- Every Chip Socketed for Easy Repair
- Improved design: Upgraded 3W resistors with heat dissipation Vent holes
- ALPS Brightness adjustment knob
Please be sure to check which version you have
7 Ball Opto Trough Board Set for Williams/Bally Wide Body Pinball Machines sell - Every Chip Socketed forBrand New 7 Ball Opto Trough Transmitter & Receiver Board Set compatible with Bally Williams. Plug and Play direct replacement with all features from the original. Replaces Bally Williams: A 17982, A 17981, A 16926, A 16927, A 16926 RX, & A 16927 TX High Quality Components We only use genuine components from reputable companies, (ST, Onsemi, Molex, Nichicon, TE Connectivity, Vishay, Yageo etc) True to Original Supports Every Single Game as the