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| ELECTRICAL DIAGRAMS |
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PC BOARD |
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| AICF | ITEM |
| REQ’D | PART NO. | IDENTIFICATION | |
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| C1, C2, C3, C4, C5, C6 | 6 | .0047/3000 V | ||
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| L1, L2, L3, L4, L5, L6 | 6 | .39 mH | ||
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| J22 |
| 1 | HEADER | |
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| J23 |
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+.05 |
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| CAPACITORS = MFD/VOLTS |
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3.60 |
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3.40 | SQUARE WAVE |
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| PROTECTION |
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±.12 |
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| L6 |
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3.10 |
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| L4 |
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J23 |
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| C4 |
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| C5 |
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| C1 |
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| L1 |
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| C2 | L3 | L2 |
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J22 | C3 |
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.60±.12 |
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.20 | C6 |
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0 |
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.20 .50 ±.12 |
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| 3.40 | +.05 |
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0 |
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| Ch’ge. Sht. No. | THE LINCOLN ELECTRIC CO.EQUIP.TYPE | SQUAREWAVE TIG 300 & 350 | |||||
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| CLEVELAND, OHIO U.S.A. |
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| SCALE | SUBJECT PROTECTION P.C. BOARD ASSEMBLY | ||||
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| DOUBLE |
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| SHT. | ||
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| DR FV | DATE |
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| SUP’S’D’G | NO. | |||||
NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is pro- vided for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.
