(Topic ID: 186121)

WPC Flippers Stopped Working - Help!

By rogerdodger

2 years ago

Topic Stats

  • 6 posts
  • 4 Pinsiders participating
  • Latest reply 2 years ago by rogerdodger
  • Topic is favorited by 1 Pinsider


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    flipper2 (resized).jpg
    Flipper1 (resized).jpg

    #1 2 years ago

    Hi guys:

    After fuse 116 blew because there were too many lighting mods drawing on the 12V circuit (now corrected) all 3 flippers no longer work.

    The flippers do work during flipper test but not during a game. In switch test, the flipper buttons do not register at all.

    Would you suspect the 'fliptronics' board or the flipper opto board(s)?

    What's also confusing me is how can fuse 116 blowing make the flipper optos or 'fliptronics' board stop working?

    Thanks for your help guys.


    #2 2 years ago

    First job is get a meter and start taking measurements of the voltage rails.

    It may be that you have blown up the 12V supply line?

    It is created by a 1 amp regulator and this is heavily taxed by the machine - there is certainly no room to "add mods" to the 12V rail.

    #3 2 years ago

    They say a picture is worth a thousand words ...

    Flipper1 (resized).jpg

    flipper2 (resized).jpg

    #4 2 years ago

    I would start with checking 12V on J116-2

    #5 2 years ago

    May be different, but I had this happen on a Flintstones.
    Turned out it was a right flipper opto.

    #6 2 years ago

    Thanks for the quick responses.

    Forgot to say that 3 of the 4 fuses on the fliptronics boards had blown. Can't remember which one hadn't blown. Replaced those fuses but now flippers not working.

    How can a high load through fuse 116 cause 3 fuses on the fliptronics board to fail and could this also have caused 1 or both of the flipper switch optos to fail?

    Sorry, I'm lousy with reading schematics and don't understand them!


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