[Coco] CoCo2 Composite Boards (update)

Joe Grubbs jsgrubbs at hotmail.com
Wed Mar 4 10:44:59 EST 2015


Oh man this is awesome! I can't wait until I can actually do away with Channel 3 once and for all :)  My PayPal account is standing by

-Joe


> From: zippster278 at gmail.com
> Date: Wed, 4 Mar 2015 09:42:18 -0600
> To: coco at maltedmedia.com
> Subject: Re: [Coco] CoCo2 Composite Boards (update)
> 
> Another update for everyone interested in the composite boards…
> 
> I ordered 50 PCBs for the A type yesterday, so should be about 2 weeks on those.
> After going over some prices I’ve decided I’m going to offer these at $25 ea assembled.
> 
> I’ll be ordering the B boards soon.  After putting an oscilloscope to the board I can see
> the signal isn’t exactly where I want it, so I have a little adjustment to make there.
> Shouldn’t require a board redesign though, probably just a change in a couple of resistor values.
> I believe the difference is due to slight differences power supply voltages in the two
> motherboard types.
> 
> A question for people wanting a B board.  Is the switch for B&W mode something people
> will want?  It adds about $8 to the overall cost.  I’m thinking about just offering this one as color
> only, though the connections will be on the board, so you could run your own switch.
> Some shielding will also be recommended for the B board if using B&W mode.
> 
> - Ed
> 
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