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The 315-5685 ASIC is very broken inside.
Hi all,
I've got a VA2.3 Genesis with a KA2195D and 315-5685 ASIC. I was wondering if anyone else has seen this on their VA2.3 Genesis:
Attachment 13744
As this shows, there are faint 'bright' ghosts on the edges of the letters. It doesn't do this on all graphics; it only shows on certain graphics in certain games (like the big letters in Jungle Book, and around Batman/Robin in The Adventures of Batman and Robin). It did this from the moment I got it, I have not modified the video logic in any way. (Though I'll eventually get rid of the horrible KA2195D, I'm holding off on that for now.) I've got another VA2.3 with this ASIC (but a different encoder) and it has the same issue, but another VA2.3 and a VA2 I have that both have 315-5786 ASICs don't have this ghosting.
So on the 315-5786 based systems, there is no ghosting at all, only on the 315-5685 systems. Using the same cables and power adapter for all of them.
Any ideas on what might be causing this? (And if possible, a fix?)