01-22-2011, 11:42 PM
The buzz turns out to be caused by a CFL in the kitchen. Turn off the lights and no buzz. Who would of thought? A portable radio helped zero in on the culprit. Replaced the bulb with a new one and the radio is buzz free.
The loop antenna on the Philco is more sensitive to this sort of electronic interference. My portable transistor radio barely picked up the buzz until I was in the kitchen.
I replaced the 33pf RF capacitor with a 15pf. Fry's was out of 10pf caps. The 15pf eliminated the spurious noises I was hearing. The alignment now tracks across the band.
The speaker voice coil was rubbing occasionally. Playing the radio a few hours seems to have cleared it up.
Thank you for your help.
The loop antenna on the Philco is more sensitive to this sort of electronic interference. My portable transistor radio barely picked up the buzz until I was in the kitchen.
I replaced the 33pf RF capacitor with a 15pf. Fry's was out of 10pf caps. The 15pf eliminated the spurious noises I was hearing. The alignment now tracks across the band.
The speaker voice coil was rubbing occasionally. Playing the radio a few hours seems to have cleared it up.
Thank you for your help.
