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Data East, 1993
Back to the Future: The Pinball
Data East, 1990
Batman
Data East, 1991
Checkpoint
Data East, 1991
Guns N' Roses
Data East, 1994
Hook
Data East, 1992
Jurassic Park
Data East, 1993
Laser War
Data East, 1987You're currently viewing posts by Pinsider shock-king.
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Hey guys, my Data East simpsons has a slight problem with the left flipper. Every once and awhile the flipper will just stop working. I tried adjusting the switch itself but it still does it. Do you think this problem is the switch itself? Or possible something else. Thanks for any advice. Ron
Thanks for the help gave me a great place to start.
Quoted from PinballManiac40:One of 2 things I would suspect. Either it is one of the 2 ribbon cables or the DMD controller board is becoming an issue.
I would start with the ribbon cables. Reseat them, both sides, not just at the DMD controller, to the DMD and to the MPU boards as well. If that doesn't help, try wiggling the ribbon cables near the connectors while some is test playing the game or just hitting different playfield switches. This is the best way to pinpoint a ribbon cable issue. Most of the time I found the small ribbon cable from the DMD to the DMD controller is the issue.
On the DMD controller, you can wiggle the 2 pin power connector (with red/black wires). Sometimes the issue is one of the 2 wires become loose IDC connector. Other possible problem is broken solder joints on the male 2 pin power connector. Would not hurt to resolder these on the back side of the DMD controller board.
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