Author Topic: Problem with Gonbes3 Cga to Vga converter  (Read 3177 times)

dimmu--borgir

  • Jr. Member
  • *
  • Posts: 54
    • View Profile
Problem with Gonbes3 Cga to Vga converter
« on: July 23, 2013, 10:17:47 PM »
http://en.gonbes.com/product_detail.asp?menuid=94&id=22

Ok. Bought this "for fun". Wanted to test a Nintendo pcb on it. In this case DK3. The inverted video doesn't matter. Just for test. When connected..nothing. Tested a few things for a couple of days and I did by mistake some progress.

When I connect the videocable (RGB C-sync and ground) from the pcb to the converter absolutely nothing happens. Gets a signal though. I did by mistake remove the ground cable today. Blam! Finally a picture but not really a stable one.

What the hell could be causing this? I mean, no ground where ground should be?

Maybe a long shot but does anyone has a clue?

Thanks

dimmu--borgir

  • Jr. Member
  • *
  • Posts: 54
    • View Profile
Re: Problem with Gonbes3 Cga to Vga converter
« Reply #1 on: July 26, 2013, 11:10:14 PM »
Ok. Solved. Inverted the pcb as it should and voila. Not very good looking on a Pc crt monitor though and quite unstable picture.