Lincoln Electric SVM101-B service manual CAPACITOR, Cemo 150P

Page 113

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ELECTRICAL DIAGRAMS

G-21

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Item

Identification

C1, C2, C3, C6, C8, C14,

CAPACITOR, CEMO .022 50V 20%

C15, C16, C17, C20, C24,

 

C27, C30, C32, C35, C36,

 

C38, C44, C45, C47, C49,

 

C50, C51, C52, C53, C54,

 

C55, C56, C57, C58, C60,

 

C61, C63, C64, C66, C67,

 

C69, C70, C74

 

C4, C23, C75

CAPACITOR, CEMO 150P

 

100V 5%

C5

CAPACITOR, PEMF 0.33

 

200V 10%

C10, C29, C33

CAPACITOR, TAEL 1.8 20V 10%

C11

CAPACITOR, ALEL 20 50V

 

+75/-10%

C12

CAPACITOR, PFC .018 50V 2%

C13, C22, C25

CAPACITOR, CEMO 330P

 

100V 5%

C18

CAPACITOR, CEMO 4700P

 

50V 10%

C19, C39, C42, C48, C65

CAPACITOR, TAEL 4.7 35V 10%

C25

CAPACITOR, CEMO 47P 100V

 

5%

C26, C41, C46, C59, C73

CAPACITOR, CEMO 0.1 50V 10%

C28, C62

CAPACITOR, TAEL 1.0 35V 10%

C31, C40

CAPACITOR, TAEL 0.33 50V 10%

C34, C37

CAPACITOR, CEMO 2700P

 

50V 5%

C43, C68

CAPACITOR, TAEL 2.7 50V 10%

C71

CAPACITOR, TAEL 39 20V 10%

C72

CAPACITOR, TAEL 100 20V 10%

D1, D2, D3, D7

DIODE, AXLDS 1A 400V FR

 

1N4936

D4, D5, D8, D9, D10, D11,

DIODE, AXLDS 1A 400V

D12, D13, D14, D15,

 

D17, D18, D20, D21,

 

D22, D25, D26, D27, D28,

 

D29, D30, D31, D33, D34,

 

D35, D36, D37, D38, D39,

 

D40, D41, D42, D45, D46,

 

D47, D48, D50, D51, D52

 

D16, D19, D24

DIODE, AXLDS 0.15A 75V 1N914

D23

DIODE, AXLDS 1A 30V Schottky

DZ1, DZ3, DZ8

DIODE, Zener 0.5W 3.0V 5%

 

1N5225B

DZ2, DZ7

DIODE, Zener 1W 10V 5%

 

1N4740A

DZ4, DZ6, DZ9, DZ10,

DIODE, Zener 1W 5.1V 5%

DZ13, DZ14

1N4733A

DZ5

DIODE, Zener 1W 6.2V 5%

 

1N4735A

DZ11, DZ12

DIODE, Zener 1W 43V 5%

 

1N4755A

Item

Identification

J1

RECEPTACLE, Molex mini 8 pin

J2

RECEPTACLE, Molex mini 4 pin

J3

RECEPTACLE, Molex mini 2 pin

J4

RECEPTACLE, Molex mini 12 pin

J5

RECEPTACLE, Molex mini 14 pin

OCI1

OPTOCOUPLER, Photo Q 70V

 

CNY17-3

P1 (plugs into J1)

PLUG HOUSING, Molex 8 pin

P2 (plugs into J2)

PLUG HOUSING, Molex 4 pin

P3 (plugs into J3)

PLUG HOUSING, Molex 2 pin

P4 (plugs into J4)

PLUG HOUSING, Molex 12 pin

P5 (plugs into J5)

PLUG HOUSING, Molex 14 pin

Q1, Q2

TRANSISTOR-N, T226 0.5A 40V

 

2N4401

R2, R4, R8, R20, R23,

RESISTOR-MF, .25W 1% 10.0K

R32, R38, R43, R45, R46,

 

R51, R57, R64, R68, R87,

 

R109, R125, R139, R141,

 

R143, R151

 

R3, R10, R26, R42, R129

RESISTOR-MF, .25W 1% 475K

R5, R6

RESISTOR-CC, .50W 5% 1

R7, R9, R30, R47, R71,

RESISTOR-MF, .25W 1% 47.5K

R11

RESISTOR-MF, .25W 1% 267

R12, R25, R75, R98,

RESISTOR-MF, .25W 1% 22.1K

R127, R133, R149

 

R13, R34, R40, R48, R50,

RESISTOR-MF, .25W 1% 100K

R60, R81, R94, R105,

.

