Lincoln Electric SVM179-B service manual OF05

Page 100

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G-22

ElECTriCal DiaGrams

G-22

sChEmaTiC- lN-25 prO CONTrOl pC BOarD - CODEs 11620, 11621, 11716, 11717, 11746, 11747 (G4783-1) pG 4

 

 

 

 

 

 

D50

+15V2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+5V

 

 

 

 

 

 

3

0.2A

1

 

 

 

 

 

 

 

 

 

 

 

 

D18

 

2

 

 

 

 

 

 

30V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRODE

221KR180

221KR175

 

 

-15V

 

221KR177

 

 

 

 

 

1D51

 

 

 

3

0.2A

1

 

 

GND

 

 

 

2

221KR176

1

R182

 

 

 

 

3

2R184.21K

 

30V

 

 

 

POLARITY_SENSE

 

 

 

 

 

X6

 

 

 

 

 

2070V.2A

 

221K

C70.1uF

 

 

WORK

R174

R173

GND3

R179

33074ADT

3.32K

 

 

 

 

 

R181

 

 

50V

 

 

 

 

R178

 

1D52

3

 

 

 

 

20KR170.1W

 

 

GND

 

+152V

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

1-15V

 

 

 

 

 

 

R171

50V.1uF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

OF05

PROPRIETARYPRINTEDCIRCUITBARDMAY

DESIGNINFORMATION

 

 

EQUIPMENTTYPE:

FLEXIBLEPOWERFEEDER

CFRAMEO ON

 

PAGE04

 

 

 

 

 

 

 

ARCVOLTSREAD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EARTHGROUNDCONNECTIONNECTION

 

ABILITYD

AFFECTINGMYNOTSHOWTHEEXCT

HISDOCUMENTCONTAINSPROPRIETARYINFORMATIONOWNEDBYLINCOLNGLOBAL,INC.ANDMAYNOTBEDUPLICATED,COMMUNICATED

ENGINEER:

REFERENCE:

SUBJECT:

 

SCHEMATIC,CONTROLPCB

NUMBER:

 

REVISIO:

WITHOUT

OF

COMPLETEBOAD,THIS

DRAWNBY:APM

9/3/2010

 

 

 

 

NADATE:

 

 

DOCUMENT

DOCUMENT

 

 

THEINTERCHANGE-

 

DISPOSITION:

10-23-2009NUMBER:

CRM40617

HAVIAGRAMNACOMMONCODENUMBER.

APPROVED:DRS

---------

G

4783-1C0

 

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

Image 100
Contents LN-25PRO Wire Feeder Safety LN-25 PROElectric Shock can kill ARC Rays can burn For Electrically Welding CuttingIii Précautions DE Sûreté Sûreté Pour Soudage a L’ArcMaster Table of Contents for ALL Sections Table of Contents Installation Section Installation Safety Precautions High Frequency ProtectionLocation ELECTRIC SHOCK can KillWire Drive Configuration Cable ConnectionsShielding GAS Connection Changing the GUN Receiver BushingProcedure to Install Drive Rolls Wire GuidesLoading Spools of Wire Pressure ARM AdjustmentGUN Connection Across the ARC SET-UPS Power Source to LN-25 PRO Cable Connection DiagramsDescription Figure A.7 Table of Contents Operation Section Safety Precautions OperationGeneral Description Description Wire Feed Speed KnobAnalog Voltmeter Wire Feed Speed, CC Operation See Figure B.2 or Figure B.2Table B.2 VV CC Wire Speed Setting Constant Current VS Constant Voltage Wire Welding Figure B-3PIN GUN Trigger Connector See Figure B.1 Wire Feed Speed Range Switch K2613-5 and K2613-7 onlyWork Sense Lead Thermal LED, Motor Overload See Figure B.1Internal Controls Figure B.4Step Trigger Interlock Switch CV/CC SwitchInternal Controls Description Cold Feed PushbuttonOptional PREFLOW, Burnback Postflow Timer KIT K2330-2 Preflow TimerRear Controls Figure B.5POWER-UP Sequence GAS Purge PushbuttonFlow Meter ScfhLN-25 PRO Table of Contents Accessories Section Accessories Factory Installed EquipmentWire Type Drive Roll KitsAccessories Accessories K435 Spindle Adapter, for mounting Installation of the K590-6 Water Cooling KIT Table of Contents Maintenance Section Maintenance Routine MaintenancePeriodic Maintenance Calibration SpecificationCover Wire Feed SpeedBoard Figure D.3. Major Component Location 1TABLE of CONTENTS-THEORY of Operation Section E-1 Control BoardTheory of Operation Figure E.2 General DescriptionInput Power TRIGGER CIRCUITFeedback and Control CIR- Cuits Figure E.4 Feedback & Control CircuitsOptional Circuits Figure E.5 Optional Circuits & Digital Display BoardLN-25 PRO Table of Contents Troubleshooting & Repair Troubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures Fault Code Description Possible Adjustment Motor Solenoid Test Possible Areas Misadjustments Problems SymptomsRecommended Course of Action LN-25 PRO Test Description Case Removal ProcedureMaterials Needed Procedure Figure F.1 Case RemovalGAS Solenoid Test GAS Solenoid Control BOX Control BOX Cover Contactor Test Control BOX Contactor Drive Motor and Tach Feedback Test Case Control BOX Assembly Motor Overload Test Figure F.5 Control BOX Assembly Contactor Removal and Replacement Procedure Removal Procedure Figure F.6 Control BOXReplacement Procedure Figure F.7 Buss BAR and Mounting BlockLN-25 PRO Front Panel Removal and Replacement Procedure Front Panel Troubleshooting & Repair Gas Hose Control BOX Wire Drive Panel Drive Gear Cover LN-25 PRO PC Board Removal and Replacement Procedure PC BOARD Removal and Replacement Procedure Figure F.11 Control PC Board LocationGAS Solenoid Removal and Replacement Procedure GAS Solenoid GAS Hose Control BOX Lock NUT SET UP Retest After RepairRetest a machine Operation VerificationLN-25 PRO Table of Contents Diagram Section Wiring Diagram LN-25 PRO WiriNG DiaGram lN-25 prO CODEs 11507, 11508 G5681-1 Wiring DIAGRAM- LN-25 PRO Analog WiriNG DiaGram lN-25 prO CODEs 11746, 11747 G5681-3 LN-25 PRO Wire Feeder G5683LN-25 PRO Wire Feeder ElECTriCal DiaGrams G5683-1 Pushbutton G5683-2 LN-25 PRO AnalogG5683 G5683-3 Circuitryconfidential Equipmenttype Xres RXD Work 624 4783-1C0 Flexiblepowerfeede R 50V OF05 Circuitryconfidential S27505-1B0 R2 CW