Thanks Jim - I should try it. I have never tried to curb it mainly
because it is usually off when I'm in the shack. This is a 10 year old
Panasonic set and I seem to remember reading on the RFI list a few years
ago about a couple of guys trying to work on their sets. As I remember,
they said the set (screen) radiated most of the RFI and that putting
toroids on the AC line did not help.
But you can never have enough #31's around so it won't hurt to try it
here! It is getting pretty close to replacement time for this thing
anyway. A much lighter (and a little bigger) LCD is in the future ;-)
Thanks again & 73,
Dave W8FGU
On 04/30/2013 11:27 AM, Jim Brown wrote:
Dave,
You may be able to knock this noise source down with effective line
filtering. The first thing to try is winding many turns of the AC cable
around a #31 ferrite core. It won't help noise that is radiated
directly by wiring inside the unit, but it can take the AC cable out of
the picture. And you should also approach the manufacturer and firmly
insist that they fix it.
73, Jim K9YC
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