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Sega Outrun Video Fault
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Question
Guy
My Sega Outrun has a curious video fault.
Background symbols are displayed incorrectly - i.e. ASCII characters rather than blocks.
Background buildings look very strange - see attached.
When I run a memory test, IC65 fails.
I've replaced IC65, but the fault persists.
I suspect that it's either an address or data bus fault, rather than the RAM itself.
Time to get the scope out if I can figure out how to physically get to the bus - the video board is the bottom board in the stack.
If anyone else has come across this please let me know.
Regards.
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