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Amiga computer related discussion => Amiga Hardware Issues and discussion => Topic started by: AndyC on September 24, 2008, 11:02:53 PM

Title: Intermittent loss of graphics... help!
Post by: AndyC on September 24, 2008, 11:02:53 PM

Now, here's a thing...

I got my Amiga out from the cupboard and hooked it up to my new Samsung LCD TV.

I was delighted to find that the picture was pretty decent, even on the RF cable, and more to the point it was displaying the interlaced 640x512 mode with no flicker.

Result!

So I'm ordering a proper RGB -> Scart cable from AmigaKit without delay.

However, after a couple of hours of trying out demos, games (SWOS mainly) a bizarre thing started happening.

An intermittent "spike" (which is the only way I can describe it) started happening where I would momentarily lose the picture (replaced by TV static). I'm using the RF cable in the aerial input by the way...

Other than that, the system appeared to be unaffected.

Does anyone have any ideas what this might be?

Cheers!
AndyC

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Just noticed it's my 200th post! Nice!

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Spec:

A1200 w/ 2.1GB internal HD, Blizzard 1260 w/ 16MB fast RAM, SurfSquirrel with CD-Rom drive, MAS Player...

Title: Re: Intermittent loss of graphics... help!
Post by: rkauer on September 25, 2008, 08:21:23 AM

 Could be a lot of things.

 My only advice is hook some sort of electrical separator between the TV RF in and the Amiga RF out, like a 1:1 step transformer.

Title: Re: Intermittent loss of graphics... help!
Post by: AndyC on September 27, 2008, 12:55:59 PM

Thanks...

I just took delivery of an RGB+Audio -> RGB SCART cable, and the problem has gone.

Must have been something to do with the RF cable/ port.

I do have another slight issue though...

The picture through the LCD tv is amazing - crystal clear -except that it has a slight wobble (which is the only way I can describe it...

Is there a particular monitor driver I should use with an LCD tv?

I have a Samsung LE26A by the way...

Thanks in advance!

AndyC