R114, R118, R123, R124

 

R14

TRIMMER-ST, .50W 10% 5K linear

R15, R100, R103, R104

THERMISTOR-PT, 56 ohms 9 oma

R16, R19, R28, R41, R113,

RESISTOR-MF, .25W 1% 332K

R17

THERMISTOR-PTC,.08-0.19 ohms

 

1.85A

R18

RESISTOR-CC, 2W 5% 680

R21, R73, R102, R119,

RESISTOR-MF, .25W 1% 2.67K

R144

 

R22, R70, R126, R132,

RESISTOR-MF, .25W 1% 26.7K

R137, R140

 

R24, R130

RESISTOR-MF, .25W 1% 56.2K

R27, R37, R53, R55,

RESISTOR-MF, .25W 1% 33.2K

R58, R92, R115, R136

 

R29

RESISTOR-MF, .25W 1% 392K

R31, R79, R88, R90, R93,

RESISTOR-MF, 25W 1% 4.75K

R97, R99, R121, R135,

 

R142

 

R33

RESISTOR-MF, .25W 1% 3.32K

R35

RESISTOR-CC, 1W 5% 390

R36, R66, R85, R91, R110

RESISTOR-MF, .25W 1% 150K

R39, R52, R72, R86

RESISTOR-MF, .25W 1% 221K

R44, R101

RESISTOR-MF, 25W 1% 100

R49, R67, R80, R107,

RESISTOR-MF, .25W 1% 681K

R54

RESISTOR-MF, .25W 1% 16.2K

R56

RESISTOR-MF, .25W 1% 43.2K

R59

RESISTOR-MF, .25W 1% 82.5K

Item

Identification

R61, R147, R148

RESISTOR-MF, .25W 1% 10.0

R62

RESISTOR-MF, .25W 1% 8.25K

R63

RESISTOR-MF, .25W 1% 1.00K

R65, R77

RESISTOR-MF, .25W 1% 475

R69

RESISTOR-MF, .25W 1% 18.2K

R74

RESISTOR-MF, .25W 1% 24.3K

R82, R120, R128

RESISTOR-MF, .25W 1% 301

R83

RESISTOR-MF, .25W 1% 267K

R95

TRIMMER-ST, .50W 10% 10K

 

linear

R96

RESISTOR-MF, .25W1 825 %

R131

RESISTOR-MF, .25W 1% 68.1K

R146

RESISTOR-MF, .25W 1% 28.0K

R152, R153, R154, R155

RESISTOR-MF,.25W 1% 26.7K

TERMINALS (P1, P2, P3,

TERMINALS, Molex mini

P4, P5)

 

X1, X3, X11

QUAD, IC-OP-AMP. gen. purpose

 

224J

X2

CONTROLLER, IC-PWM I-mode

 

3847

X4

QUAD, IC-OP-AMP high-perf 1014

X5, X6, X8, X9, X10

SWITCH, IC-CMOS analog quad

 

4066

X7

INVERTER,IC-CMOS Schmitt h

 

ex 4584

NOTE: Individual parts listed are not available from Lincoln Electric.

NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.

