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 […]
Category: Pinball
New 202303 Scale notes: https://www.starwars.com/databank/tie-fighter https://www.starwars.com/databank/x-wing-starfighter 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..
ZD-985 80-552A from Rhinotools.com.au Slow to heat, really slow After use whilst hot, ensure is not clogged Parts cheap and easy: Order 9/11/2019 arrived 25/11/2019 to NZ
https://thepiratebay.org/torrent/6337010/pinrepair.com_Pinball_Machine_Repair_Guides___And_other_misc_Pin Power for testing via 7 pin J210 Pins 1,2,3 = ground Pins 4,5 = +5 volts DC Pins 6,7 = +12 volts DC RottenDog MPU089 Jumpers
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 […]
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: https://www.google.com/search?biw=1920&bih=969&tbm=pts&tbm=pts&q=inassignee:%22Randall+Bret+Perlow%22 https://patents.google.com/patent/US8773452?oq=pinball+display+upgrade Patent tips http://ellisterry.com/wp-content/uploads/NZ_Patent_System.pdf
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 […]
Bought 2016 sometime Observations: The cleanest best condition machine I’ve ever seen, immaculate under the glass ColorDMD display Power driver board is a Rottendog replacement (full size, all through hole), laid out like original except BR’s are separate diodes. It seems pretty nice Firmware = LX-7 MCU board: J120 has supplementary PCB: KAHR.US Circuits Looks […]
Power Driver Board LM323K https://www.ezsbc.com/index.php/review/product/list/id/19/ WPC-S and Earlier Driver Board: BR1 to C6 & C7 (15,000 mfd @ 25v) to F114: +18 volts used for lamp driver columns. Then the 18 volts goes through voltage regulator Q2 (LM7812) and F115, and is converted to 12 volts (regulated) for the switch matrix. BR2 to C5 (15,000 mfd @ 25v) […]