[Coco] RGB cable for Samsung SyncMaster 711mp

Luis Antoniosi (CoCoDemus) retrocanada76 at gmail.com
Thu Apr 10 16:31:40 EDT 2014

In your video you are clearly missing composite sync. I bet you wired
it to the wrong pin.

On Thu, Apr 10, 2014 at 4:22 PM, Ken H. <dragon.atv at gmail.com> wrote:
> I have built a Coco3 RGB to SCART cable for my Samsung SyncMaster 711mp
> monitor but the image is jumping around.  You can see it in this short
> video here: http://youtu.be/5Jm2T_HyK5E
> What's wrong? Is the Sync signal wrong or perhaps this monitor doesn't
> support 15khz RGB? (although I believe it should)
> I have used a 74ls02 to create the composite sync.  Scart Pin 8 has 12 volt
> and pin 16 measures about 5v.
> Can you tell what's the problem based on how this image looks?
> thanks
> Ken
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco

Long live the CoCo

More information about the Coco mailing list