Replacement Infrared opto printed circuit 2 board set.
2 board set includes receiver and transmitter boards used in Bally DR WHO pinball machine A-15500 5 target assembly.
Reference:
A-15500 target assembly
A-15431 receiver board
A-15432 transmitter board
5768-13196-00 transmitter pcb
5768-13196-01 transmitter pcb
5768-13195-00 receiver pcb
5768-13195-01 receiver pcb