Zenith H2447R 19" Porthole TV

[jr_tech]

"I think I need to replace that wire. Now here is another question. If the original wire is lets say 20Kv and I use 40Kv wire, will there be enough "juice" to get through the "extra" insulation of the 30Kv wire to work the 1B3GT?"

Sure, this is just a transformer with a one turn coil providing the 1.25 Volts for the 1B3 filament. Turns ratio is the only thing that counts here, extra insulation on the wire will not make any difference.

jr