Ï have a partial faulty Konami PCB named Xexex. It's faulty because there is no screen image. I know the board is working because I hear the normal gameplay sounds (music, credit insert, etc.), I just can't see a thing. I checked the board on multiple cabs with always the same result. When I got the board there was an image for a few minutes, but it was only green ( I went into test menu and blue and red were indeed not there). But since I fired the board up for the second time the image is gone. One luck: I got the board for free.
Is there anyone here who thinks he can repair it, or want to try it? The board is now pretty useless.