[mythtv-users] My TV doesnt like input from computers

[Shanon Mulley]

Thanks for the reply - I have only just been in a position to give
this a try (2 months later...).

And... no go. Turning the brightness right down does nothing. It is identical.

Does anyone else have any ideas?

On 4/11/06, Marco Nelissen <marcone at xs4all.nl> wrote:
> >I have a bit of a weird problem with my TV. When it takes input from a
> >computer, the image is never quite right. It seems (for lack of better
> >words to describe it), that the horizontal stretch is off. That is,
> >the image pulls away from the sides of the tv (left and right), to
> >leave a few cm (sometimes more then 5cm) of black space on either
> >side. This gap isnt consistant either - it varies depending on the
> >brightness of the image being shown. And if the brightness varies for
> >the current image (say the top is bright, and the bottom is dark), the
> >gap at the sides varies to.
>
> I've seen this with many CRTs, even computer monitors, or TVs with
> non-computer images. It's certainly not something that's specific
> to feeding a computer signal to a TV.
> Basically, the horizontal deflection voltage isn't stable and being
> influenced by picture brightness. It could be that the signal you're
> providing is simply too bright for the powersupply to supply adequate
> voltage to all its sub-circuits. Try reducing the brightness and see
> if the problem goes away or is reduced to acceptable levels. If not,
> your TV's power supply may need to be repaired. If you don't want to
> spend the money on repair, you could try making the problem less
> obvious by dialing up the image size until the gap is no longer
> visible.
>
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