06-01-2020, 03:48 PM
Ok... Remove the 6J5 driver tube and measure the resistance from pin 2 to pin 7 at the tube base not at the socket. Should see a low resistance of a few ohms.
> no ref in voltage chart for bias on the screen on the driver tube. So we shall see.
Good reason for it as the driver tube has no screen grid.
> no ref in voltage chart for bias on the screen on the driver tube. So we shall see.
Good reason for it as the driver tube has no screen grid.
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 "[-]")
