[Coco] Composite Video

[Luis Antoniosi (CoCoDemus)]

Did you try the RF ? Serious, take a rca to F connector and use a cable
coax tv and plug it into the antenna/cable in of any TV. Check if there is
signal on channel 3 or 4.

Also, using a cable like this the image is pretty good.


On Wed, Aug 14, 2013 at 1:14 PM, <billg999 at cs.uofs.edu> wrote:

> > I didn't have any problem hooking my Coco3 on my Sony Bravia LCD TV or my
> > Dell 2001 LCD monitor with composite input or a Coby 17" TV LCD.
>
> Hmmm....  And that brings me back to the possibility that time has
> made some component drift out of spec and it is just my COCO3 that
> has this problem.  I wonder if I have another COCO3 in one of those
> boxes in storage that still works?  (I know there is one that is dead
> but if people here are right it may be as simple as a new CPU, of which
> I have a few, to make it work again.  Oh yeah, and the time to do it.)
>
>
>
> bill
>
> >
> > I do have problems with the 2 transistor drive use on old cocos1. Some
> TVs
> > don't like it.
> >
> >
> > On Wed, Aug 14, 2013 at 12:55 PM, <billg999 at cs.uofs.edu> wrote:
> >
> >> > CoCo 1 & 2s need an adapter for composite output.  Their standard
> >> output
> >> > is
> >> > analog RF for TV channel 3 or 4 (or was that 2 and 3?)  I have not had
> >> any
> >> > issues with the CoCo 3 composite output into a composite monitor of
> >> the
> >> > same
> >> > vintage.
> >>
> >> Of the same vintage, that is the problem.  I guess I made the mistake
> >> of assuming "NTSC composite video" actually was some kind of standard.
> >> Looks like it is back to the drawing board as I don't see many monitors
> >> "of the same vintage" being offered today.  Is there anywhere I can find
> >> out just what the COCO3 does different from other NTSC Composite Videos?
> >> Is it something as simple as levels? Or are we talking about wacked out
> >> waveforms and timing issues?  I was utterly amazed at how crisp and
> >> clean
> >> the Apple2 output is on a modern technology monitor.  Surely we can do
> >> the same.
> >>
> >> bill
> >>
> >>
> >>
> >> --
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> >>
> >
> >
> >
> > --
> > Long live the CoCo
> >
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> >
>
>
>
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>



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