CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
Electro Magnetic Interference (EMI) controller board is used on many Williams/Bally WPC system pinball machines.
Reference:
A-15340 board
A-15340-1 board with spacers
A-15340-AI
5768-13163-00 circuit board