Quote:
Originally Posted by dieseljeep
Disconnect the lead going to the 5U4 socket from the B+ circuitry. It has to be in the B+ feeds, electrolytics, grounded filter choke, even the vertical output transformer.
As stated before, the smaller circuit capacitors throughout the circuitry of the set wouldn't cause a dead short in the B+ rail.
IIRC, the B- isn't going to the chassis but is forming a low bias source.  |
I would also disconnect the focus coil and measure the resistance to ground of both leads. Also do the same for the 5U4 5 volt heater winding of the power transformer.
jr