(Topic ID: 151330)

IJ (WMS) lamp issue

By flacky

8 years ago



Topic Stats

  • 4 posts
  • 3 Pinsiders participating
  • Latest reply 8 years ago by flacky
  • Topic is favorited by 1 Pinsider

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#2 8 years ago

Bookmark this website. It's your new best friend.

http://www.pinwiki.com/wiki/index.php?title=Williams_WPC#Controlled_Lamp_Problems

I'd guess that the problem might be a bad TIP107 transistor on the board, or it may be a bad or mis-wired diode on a lamp somewhere. This website will help you perform the necessary tests to figure out exactly what the problem is.

Also, you might want to check out this thread: https://pinside.com/pinball/forum/topic/tech-ijw-lamp-matrix-problem

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