Admiral 14UY3C Sams 351-1

[Don Lindsly]

VT105:

Measure the control grid, pin 2 or 5. Should be around 130 volts.

Screen, pin 6 will measure about the same as the plate.

There are a couple of 1.5 meg resistors on the control grid that set the bias, which in turn sets the cathode voltage. If the audio transformer was open all along, that accounts for the low 130 volt supply. Recheck it now.