(Topic ID: 8136)

Phantom Tilt issue on Williams Flash

By Bamaro

12 years ago



Topic Stats

  • 2 posts
  • 1 Pinsider participating
  • Latest reply 12 years ago by Bamaro
  • Topic is favorited by 1 Pinsider

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#1 12 years ago

My Flash has just recently begun to Tilt for no apparent reason at all. The weird thing is that it only happens when the ball goes over the rollover wire on the left of the machine behind the left ball kicker where the ball rolls to the left flipper, nowhere else. In trying to check it out I found out that none of the tilts work when I try to set them off manually other than the plumbob tilt.
Maybe not related but at the same time I have noticed that with the 4 lanes at the top where a launched ball first drops through, if the ball goes down #1 it lights #4 also (and visa versa) but #2 and #3 work normal. The MPU and Driver boards were recently replaced with a combo board but these problems just recently showed up.

#2 12 years ago

Found the problem with the help of Jim from Rottendog ( I have his combo board installed). He said all my problems seem to be related to the switch matrix and were probably on the same row or column. He said I might have a short or an open. Sure enough, one drop target that was also malfunctioning has two diodes coming off it and the wires were touching each other. I moved them apart and machine is now back to 100%

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