Opto trough board set - CAPCOM
#CPCM-TSETThese are new design trough opto receiver and transmitter boards that fit the following pinball machines:
If your pinball machine serves up random multi-ball or puts two balls in the shooter lane, or multi-ball goes on and on forever, most likely one of the trough boards is faulty!
The original factory transmitter board typically suffers from high heat stress from resistors that are improperly sized for the amount of power they draw. Over time, this can lead to transmitter failure.