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.
Direct replacement Williams HIGH SPEED background sound board for pinball machines that use board number C-11030 or C-11029.
Plug and play replacement circuit board come pre-installed with HIGH SPEED specific ROMs.
Each board comes complete with schematics, board layout drawings, and installation instructions.
Reference:
C-11030C-11029