pac man board acting ass-y

deadmeat13

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when i plug it in, it has jibberish on the screen and nothing happens. any idea what will fix this? there are random letters in various colors and a few pacs and ghosts floating around. all is stationary, nothing is moving.

any help would be cool. thanks,
mike
 
when i plug it in, it has jibberish on the screen and nothing happens. any idea what will fix this? there are random letters in various colors and a few pacs and ghosts floating around. all is stationary, nothing is moving.

Try the simple stuff first, check voltages on the board, should be right around 5v, re-seat the two plug-in boards, if they're present, re-seat the z80.

- James
 
Z80 socket or chip, Sync bus controller socket, bad SRAM, burnt edge connectors, wrong voltage (should be around 5.0v) to chips, dirty ROM legs, bad ROMs, and ROM sockets should be enough things for you to start with.
 
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