Gottlieb sound board

Gottlieb multimode sound board  systems 6530 replacement

The Gottlieb pinball machines used a sound system made up of a 6503 CPU and a 6530 with D/A converter.

6530-12 or 6530-13 were used in the Gottlieb System 1 sound boards
6530-14 was used in the Gottlieb System 80 series sound boards

sound2

A replacement adapter board is produced to repair the often faulty 6530 IC, called the MIOT.

miot2

sys1multi

miot1

miotcircuit

Here is the MIOT manual with complete information on the board.

More information this pinball site, they sell this board!