[Coco] CoCo 2 Factory Composite Video RE'd

Daniel Campos daniel.campus at gmail.com
Mon Dec 15 05:54:24 EST 2014


Ed,

Please, put me in for 4 empty boards!

Thanks!
Daniel

2014-12-14 22:32 GMT-02:00 Zippster <zippster278 at gmail.com>:
>
> The board handles the audio as well.  The connector jack has 3 conductors,
> video, audio and ground.
> The cable will have RCA plugs on one end and a 1/8” plug on the other.
> You’ll sometimes see these
> for use with video cameras, etc.  A simple stereo headphone plug to RCA
> would work as well as you only
> have 2 signals, monaural sound and composite video.
>
> It’s the same connector style found on the factory board.
>
> - Ed
>
>
> > On Dec 14, 2014, at 6:17 PM, Chad H <chadbh74 at hotmail.com> wrote:
> >
> > Hey, im curius, I know my RF on my CoCo 2 provides audio as well..but
> this is done away with on the mod...so what provides audio?  I dont
> remember composite video doing that.  I remember using seperaye red/white
> RCA patches for L/R audio channels when doing this with old VCR's and DVD
> players.
> > Sent from my Galaxy S4
> >
> > -------- Original Message --------
> > From: Zippster <zippster278 at gmail.com>
> > Sent: Sunday, December 14, 2014 11:10 AM
> > To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> > Subject: Re: [Coco] CoCo 2 Factory Composite Video RE'd
> >
> > The color mode on this board is pretty darn good even on a large LCD TV.
> > The B&W mode is super clear on the same TV.
> >
> > I added a couple of pics of the output on a 46” LCD TV.
> > Of course on a CRT it’s perfect, But this pretty darn good for composite
> on a big LCD.
> >
> > Not the best pics, but gives you an idea.
> >
> > <https://sites.google.com/site/thezippsterzone/coco2-composite-board-2 <
> https://sites.google.com/site/thezippsterzone/coco2-composite-board-2>>
> >
> > - Ed
> >
> >
> >> On Dec 14, 2014, at 9:39 AM, David Ladd <dladd at realmspire.com> wrote:
> >>
> >> Zippster, Thank you :D  The HD TV's that my family has and the one I
> >> personally own the tuners still support analog as well as the ATSC
> >> digital.  The thing is the green is super over powering and can't
> >> hardly read the black text lol.  So I figure the composit might be
> >> better :D  Plus this would allow me to use the Playstation One's
> >> composit monitor too or a car backup camera display panel :D
> >> --
> >> David Ladd
> >> --
> >>
> >>
> >>
> >> On Sun, Dec 14, 2014 at 9:03 AM, Zippster <zippster278 at gmail.com>
> wrote:
> >>> Hi David,
> >>>
> >>> I can definitely do that.  :)
> >>>
> >>> - Ed
> >>>
> >>>> On Dec 14, 2014, at 1:24 AM, David Ladd <dladd at realmspire.com> wrote:
> >>>>
> >>>> You know you should sell these boards for those of us who have CoCo2's
> >>>> that don't want to build their own :D  I would love to have a Composit
> >>>> replacement for the RF modulator. :D  *hint hint*
> >>>>
> >>>>
> >>>> --
> >>>> David Ladd
> >>>> --
> >>>>
> >>>>
> >>>>
> >>>> On Sat, Dec 13, 2014 at 11:27 PM, Zippster <zippster278 at gmail.com>
> wrote:
> >>>>> Hi Everybody,
> >>>>>
> >>>>> I’ve successfully reverse-engineered the factory composite board
> found in
> >>>>> a CoCo 2 I purchased on ebay.  This board is a direct replacement
> for the RF modulator.
> >>>>> It requires no modifications to the case, and uses the channel
> switch to select B&W or COLOR.
> >>>>>
> >>>>> It seems to have very good output - I’d say better than the
> reference circuit from the 6847 data sheet.
> >>>>> It’s a more involved circuit with voltage regulators on-board and is
> AC coupled.
> >>>>>
> >>>>> Pics of the factory and re’d prototype can be seen here for those
> who are interested.
> >>>>>
> >>>>> <
> https://sites.google.com/site/thezippsterzone/coco2-composite-board-2 <
> https://sites.google.com/site/thezippsterzone/coco2-composite-board-2>>
> >>>>>
> >>>>>
> >>>>> - Ed
> >>>>>
> >>>>> --
> >>>>> Coco mailing list
> >>>>> Coco at maltedmedia.com
> >>>>> https://pairlist5.pair.net/mailman/listinfo/coco
> >>>>
> >>>> --
> >>>> Coco mailing list
> >>>> Coco at maltedmedia.com
> >>>> https://pairlist5.pair.net/mailman/listinfo/coco
> >>>
> >>>
> >>> --
> >>> Coco mailing list
> >>> Coco at maltedmedia.com
> >>> https://pairlist5.pair.net/mailman/listinfo/coco
> >>
> >> --
> >> Coco mailing list
> >> Coco at maltedmedia.com
> >> https://pairlist5.pair.net/mailman/listinfo/coco
> >
> >
> > --
> > Coco mailing list
> > Coco at maltedmedia.com
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> >
> > --
> > Coco mailing list
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>
>
> --
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>


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