DVD connect TV 'hum' problem

#1 08-10-2005, 03:53 PM

I have tried connecting my DVD to my TV using the component out-
put/input sockets (Pb/Cb, Pr/Cr and Y) but get bad hum like mains hum.
This doesn't happen when I use left/right/video outputs.

Any ideas, anyone?

#2 09-10-2005, 07:13 PM

Jack Purvis wrote:
> I have tried connecting my DVD to my TV using the component out-
> put/input sockets (Pb/Cb, Pr/Cr and Y) but get bad hum like mains hum.
> This doesn't happen when I use left/right/video outputs.
>
> Any ideas, anyone?

It's called an "earth loop".

Look here for info:

http://www1.electusdistribution.com....ed/humloop.pdf

You don't need to go as far as their recommendations. Just try plugging
the gear in to the same circuit/power point first.

#3 10-10-2005, 04:33 PM

Thanks for the info. I'll try it.

On Sun, 09 Oct 2005 19:08:38 +1000, John <nospam@afp.gov.au> wrote:

>Jack Purvis wrote:
>> I have tried connecting my DVD to my TV using the component out-
>> put/input sockets (Pb/Cb, Pr/Cr and Y) but get bad hum like mains hum.
>> This doesn't happen when I use left/right/video outputs.
>>
>> Any ideas, anyone?
>
>It's called an "earth loop".
>
>Look here for info:
>
>http://www1.electusdistribution.com....ed/humloop.pdf
>
>You don't need to go as far as their recommendations. Just try plugging
>the gear in to the same circuit/power point first.

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