Re: [bomp] Mystery Buzz from DVD Player to CD Burner

[Bob Widenhofer <bwidenhofer@xxxxxxxxx>]

Yes, it can be a grounding issue.  Especially in a lovely and otherwise very cool older home such as yours.
   
  Even when I lived in a very modern house, built in 1995, I had to deal with things like this.   When we ditched the suburbs and bought older crib in town (1950), I had the place rewired, but it can still happen.
   
  The first thing to try is DIRT SIMPLE.  Unplug one of the two gizmos (I'm assuming at least one of 'em has a two prong plug here) and rotate the plug...i.e. stick the prongs back into the socket opposite of the way they were before.  If you had a polarity mismatch before, that'll make it go away.
   
  I have an old Harmon-Kardon hi fi that hums like mad if the turntable is plugged in w/ opposite polarity.  Even in a modern house.
   
  ALSO: a lot of people believe that they're "grounding" a device when they use one of those widowmaker adapters with two prongs on one side and a three-prong outlet on the other.  Don't bet on it.

Lounge Laura Taylor <queenjanefondle@yahoo.com> wrote:
  
I have a freestanding CD burner hooked up to my
stereo, which I use to burn vinyl onto CD via analog
RCA inputs.

In another room, I have a DVD player, with analog RCA
audio outputs that hook up to my TV.

I was attempting, for the first time, to burn audio
from a DVD onto a CD. I lugged my CD burner out to
where the DVD player was, used the same RCA cables
that went into the TV, and plugged them into the
analog inputs on the CD burner. When I previewed the
sound in record mode, there was a substantial buzz
that was nearly as loud as the audio signal on the
DVD. The buzz registered on ther record meters too. 
I was using the very same cord Id used to plug into
the TV, so I doubt a faulty cord was the issue.

Following some other suggestions, I unplugged the
antenna from the TV. I also unplugged the video cable
from the DVD player, shut off the TV, and turned off
lights. Still a buzz. 

Ive grounded turntables, of course, but never had to
ground any other audio equipment. Is this likely the
issue? If not, where might the buzz be coming from? It
seems like a pretty straightforward setup. Any
suggestions?


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