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mste video problem ...

Problems with your machine in general.
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frank.lukas
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mste video problem ...

Post by frank.lukas »

I have some video problems with a atari mega ste mainboard. Any ideas?

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Tomswork
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Re: mste video problem ...

Post by Tomswork »

The video jittering is most likely the psu and or the capacitors in the video circuit.

Tom
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exxos
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Re: mste video problem ...

Post by exxos »

Could be bad connection on a sync ...
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frank.lukas
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Re: mste video problem ...

Post by frank.lukas »

I done all ...

The same fault are also in the RGB Video Mode.

My guess is that the combo chip mmu/glue/blitter is faulty, I dont know? Can I test the chip?
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exxos
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Re: mste video problem ...

Post by exxos »

Can only really test the chips in a different machine...

Though someone else has a odd video issue as well https://www.exxosforum.co.uk/forum/viewt ... =23&t=3681
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frank.lukas
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Re: mste video problem ...

Post by frank.lukas »

exxos wrote: Thu Dec 31, 2020 7:32 pm Can only really test the chips in a different machine...
... not practical because it is a 144pin SMD
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