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.
Newly re-designed opto receiver for late model Williams/Bally WPC-S, WPC-95, and Pinball 2000 pinball machines replaces part numbers A-18618, A-18618-1, and PCBNo. 5768-14122-01.
This new board has a number of improvements over the original including:
Highly sensitive IR sensors thatt filters almost all visible light
Tapered PCB conforms perfectly to the space provided and is significantly stiffer than the original, reducing board flex. Larger traces and pads for better reliability and longevity.
Reference:
A-18618
A-18618-1
5768-14122-01 pc board
5768-14122-02 pc board