[mythtv-users] Humming Noise coming from LCD tv

[Simon Hobson]

Stephen P. Villano <stephen.p.villano at gmail.com> wrote:

> (*My first thought*) was, *what* kind of hum is it?

Good point

> Back when I repaired televisions, I even heard a complaint about 10khz hum!
> That last was repaired by a filter, as interference caused it due to
> proximity to several high power television stations. The trick was
> learning what the frequency was and knowing what the other frequencies
> were and her IF frequency.

I can vaguely recall the days (long time ago now) when I could hear the 15.625kHz (UK PAL) whine from the TV horizontal scan circuits. The things modern youngsters miss out on :D