12-24-2016, 04:14 PM
> my model 84 has recently developed a hum in the audio.
Merry Christmas!!! Have you been good this year???
Kidding aside check your chassis or good ground connections. A rivet over by the 42 socket comes to mind. For grins try grounding the grid cap on the second 77 tube to hear if the kills the hum.
Merry Christmas!!! Have you been good this year???
Kidding aside check your chassis or good ground connections. A rivet over by the 42 socket comes to mind. For grins try grounding the grid cap on the second 77 tube to hear if the kills the hum.
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 "[-]")
