Playchoice 10-NES mask rom transplant

GrndMstr

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Hello all,

I am trying to repair a Super Mario Bros 3 Playchoice 10 board. It shows on the screen but freezes and disappears when selected. I have the mask rom version of the board. I have a SMB 3 NES cartridge that also has mask roms in it. My question is: Is this possible to interchange these? If it is has anyone done it? I hate to sacrifice a SMB 3 cartridge but I have been unable to find anyone who can burn a mask rom for me. It seems that all I can get are EPROMS. I am assuming the board is good because it displays the name. I have been at this for awhile now and it is my last ditch effort to save this board.

Thank you in advance for any and all help.
 
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