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| THEORY OF OPERATION |
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TOC | TABLE OF CONTENTS |
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- THEORY OF OPERATION SECTION - | |||
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THEORY OF OPERATION SECTION | Section E | ||
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Input Line Voltage and Main Transformer | |||
| Power Supply Operation | ||
| Output Rectification and Feedback Control | ||
| Constant Voltage Output | ||
| Wire Drive Motor and Feedback | ||
| Thermal Protection | ||
| SCR Operation |
to Master TOC |
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| WIRE | GAS |
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| SPEED | SOLENOID |
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| WIRE |
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| DRIVE |
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| ARC |
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| MOTOR |
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| VOLTAGE |
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| CONTROL BOARD |
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| TACH |
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| A |
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| GUN TRIGGER AND THUMB SWITCH |
| LINE | MAIN | E |
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| S |
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| TRANSFORMER |
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| SWITCH | I |
| FEEDBACK | |
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TOC |
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| L |
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| RECONNECT |
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Master |
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| POSITIVE | |
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| TERMINAL | |
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| C | CHOKE | |
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| P | E | |
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| A | E | |
Return |
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| C | D |
| SCR | I | B | ||
| RECTIFIER | T | A | ||
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| O | C | |
| FAN |
| R | K | |
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| S | NEGATIVE | ||
| MOTORS |
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| TERMINAL |
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| SHUNT |
| Figure E.1 | |
Master TOC |
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to | NOTE: Unshaded areas of Block Logic | |
Diagram are the subject of discussion | ||
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