question about a 8-t-241

[Penthode]

Originally Posted by stusnyder

resistance pin 8 to chassis 6460 ohm you said 6400
pin 8 to can c147 7720 ohm you said 7700
can c147 to chassis 1242 ohm you said 1300 ohm

Hmm. That rules out the divider at least. If the voltages are then wrong, it appears that something is conducting heavily when the set is running if the voltages are incorrect.

Can you provide the as measured voltages against the voltages the schematic advises? This may provide the clue.