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TROUBLESHOOTING & REPAIR |
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| ARC START TRIGGER CIRCUIT TEST (continued) |
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| 3J12 | 3J13 |
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| PROTECTION/SNUBBER |
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| L9255 |
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J10 | J11 | J12 | J13 | J14 | J15 |
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| 10J12 | 11J13 |
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FIGURE F.9 - PROTECTION/SNUBBER BOARD TEST POINTS.
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6.Test the resistance from 11J13 on the projection/ snubber board to pin “D” on the six pin amphenol receptacle. (Lead #311). Also check resistance from 3J13 on the projection/snubber board to pin “E” on the six pin amphenol receptacle. (Lead #303).
A.If zero ohms resistance is shown test is okay. Proceed to projection/ snubber board test.
B.If resistance of any value is shown, check wires and connections.
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