[Coco] The chinese crt9128 works!

Tormod Volden lists.tormod at gmail.com
Fri Oct 18 17:58:51 EDT 2013


On Fri, Oct 18, 2013 at 4:21 PM, Luis Antoniosi (CoCoDemus) wrote:
> Hi all,
>
> I tested the chips I got from a chinese supplier:
>
> pic.twitter.com/7CMG1d1vv4 <http://t.co/7CMG1d1vv4>
>
> pic.twitter.com/m5PCcisX2R <http://t.co/m5PCcisX2R>
>
> They are PHILIPS branded and they work fine. This chips work exaclty like
> the SMC version incuding the overscan :P

This is great!

> Yep, this card has an annoying overscan the first and the last lines are
> not visible in some TV or monitors. Unless you have an underscan option
> (like the sony PVM has) you end up not seeing those lines.
>
> But this is something I can fix in software driver using only 22 lines
> instead of 24.
>
> I will proceed with the prototype in wire-up and they I will make few test
> cards. I'll be putting the card on osh park in case you guys want to make
> your own.

Thanks for sharing this! Just looked at your design again. You are not
hooking up the intensity signal (INTOUT, pin 8), isn't that missing an
opportunity?

Tormod



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