[Coco] Last video I promise... :)

Steven Hirsch snhirsch at gmail.com
Sat Nov 29 18:53:30 EST 2014


On Sat, 29 Nov 2014, Luis Antoniosi (CoCoDemus) wrote:

> well 24 inches is a pretty long cable. I'm using 12 inches maximum.
>
> Did you check all the groundings on the board ? check the coco3 pins 1&2
> and also altera's pins GIPO0 12 & 30.
>
> in my prototype the lm1881 is detachable, so it's never plugged when I use
> the coco3.
>
> Try assembling another board without the lm1881, 680K, and the 2 caps, or
> remove them for your current board.

That gives me an idea:  I will try removing the LM1881 before cold power 
up and see if the initial waviness goes away.


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