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Trough 7 opto assembly Kit

Williams WPC System trough 7 opto 2 board set
Upgrade Kit replaces the 2 boards in the 7-opto ball trough. One is a transmitter board, one is the receiver board.

Fits the following Wide Body Williams / Bally pinball machines.

• (Williams) INDIANA JONES
• (Williams) STAR TREK THE NEXT GENERATION
• (Bally) JUDGE DREDD
• (Williams) DEMOLITION MAN

Reference:

• A-16529
• A-16530
• A-17982 receiver blue board
• A-17981 emitter green board