[Coco] Re: Converting CoCo 2 and CoCo 3 to Component video?

[Torsten Dittel]

> Essentially that is correct. The drawback is that the MC6847 has
> only has 2 bit DACs internally for the R-Y and B-Y signals and Y
> level is 3 bits.
> 
> The thing is Component video is essentialy the modulation signal
> for the RF carrier like channel 3 or 4. COmponent video is not some
> new fangled system. All component video is are the Luminance and
> Chroma signal that would go to an RF modulator are brought out
> the back of the unit and distributed.
> 
> Converting a Coco1 or 2 to component video would gain no
> additional color but may gain a better qulaity picture. At least there
> is no RF to demodulate and all that.

I hope I'll find the time next spring to analyze the CoCo2 RGB circuit I
found on my French "Peritel (SCART)" board. The picture quality is like
a CoCo3 on my RGB monitors.

Torsten