Category: Pinball

WPC Board components

Molex 22-28-4361 Headers & Wire Housings 36P 1 ROW VERT HDR Molex 22-28-0360 Headers & Wire Housings 36P BREAKAWAY HEADER

Williams WPC Driver Board Versions

Straight from the old Marvin guides A-12697-1 (5763-12405-00): the driver board used from Funhouse to the middle production of Twilight Zone. It has a flipper enable relay on the board. Can be used on all WPC games from Funhouse to WhoDunnit (the most versatile non-WPC95 driver board, can be used in any WPC-89 or WPC-S […]

Stern Starwars Premium 3D Prints

New 202303 Scale notes: Will try ratio 13/8 = ~1.625 Star_Wars_X_Wing__S-foils_in_attack_position_5175115 Huge amount of stringing, would’ve been a great print without that.. Same again but Tie_Fighter_1150625 Looking to size same as 40% X-Wing above, X-Wing = L 80mm, Tie Fighter should be 50mm Star_Wars_X_Wing__S-foils_in_attack_position_5175115 Then again retraction 1.4 still stringing..

Pinball Non Volatile Ram

Replacing Ramtron FM16W08SG 28 pin soic replaces 6264 Note FM1808 (256 Kbit) replaces 62256 directly with no jumper changes needed Just to add a note about the clock… there is a jumper on WPC MPUs to allow the RAM to connect directly to the +5V rail so when I install RAM adapters in WPC games […]

WPC GI Dimming

General Illumination (GI): contains five separate strings of up to 18 bulbs per string, with a maximum of 90 bulbs. Each string is controlled by a Triac, which is controlled by the microprocessor. The microprocessor has control of the triaces through through a latch that it uses to store control signals. The GI circuit can […]


Sample patent: Patent tips

Pinball: The Getaway II

2014? Not looked at until 20180221 Right slingshot: broken link, replaced Top flipper sticking replaced coil sleeve & spring Right pop bumper not firing, adjusted leaf switch Main fuse blowing: replaced inrush limitor, spike arrestor, EMI filter (Had to use Jaycar part), note it was the EMI filter that was blowing the fuse! Gone to […]