[Coco] CoCo 1 composite

Steve C. towmater at gmail.com
Thu Jan 4 10:49:50 EST 2018


I tried that circuit, and ended up getting a Zippster board after being
frustrated.

Have you seen this? It costs very little and will instantly tell if any of
your components are bad. It's also handy to identify components on scrap
hardware.

ebay.com/itm/12864-Mega328-Component-Tester-Transistor-Diode-Capacitance-ESR-Meter-Inductance/222656053396

On Wed, Jan 3, 2018 at 9:22 PM, Carlos Camacho <idevgames at gmail.com> wrote:

> With the recent post asking about CoCo 1 composite video, I decided to
> build the circuit shown on Hack-a-Day. I have a CoCo 1 with RF video that
> doesn't work.
>
> I'm pretty certain I built it correctly, alas, I wasn't able to get any
> video.
>
> So either, I built it wrong, the circuit has an issue, a part(s) is bad or
> the CoCo I'm working on has some issue, hence the RF problem. I did try
> swapping out the MC1372.
>
> Has anyone built this circuit?
> https://hackaday.io/project/7613-coco-1-composite-video-output
>
> Carlos
>
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>


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