italie |
MAME owes italie many thank yous, hah
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Reged: 09/20/03
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Posts: 15246
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Loc: BoomTown
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Re: What would cause Mortal Kombat video to look like this?
08/14/13 04:14 AM
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> > RAM or memory latch would be my first guesses, but I don't have schematics in front > > of me for that board... > > Ah, according to CPU Sheet 14 of 16, U2 & U3 feed out to RED GUN and part of GREEN > GUN. > U20 & U21 feed out to the rest of GREEN GUN and BLUE GUN. > > So, I guess, the problem might be between U2 & U3.
U5 would be my first look, then down the line to U3, U2. Logic probe or gropunding out those chips might tell you something.
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