[Coco] S-Video mod for Coco1

[Luis Antoniosi (CoCoDemus)]

12V aka: The Sexy Voltage. It fucks everything it touches...



On Mon, Sep 30, 2013 at 3:22 PM, Luis Antoniosi (CoCoDemus) <
retrocanada76 at gmail.com> wrote:

> Just one warning: the LM1889 runs on 12V. You have been warned.
>
>
>
> On Mon, Sep 30, 2013 at 3:18 PM, Luis Antoniosi (CoCoDemus) <
> retrocanada76 at gmail.com> wrote:
>
>> Your answer is on IC39. LM1889: It has several chroma inputs. Need to
>> know if one of them is useful. I bet on pin 13 Chroma Subcarrier.
>>
>>
>>
>>
>> On Mon, Sep 30, 2013 at 3:09 PM, Ken H. <dragon.atv at gmail.com> wrote:
>>
>>> Looking at the Tano motherboard I can't see an MC1372
>>> http://archive.worldofdragon.org/images/4/40/Tano64.png
>>>
>>>
>>>
>>> On Mon, Sep 30, 2013 at 9:58 PM, Luis Antoniosi (CoCoDemus) <
>>> retrocanada76 at gmail.com> wrote:
>>>
>>> > Is there a chrominance output on it ?
>>> >
>>> >
>>> > On Mon, Sep 30, 2013 at 2:57 PM, Ken H. <dragon.atv at gmail.com> wrote:
>>> >
>>> > > This is an amazing video quality for the CoCo1 !
>>> > > Do you think a similar mod could be done with the Tano Dragon?
>>> > >
>>> > >
>>> > > On Mon, Sep 30, 2013 at 5:59 AM, Luis Antoniosi (CoCoDemus) <
>>> > > retrocanada76 at gmail.com> wrote:
>>> > >
>>> > > > With a very simple driver you can make a perfect a s-video output
>>> for
>>> > > your
>>> > > > coco1
>>> > > >
>>> > > > http://www.youtube.com/watch?v=47r1S8Sjr20
>>> > > > http://www.youtube.com/watch?v=2AYpUA5H5tg
>>> > > >
>>> > > > https://pbs.twimg.com/media/BVYIpfxCEAAy8kO.jpg:large
>>> > > > https://pbs.twimg.com/media/BVYItw_CQAAQupH.jpg:large
>>> > > > https://pbs.twimg.com/media/BVYIxdGCcAEMydj.jpg:large
>>> > > > https://pbs.twimg.com/media/BVYI0ZaCAAAikiF.jpg:large
>>> > > > https://pbs.twimg.com/media/BVYJEVaCQAAJz1z.jpg:large
>>> > > > https://pbs.twimg.com/media/BVYJIJQCQAAXWOf.jpg:large
>>> > > >
>>> > > > Basicaly s-video signal works with 2 signals: Luminance and
>>> > chrominance.
>>> > > > The luminance you can use the same monochrome driver you are used
>>> to, 2
>>> > > > transistors tied on Y output from 6847. But the chrominance you get
>>> > from
>>> > > > 1347 pin 8. A 300 Ohm resistor is needed to reduce the vertical
>>> lines.
>>> > It
>>> > > > worked with 2 monitors an a s-video / vga converter I have here.
>>> > > >
>>> > > > Check the video how to get artifact colors from it.
>>> > > >
>>> > > > Didn't test on coco2, dunno if works since the 1372 is connected
>>> > > different
>>> > > > there.
>>> > > >
>>> > > >
>>> > > > --
>>> > > > Long live the CoCo
>>> > > >
>>> > > > --
>>> > > > Coco mailing list
>>> > > > Coco at maltedmedia.com
>>> > > > http://five.pairlist.net/mailman/listinfo/coco
>>> > > >
>>> > >
>>> > > --
>>> > > Coco mailing list
>>> > > Coco at maltedmedia.com
>>> > > http://five.pairlist.net/mailman/listinfo/coco
>>> > >
>>> >
>>> >
>>> >
>>> > --
>>> > Long live the CoCo
>>> >
>>> > --
>>> > Coco mailing list
>>> > Coco at maltedmedia.com
>>> > http://five.pairlist.net/mailman/listinfo/coco
>>> >
>>>
>>> --
>>> Coco mailing list
>>> Coco at maltedmedia.com
>>> http://five.pairlist.net/mailman/listinfo/coco
>>>
>>
>>
>>
>> --
>> Long live the CoCo
>>
>
>
>
> --
> Long live the CoCo
>



-- 
Long live the CoCo