03-06-2007, 10:26 PM
Since L300 is a simple RF choke with a phyisically small winding, I'd look for the wire break at the connections to the wire leads.
Philco gives no inductance value for this coil in any Philco Parts Catalogue I have.
If you have to unwrap a few turns to get to the break it's not critical. Or if the break is way inside the coil, just re-wind that small coil with the same gauge wire to approximate the number of turns. It does not have to be pi-wound like the original. Just keep the turns "globbed up" in the center of the form.
Philco gives no inductance value for this coil in any Philco Parts Catalogue I have.
If you have to unwrap a few turns to get to the break it's not critical. Or if the break is way inside the coil, just re-wind that small coil with the same gauge wire to approximate the number of turns. It does not have to be pi-wound like the original. Just keep the turns "globbed up" in the center of the form.
Chuck Schwark,
The Philco Repair Bench
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http://www.philcorepairbench.com
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