I feel ya. I only mess with through-hole pinball stuff (similar to what you do.)
I don't have PMs this far back, but it looks like Xian Xi did it for me, along with another repair, I think
http://www.neo-geo.com/forums/showt...ssues-offering-for-repair-services&highlight=
I thought James make a new sound pcb that replaces the one on board?