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I have done the new video mod, exactly the same think, except deconnecting components. Anyway with the result i get (see picture) i doubt it is interference. I had no sucess, now redone the new video mod, this time using pot 1k for the luma values (0,1,2) preset at the value given in the mod just to ...

Wow. your picture is crystal clear.. that's definetly what i want..
i double, no, quadruple check...

Thanks for answering me, i was talking about the vertical bar we see all along the screen.

Here's a picture of the black bar ia talk about.


and of the UM6526N ..
where can i find this chip ?



thanks

I get vertical black bar on my 2600, i think i have damaged my um6526n (stella) on my Atari junior. It looks like the black bar a comming directly from pin # 9.

Anyone have had this problem ?

Where can i find another um6526n ?

Thanks

I was not able to make the new video mode work for my atari 2600 junior (see previous post).
So i tried the old video mod, now i see straight vertical black bar all along the screen.

I don't know where to look at. After re-check everything seems to be well connected.

I have tried the new and improved Atari 2600 video mod. I am having some difficulties :
I have done the same as described excepts for :
Output Chroma and Lumina separate for S-video.
Resistor not disconnected on board.

I have a 2600 Junior Atari 1983 Rev C.

I can't find the corresponding ...