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Restored Philco 46-420 code 121 has slight low pitch hum.
#5

Both caps - ends are already connected to B-.

They are also brand new.

So forgive my ignorance but if you are suggesting that I reroute (or replace) one of the 20mfd electrolytics which one would I do that to?

The one connected to pin 4 of the 35Z5 or pin 8 of the 35Z5?


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RE: Restored Philco 46-420 code 121 has slight low pitch hum. - by terrylett - 03-17-2019, 07:50 PM



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