03-05-2020, 04:29 PM
>2nd Det. (75) Plate Volts-P to K is 250 instead of 150
Well you get a couple of choices. Bad ground at cathode to chassis, weak tube no emission, or too much -bias the the grid turning the turning the electron flow off. This is assuming that the caps and resistors are good.
>Output (42) Control Grid Volts-CG to K is 15 instead of 2.2
I like the NEGATIVE 15v on the cg on the 42. 2.2v makes no sense.
Well you get a couple of choices. Bad ground at cathode to chassis, weak tube no emission, or too much -bias the the grid turning the turning the electron flow off. This is assuming that the caps and resistors are good.
>Output (42) Control Grid Volts-CG to K is 15 instead of 2.2
I like the NEGATIVE 15v on the cg on the 42. 2.2v makes no sense.
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!
Terry
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
