[Coco] CoCo 2 to Composite

Zippster zippster278 at gmail.com
Wed Aug 8 20:39:07 EDT 2018


Oh, I see what you’re after.

You are looking for a demodulator.  Here’s one that will demodulate
channel 3 RF to composite and sound.

https://www.ebay.com/itm/MCM-33-2060-RF-Demodulator-CH-3-IN-Composite-A-V-OUT/372295167212?hash=item56ae856cec%3Ag%3AQwEAAOSw14xWOONI&_sacat=0&_nkw=demodulator&_from=R40&rt=nc&_trksid=p2380057.m570.l1313.TR5.TRC0.A0.H0.Xdemodulator.TRS0 <https://www.ebay.com/itm/MCM-33-2060-RF-Demodulator-CH-3-IN-Composite-A-V-OUT/372295167212?hash=item56ae856cec:g:QwEAAOSw14xWOONI&_sacat=0&_nkw=demodulator&_from=R40&rt=nc&_trksid=p2380057.m570.l1313.TR5.TRC0.A0.H0.Xdemodulator.TRS0>

There are others, but this is a compact currently manufactured one.

- Ed

> On Aug 8, 2018, at 7:04 PM, John Mautz <ejmautz2 at gmail.com> wrote:
> 
> Ed,
> 
> I thought of that, but the CoCoVGA is an internal mod so it would only work
> with the CoCo 2.  Which is fine, but I would hate to spend the money just
> to find out the CoCo 2 is dead.  I was hoping to just plug an adapter into
> the RF out and some device(s) would convert that signal to composite so I
> could use a normal monitor.  This would also be universal for other systems
> which would be great.
> 
> Thanks,
> John.
> 
> On Wed, Aug 8, 2018 at 7:49 PM Zippster <zippster278 at gmail.com> wrote:
> 
>> HI John,
>> 
>> For CoCo 1s and 2s, there is the CoCo VGA for connecting to VGA monitors.
>> 
>> That’s one option.
>> 
>> http://cocovga.com/ <http://cocovga.com/>
>> 
>> - Ed
>> 
>> 
>>> On Aug 8, 2018, at 6:41 PM, John Mautz <ejmautz2 at gmail.com> wrote:
>>> 
>>> Ok CoCo fans, up until now I have only played with CoCo3's.  One of my
>>> friends saw my facebook posts and gave me a CoCo 2 and an Atari 600XL
>> both
>>> only have RF out.  I have no traditional TV's to hook these up to see if
>>> they work.  So, here is the question....
>>> 
>>> What fancy or basic adapters are you using to hook these RF only devices
>> to
>>> composite monitors?  I've done some looking on Amazon and it seems the
>>> items thy have listed convert HDMI/Component to RF not the other way
>> around
>>> and they don't say if they are bi-directional or not.
>>> 
>>> Thanks for the help.
>>> John.
>>> 
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>> 
>> 
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> 
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