[Coco] COCO 2 to VGA

Fedor Steeman petrander at gmail.com
Tue Dec 29 07:54:13 EST 2009

Cool... I had no idea these existed! I do have a modded CoCo2 that lets out
a composite video signal, but it does not work properly, probably because of
bad contacts. I should take a look at it again...

Dutch CoCo Nut since 1983

2009/12/29 Torsten Dittel <Torsten at dittel.info>

> The coco2 cannot be used with my  converter.
>> It is not possible to get separate RGB signals
>> out the coco2.
> Just for the sake of completeness: I have some French (European) 50 Hz PAL
> CoCo1/2s and MC-10s in my collection which do have an RGB out (actually
> SCART compliant signals including the switch and RGB select voltage levels).
> These should work fine with Roy's box, although a sync stripping might be
> necessary to get cleanly separated H and V SYNC signals (the board outputs
> R, G, B and a "Composite Sync" signal which is actualy a B&W Composite Video
> signal. I don't know whether Roy's box is able to strip the sync signals on
> it's own (my C=1084S RGB monitor does).
> The space for the RF modulator has been used for the RGB video signal
> mixer. There's an addtional 12V generator on the board too. Heres's a 2B
> board picture: http://dittel.biz/CoCo/pcb_compl2.jpg and here the MC-10:
> http://dittel.biz/MC-10/PICT0002.JPG
> Regards,
> Torsten
> German CoCo Nut since 1981.
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