Description
Dual opto transmitter and receiver board set with grommets for outhole trough upkicker.
Due to vibrations of the ball trough this board is notorious for failing which results in extra balls being kicked out at random.
Data East/Sega/Stern reference #515-0173-00 and 515-0174-00.
Replaces parts 520-5173-00 and 520-5174-00.
