Newbie in over his head with Tapper PCB

PlanetC

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First, I'm new to the hobby, but thanks to this forum, learning as I go. Recently I picked up a gutted Tapper cabinet, and I'm considering restoring it. I just picked up a Tapper PCB that appears to be missing some ROMs. Check out the picture - what exactly am I missing and is it possible to replace these possible missing chips?

Thanks for any help,

Mike E.
 

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    tapper pcb.jpg
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MCR Super Sound I/O

Ok, I'm figuring out this is the MCR Super Sound I/O board. I think A6 is a RAM chip, and A7 - A10 may be unique to Tapper. Is A12 a Z-80? And are F6 and F7 a left and right channel? Anyone know where I could get these chips?
 
You'll have better luck in the "Repair" forum instead of the "Restoration" forum. This forum is more for cabinet restoration. Repair is more for PCB repair.
 
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