03-20-2017, 03:47 PM
>The OSC is working OK
How do you know this???[Image: http://philcoradio.com/phorum/images/smi...roblem.gif]. Can you hear it or check it w/a counter???
If so then the issue is in the ant circuit. Hum may be from a open gnd connection at the ant coil. Check the volume control (rf/IF gain). Clean the brass rotor ground fork at the rear of the tuning to rid yourself of the tuning noise.
How do you know this???[Image: http://philcoradio.com/phorum/images/smi...roblem.gif]. Can you hear it or check it w/a counter???
If so then the issue is in the ant circuit. Hum may be from a open gnd connection at the ant coil. Check the volume control (rf/IF gain). Clean the brass rotor ground fork at the rear of the tuning to rid yourself of the tuning noise.
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
