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Dragging out an old nemisis-Philco 66 cathedral-SUCCESS
Mondial
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#50

08-22-2014, 02:58 PM
The only thing about the tuning cap which would cause no oscillation would be a short across the plates. If the mica is missing or damaged between the trimmer plates it could cause a short.

Best way to check would be to remove the wires from the tuning cap and check for resistance between the rotor and stator plates. Rotate the cap shaft over its full range. You should have an infinite resistance (open circuit) reading. If you read a short or low resistance then there is a problem.
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RE: Dragging out an old nemisis-Philco 66 cathedral - by Mondial - 08-22-2014, 02:58 PM



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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration