Williams System 3,4, & 6 LED Display Boards - used on Blackout, Contact, Disco Fever, Fire Power, Flash, Gorgar, Hot Tip, Lazer Ball, Lucky Seven, Phoenix, Pokerino, Scorpion, Stellar Wars, Time Warp, Tri-Zone, and World Cup - New design using LED technology. Matched color and brightness to original displays. Plug and Play with original board set, no special tools required. You get 5 boards with 1 order - 1 master display board and 5 of the 6 digit displays. No high voltage required - they will operate even with defective +/- 100 V power supply; Boards use 100% thru hole electronic components; no fragile gas display; Simple design; no custom integrated circuits; LEDs are with black face to help with visual when game not on, comes with schematics |