[Coco] Finally RGB from a coco 2
lciotti@lrlc.us lciotti@lrlc.us
lciotti at lrlc.us
Wed Jul 1 14:45:25 EDT 2015
Ed,
Do not see a pic with the bread board, but it looks like you doubled the second
photo.
>
> On July 1, 2015 at 2:22 PM Zippster <zippster278 at gmail.com> wrote:
>
>
> Fred, I put the pics on my google drive so these guys can see them, I hope
> that’s alright.
>
> The pics show a breadboard with a circuit using 6 transistors and several
> resistors, along with
> the green alpha startup screen on a monitor and small tv. Looks like the
> HDMI converter with
> the RGB on the monitor, RF on the little TV.
>
> - Ed
>
>
>
> The text from his Atari Age post…
>
> "I have been working on this coco 2 rgb mod for sometime.. I unfortunately
> got laid off last week, but on the flip side, with the extra time, I have
> finally got this working perfect. It basically turns the r-y b-y into RGB.
> Then I run it into a scart to hdmi converter. The picture is of 1080i output.
> Check it out."
>
> And pics...
>
> <https://drive.google.com/open?id=0B1sgl615FlGnQWVuUHdGamRLS1E
> <https://drive.google.com/open?id=0B1sgl615FlGnQWVuUHdGamRLS1E>>
> <https://drive.google.com/open?id=0B1sgl615FlGnNmtxRjhhMFlNSEE
> <https://drive.google.com/open?id=0B1sgl615FlGnNmtxRjhhMFlNSEE>>
> <https://drive.google.com/open?id=0B1sgl615FlGnNmtxRjhhMFlNSEE
> <https://drive.google.com/open?id=0B1sgl615FlGnNmtxRjhhMFlNSEE>>
>
>
>
> > On Jul 1, 2015, at 1:09 PM, Joe Grubbs <jsgrubbs at hotmail.com> wrote:
> >
> > How accurate are the colors? The traditional problem has been proper
> > level translation so that red appears truly red, orange appears truly
> > orange, and black is truly black (and not blue-ish), etc.
> >
> >
> >
> >
> >> To: coco at maltedmedia.com
> >> From: Fredkono at gmail.com
> >> Date: Wed, 1 Jul 2015 16:55:43 +0000
> >> Subject: [Coco] Finally RGB from a coco 2
> >>
> >> I finally got a perfect working circuit to run RGB from a COCO 2. Check
> >> it
> >> out on Atariage.
> >>
> >> I am new to this forum so I cam not sure how to post pictures.
> >>
> >> http://atariage.com/forums/topic/239999-rgb-out-of-a-coco-2-i-finally-
> >> have-a-working-prototype-looks-great/
> >>
> >>
>
>
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