Jerry;
The work around is one that I found on the net ( where else in this day & age). It involves bypassing the damaged winding with a resistor or small choke and then coupling the signal with a capacitor.
I have attached my idea if the plate winding is open.
Here is one of the articles on doing just that :
https://www.antiqueradios.com/forums/viewtopic.php?t=165802
TTFN; John VO1 CAT
