I have a memorex dvd, in my living room, and in my bedroom I have 2 am
radios. If the dvd player is plugged into the outlet(even in standby
mode, switch off) I get a tremendous amount of static on my am
channels. But if I unplug the dvd player static or interefence stops.
How can I correct this problem?

Larry

If you can, try another outlet that's on a different breaker in your
breaker box. An extension cord is good for testing to see which
receptable might or might not work before hauling things around; either
the radio or DVD unit. Assuming the requisite FCC Part 15 or equivalent
is marked on the product, this should work.

You could try re-orienting the radio (its antenna, actually) just in
case it's an RF interference (usually in the intermediate freq area, not
the station freqs). Often moving the antenna 90 degrees will stop that
kind of interference. OTOH sometimes reorienting the DVD player works
too but it's usually easier to move the radio.
If the radio will run on batteries, try that & see what happens. IF
it still get the noise when run by battery, then it's pretty sure to be
an RF thru the air issue rather than ac wiring noise.

Does either the radio or DVD system have a 3-pin plug? If so, is the
3rd wire (earth ground) properly wired in the outlet, AND the 3-pin
prong still completely in tact? e.g. not cut off?
Radio Shack et al has a $10 cheapie plug in detector that will tell
you whether the outlet's hot/neutral are in the right place and that the
earth ground is connected. Output is just reading which of 3 or 4 LEDs
or lites comes on. I think I saw one for $8 last weekend when I was in
for batteries. Cyberguys.com carried them too, last I knew.

If reorienting and choosing a differen outlet on a different breaker
don't make any changes, at least they were easy tests to make. After
those, the interference is most often through the ac power lines. I
just usually check the quick & easy things first, then they're at least
eliminated.

You can buy "line filters" whose purpose is to stop such interference.
Not expensive & often a Radio Shack item. Often works well. There are
a couple different kinds from the ones you just plug into, to ferrite
cores that snap around the power cord. Ferite cores are the easiest to
apply, the plug-in types sometimes a little better at stopping the noise
if made my a quality outfit.

BTW, it doesn't require the DVD have a switching power supply to create
such noise altough most do these days: All it takes is the right diff in
freqs between the source and the receiving point to make static sounding
noises.

HTH

Twayne
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