V300-I

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Contents Invertec Safety Fumes and Gases can be dangerous Electric Shock can killARC Rays can burn Welding Sparks can cause fire or explosion SafetyCylinder may explode if damaged IiiSûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Section A-1 Table of ContentsInstallation Section Three Phase Single Phase InstallationProduct Description Electrical Installation 3INSTALLATIONA-3Input Voltage Setup LocationConnection of Wire Feeders to the Invertec Power Input ConnectionSingle Phase Input Three Phase InputParallel Operation Remote Control of InvertecK900-1 DC TIG Starter Connection Quick Disconnect Plugs 6INSTALLATIONA-6Output Cables Section B-1 Operation SectionOperating Instructions OperationDuty Cycle Control Function / OperationFull Range Is Is Very Soft, 10 Is Very Crisp Mode SwitchAuxiliary Power Meter Polarity SwitchSection C-1 Accessories SectionOptions / Accessories AccessoriesSection D-1 Maintenance SectionInput Filter Capacitor Discharge Procedure MaintenanceOverload Protection Preventive MaintenanceFigure D.2 Location of Maintenance Components Section E-1 Theory of Operation SectionInput Line Voltage & Auxiliary Transformer Theory of OperationReturn to Return to Section TOC Precharge & Protection CircuitsFigure E-4 ---SWITCH Circuits & Transformer Switch BoardsFigure E-5 --OUTPUT & Control Circuits Output and Control CircuitsPassive Maximum Output Pulse Width ModulationMinimum Output Thermal Protection Protective CircuitsOverload Protection Section F-1 Troubleshooting & Repair SectionHOW to USE Troubleshooting Guide Troubleshooting & RepairPC Board Troubleshooting Procedures Matched Parts Additional Information Oscilloscope WarningInput Filter Capacitor CONDITION- ING Department Feeding ProblemsFeeding Problems See Input Rectifier test See Output Diodes test See Switch Board test V300-I Input Filter Capacitor Discharge Procedure 11TROUBLESHOOTING & REPAIRF-11Figure F.I Location of Input Filter Capacitor Terminals Input Filter Capacitor Discharge ProcedureOutput Pilot Circuit Test Test Procedure J2 J4 J3 G2527V300-I Protection Board Output Test Turn Power Switch OFF Test Procedure313 306 J15 275F 311 V300-I Figure F.6 Inserting Probes ProtectionCapacitor Balance Test Static Capacitor Test 912 V300-I Switch Board Test Switch Board Test Switch Board Test Table F.3 Snubber Resistor Test Check Test Result Conclusion Next Test Step Repair Action Snubber Resistor TestOutput Diode Test Output Diode Test Test ProcedureInput Rectifier Test Probe Acceptable Meter Reading Table F.5Points Steps Overcurrent Protection Current Trigger Test 302 G2527 Control J1 275D Overcurrent Protection Current Trigger TestControl Overvoltage Protection DC Trigger Circuit Test Figure F.16 PC Boards Removed Overvoltage Protection DC Trigger Circuit Test306 275F 309 310 #313 #275D 1J8 #311 1J14 6J6 #3023J8 2J14 1J6 #301 #305Thermal Protection AC Trigger Circuit Thermal Protection AC Trigger Circuit Figure F.20 PC Boards Moved for AccessFigure F.21 Thermal Protection AC Trigger Circuit V300-I Power Board Test Test B Power Board TestTest a Figure F.23 Power Board Test Points Simplified Trigger Circuit Capacitor Removal and Replacement Procedure Procedure Capacitor Removal and ReplacementFigure F.27 -- Removing Capacitor Nuts Figure F.27 Switch Board Removal and Replacement Procedure Procedure Switch Board ReplacementTest After Switch Board or Capacitor Replacement Perform Retest After Repair Test After Switch Board or Capacitor ReplacementOutput Diode Replacement Procedure Output Diode Replacement Procedure 60TROUBLESHOOTING & REPAIRF-60Procedure Diode Modules 61TROUBLESHOOTING & REPAIRF-61OCV at rated Input V300-PRO Retest After RepairOutput Min. Acceptable Max. All Modes V300-I V300-PROSection G-1 Electrical Diagrams Section#0# Wiring Diagram Entire Machine Code 9826 L8657Return Wiring Diagram Entire Machine Code 9827 L8938Wiring Diagram Entire Machine Code 10036 L9299 $ $ Wiring Diagram Entire Machine Code 10037 L9300Section Wiring Diagram Entire Machine Code 10132 L9567Wiring Diagram Entire Machine Code 10133 L9568 Wiring Diagram Code$& $ Wiring Diagram Entire Machine Code 10258 L10189Wiring Diagram Entire Machine Code 10336, 10450 L10205 V300-I Wiring Diagram European# . $ #$ !#$ #! %&$ Schematic Entire MachineSchematic Driver PC Board S20216 Identification PC Board Assembly Driver L8660Schematic Driver PC Board S20799 Description PC Board Assembly DriverSchematic Switch PC Board L8440 CAPACITOR, Cemo 2700P 50V 5% PC Board Assembly Switch L8441Schematic Switch PC Board L10956 Reqd Identification PC Board Assembly Switch L10958-1Schematic Control PC Board G2525 Electrical Diagrams CAPACITOR, Cemo 150P Schematic Protection PC Board M16097 DZ1 PC Board Assembly Protection L7915-2Schematic Power PC Board M16018 VOLT. REG. & Heat Sink Asbly PC Board Assembly Power L8033-7
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