[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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>


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