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R-type repair where to start ?

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  • R-type repair where to start ?

    Hi , i looked at my recent haul and realized that there was an r-type in a box labelled as robocop .

    I power on the board and it says ram/roms ok , then nothing happens . The only thing i have tried so far is removing one of the roms to see what reaction i got ( the game never got to the testing screen )

    anyone have any ideas on what might be a likely culprit or where i should begin in terms of testing out various possibilities .

    Thanks

  • #2
    Only suggestion I have is reseating all the roms.
    Those pcbs are full of custom chips.

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