Thermal Arc 500 - APPENDIX 2: PM-500;350 SCHEMATIC DIAGRAM

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POWERMASTER 500, 500P, 350, 350P

A-2

March 17, 2006

APPENDIX 2: PM-500/350 SCHEMATIC DIAGRAM

Art # A-06941

Table of Contents

Default Chapter1
- Service Manual1
- Table of Contents4
Section 17
- Safety Instructions and Warnings7
- Arc Welding Hazards7
- Principal Safety Standards10
- Dangers Relatifs Au Soudage À L'arc11
- Precautions de Securite en Soudage À L'arc11
- Principales Normes de Securite14
Section 215
- Introduction15
- How to Use this Manual15
- Equipment Identification15
- Receipt of Equipment15
- Symbol Chart16
- Power-Master 500 Specifications18
- Power-Master 350 Specifications19
- General: Power-Master 500P & 350P20
- Power-Master 500P Specifications21
- Power-Master 350P Specifications22
- Standard Features23
- 350P Programmable Features23
Section 325
Section25
- Voltage Changeover25
- Connecting Welding Machine to Line Voltage26
- Connection Instructions26
- Grounding27
- Welding Leads28
- Configuration Settings29
- Installation25
  - Location25
Section 4: Operation31
- General Safety Precautions31
- Power-Master 500 and 350 Controls32
- Power-Master 500P and 350P Controls34
- Rear Panel (All Models)36
- GTAW (Gas Tungsten Arc Welding)38
- SMAW (Shielded Metal Arc Welding)38
- CAG (Carbon Arc Gouging)39
- GMAW (Gas Metal Arc Welding)39
- Pulsed GMAW (Power-Master 500P and 350P Only)40
Maintenance41
Section 643
Troubleshooting43
- General43
- Basic Troubleshooting43
- Troubleshooting Guide44
- Power-Master 500 and 350 Block Diagram48
- Power-Master 500P and 350P Block Diagram50
- Control Board Connector Signals for 830894 Main Control Board52
- Power Circuit Tests55
- Semiconductor Replacement Requirements56
- Main Control Board57
- Control Circuit Tests58
- Calibration Procedure66
Section 767
Repair Procedures67
- Output Diode Replacement67
- IGBT Module Replacement68
Section 869
Parts List69
- Equipment Identification69
- How to Use this Parts List69
- External Panels70
- Base Parts72
- Front Panel Parts (Power-Master 500 and 350)73
- Front Panel Parts (Power-Master 500P and 350P)74
- PC Board Parts76
- Rear Panel Parts (Power-Master 500 and 350)77
- Rear Panel Parts (Power-Master 500P and 350P)78
- Center Chassis Parts80
Appendix 1: General Information83
Appendix 2: Pm-500/350 Schematic Diagram84
Appendix 3: Pm500/350 Connection Diagram - 186
Appendix 4: Pm500/350 Connection Diagram - 288
Appendix 5: Pm-500P/350P Schematic Diagram90
Appendix 6: Pm500P/350P Connection Diagram - 192
Appendix 7: Pm500P/350P Connection Diagram - 294
Limited Warranty96
- Warranty Schedule97
- Global Customer Service Contact Information99

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