Quoted from Quench:The modern sounds come out of the AD558 Digital to Analog Converter (DAC) chip at U10 on the S&T board
And, the sockets they used for the AD558 were crappy. I always replace that socket.
--
Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact
http://www.PinWiki.com - The Place to go for Pinball Repair Info