Lincoln Electric SVM179-B service manual Work

Models: SVM179-B

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G-17

ElECTriCal DiaGrams

G-17

sChEmaTiC - lN-25 prO CONTrOl pC BOarD - CODEs 11387, 11388, 11507, 11508 (G4745-1) pG 4

 

 

 

 

 

 

 

D50+15V2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

0.2A

 

 

 

 

 

 

 

 

 

 

 

 

D18

 

2+5V

 

 

 

 

 

 

 

30V-115V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRODE

221KR180

221KR175

 

 

 

221KR176

221KR177

 

 

 

 

1D51

 

 

 

 

3

0.2A

1

 

 

GND

 

 

 

 

2

3R182.32K

 

 

 

3

2R184.21K

 

 

30V

 

 

 

POLARITY_SENSE

 

 

 

 

 

 

X6

33074ADT1

 

 

 

2070V.2A

 

 

221K

C70.1uF

 

 

WORK

R174

R173

GND

3

R179

R178

 

 

 

 

 

 

R181

 

 

50V

 

 

 

 

 

1D52

3

 

 

 

 

20KR170.1W

 

 

GND

 

+15V2

METER_COMP

 

221K

+15V221K2D14

3

 

 

221K

221K

 

 

 

R172

9

 

 

 

 

 

D19

 

 

 

.2A

 

6

X6

 

R183

0.2A

 

 

 

X6

 

8

 

 

3

 

 

 

 

30V

 

 

 

2

70V

 

 

C71

10K.1W

 

 

 

 

0.2A

 

 

 

-15V1

 

 

GND5

 

33074ADT

3.32K

 

 

475

10

 

 

33074ADT

 

30V

 

 

 

 

 

 

R171

50V.1uF

 

 

 

 

 

-115V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GENERALINFORMATION

 

 

 

R

 

 

LASTNO.USED

 

 

 

 

 

 

 

ELECTRICALSYMBOLSPERE137

 

LABELS

C

 

_

SEEPAGE1

 

 

 

 

 

 

CAPACITORS=

MFD(.022/50VUNLESS

D-

 

 

 

 

 

 

 

 

 

 

RESISTORS=Ohms(

1/4W

UNLESSOTHERWISEOTHERWISESPECIFIED)

 

 

 

 

 

 

 

 

 

 

 

 

DIODES=

1A,400V

(UNLESSOTHERWISESPECIFIED)

 

SUPPLYWER

 

VOLTAGENET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUPPLYSOURCEPOINT

SINCECOMPONENS

&CIRCUITRYCONFIDENTIAL:TOOTHERPARTIES,ORUSEDFORANYPURPOSEWITHOUTTHEEXPRESSWRITTENPERMISSIONOFLINCOLNGLOBAL,INC.

05

PROPRIETARYPRINTEDCIRCUITBARDMAY

DESIGNINFORMATION

EQUIPMENTTYPE:

FLEXIBLEPOWERFEEDER

CFRAMEO ON

 

PAGE04OF

 

 

 

 

 

 

 

ARCVOLTSREAD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EARTHGROUNDCONNECTIONNECTION

 

ABILITYD

AFFECTINGMYNOTSHOWTHEEXCT

HISDOCUMENTCONTAINSPROPRIETARYINFORMATIONOWNEDBYLINCOLNGLOBAL,INC.ANDMAYNOTBEDUPLICATED,COMMUNICATED

ENGINEER:

JPZ

REFERENCE:

SUBJECT:

 

SCHEMATIC,CONTROLPCB

NUMBER:

 

REVISIO:

WITHOUT

OF

COMPLETEBOAD,THIS

DRAWNBY:

JPZ

9/24/2009

 

 

 

NADATE:

 

 

DOCUMENT

DOCUMENT

 

 

THEINTERCHANGE-

DISPOSITION:

9-12-2008 NUMBER:

CRM39801

HAVIAGRAMNACOMMONCODENUMBER.

APPROVED:

 

---------

G

4745-1H0

 

A

COMPONETSORCIRCUITRYOFCONTROLS

 

 

 

MATERIAL

 

APPROVAL

PROJECT

 

 

 

 

 

 

 

 

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

lN-25™ prO

Page 95
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Lincoln Electric SVM179-B service manual Work