[Coco] CoCo 2 Factory Composite Video RE'd

[John W. Linville]

On Sat, Dec 13, 2014 at 11:27:17PM -0600, Zippster 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>>

Nice work!

Everyone seems to be staking their claims on this thread, so please
put me down for 2...

Thanks,

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville at tuxdriver.com			might be all we have.  Be ready.