS

1.0A

R11

C1

C2

C3

C4

C5

C6

C7

X2

30V

19

5

B

X1

/Q

7

2

IN

OUT

7

301

G1

16

4

A

Q

6

2K7.5K334

3

NC

OUT

6

R12

G2

A1

EGHAN CMAY RDABO ITCIRCU INTEDPR AN ORY ITCIRCU ORTS NONE COMPCE INS .A. N

CO.CTRICNELEINCOLLTHEBYEDOWNINFORMATIONPROPRIETARYSCONTAINETSHETHIS

T1

T2

5

13

4

5

G3

1

2

R

GND

GND

301

C18

10

MIC4451BN

G4

40N60B3

7

.47

R13

G5

630Vdc

4

301

G6

DZ1

D6

5K7.4

1

G7

8R

R14

15V

1.0A

E2

E3

E4

E5

E6

E7

C14

E1

1W

30V

301

21

18

15

12

9

6

3

.0047

R15

To STT Output

2000-11 -2

50V

Ch'ge.Sht.No.

AX

301

com

com

+15

ELERANC TOD IEIF SPECTHERWISE OESS NLU

O2O. +IS ECIMALSD EAC PL3 ON

EEEGR DA OF5 .+ ISES LANG ALLON

RDSASTAND PUBLISHEDH WIT

13

.RE BNUM

E-2056PERSIZESHOLESON O2IS+.IMALSDECACE2PLON

EAGRE TOt") ("NCE ATOLER RIALEAT M

+15

RST

11

B

X1

/Q

9

:OTES N

12

A

Q

10

T1

T2

62R

From Bridge

15

14

R16

301

C23

R17

3.32K

4.7

301

3

35V

20

17

14

11

8

5

2

R

R18

19

C1

C2

C3

C4

C5

C6

C7

3

G1

J10

com

301

16

G2

332

D7

R19

13

G3

A2

2R

301

C19

10

G4

40N60B3

6

9

7

.47

R20

G5

630Vdc

PWM

R4

1

13

X3

4

R27

X3

10

R6

4

3

11

5

8

301

G6

X3

X3

INPUT

3.32K

2

12

3.32K

475

32R

5K74.

R21

1

1

5

G7 E1

E2

E3

E4

E5

E6

E7

C11

OCI1

C15

C16

C17

301

21

18

15

12

9

6

3

.0047

C12

C13

CNY17-3

100p

100p

820p

R22

50V

820p

100p

To STT Output

100V

100V

50V

2

6

4

50V

100V

301

6

C22

150p

50V

J10

com

R25

221K

11340L

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.

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