Quoted from Lovef2k:Kinda the response I was expecting. I already prepared the owner of this possibility. The RD is $460 though ouch.
I'll check the connectors. I know the ribbon cables look iffy.
Quite a mess to clean up there. I would order a Dumbass replacement board and transfer the parts over.
Edit: https://pinside.com/pinball/forum/topic/dumbass-test-and-reproduction-pcbs