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micky micky is offline
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Default Good sound; intermittent picture.

On Tue, 01 Nov 2011 18:59:27 +1100, Sylvia Else
wrote:

On 1/11/2011 5:54 PM, micky wrote:
Can a tv input signal connection at the input coax connector affect
only the picture and not the sound??


I have a 25" Sharp TV, CRT, that often loses its picture, but never
the sound. (Other than that, the picture and sound are very good.
It's analog and I only use channel 3 and a separate tuner.)


If by "loses its picture" you mean that the picture abruptly and
completely dissappears, with no effect at all on the sound, I'd say "no".


Boy, am I stupid. Ifnore my first answer. I thought you described
the problem here. I thought that was the problem when I first posted.

But in reality, maybe the picture is still there. It's just so dark
often nothing can be seen but little blue and red hyphen-shapped
lights blinking on for an est. 20th of a second, and then bliniking
on somewhere else around the screen. Hundreds of them at any one time.

At the same time, when closed captioning is on, it looks perfect,
white and bright and the letters fully formed.

Not tonight, but I recall that sometimes the picture can almost be
seen, like it is night time, with most of it black and maybe part,
maybe the background, very very dark blue or very very dark red,
barely one shade lighter than black. I guess when the real color
isn't blue or red, it just looks like black.

I guess my memory is going. Sorrry.

If that's the effect you're seeing, then I'd suspect an intermittent
fault in the set, either a defective connector, or a dry joint, which
gets nudged so as to form a connection for a while when you tug at the
cable.

Sylvia.