[Coco] CoCo 2 Factory Composite Video RE'd

[Zippster]

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
>> 
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