You are buying the sender and receiver board for the ball trough. Direct replacement for
Williams/Bally reference numbers A-17982, A-17981, A-16926, A-16927, A-16926-RX, & A-16927-TX.
Used in Demolition Man, Indiana Jones, Judge Dredd, Popeye Saves The Earth and Star Trek – The Next Generation
This board will fix those ‘flaky’ trough ball issues once and for all.
-Direct replacements for the original boards.
-Holes for Infrared LEDs are oversized to make it VERY easy to change faulty LEDs in the future
-Tracks coming from LED pads are beefed up to prevent lifting when soldering (if you ever need to)
-No electronic knowledge required – simply remove screws and plugs and new boards mount in exactly the same position as the originals
-Additional NEW 2 LEDs mounted on the TX board indicate operation of the 7 TX LEDs – visible by looking through the coin door
-7 LEDs indicate when RX beam is broken – makes confirming operation very simple
-No modifications at all to the original machine in any way and NO soldering required
-Both LM339 ICs are socketed using high quality “turned pin” sockets