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(Topic ID: 269437)

Funhouse Diagnostic/Test Button Problem


By shado01

5 months ago



Topic Stats

  • 3 posts
  • 3 Pinsiders participating
  • Latest reply 5 months ago by ChrisHibler
  • No one calls this topic a favorite

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    #1 5 months ago

    When I activate either the Volume Up button or the Enter/Test button the game responds as if I pushed both buttons simultaneously. I replaced the four button switch and got the same results. I replaced the coin door interface board (A-14102) and got the same results. I grounded pins J205- 8 and J205-9 separately on the MPU and got the same results. The MPU is relatively new, its the Rottendog MPU089. I don't know if the previous owner had a problem with battery leaks. Any ideas on what to try next?

    #2 5 months ago
    Quoted from shado01:

    I grounded pins J205- 8 and J205-9 separately on the MPU and got the same results.

    Sounds like the MPU has an issue. Assuming there has been no repairs done, I do believe Rottendog will repair it for cost of you shipping it to them. Contact them to be sure though.

    #3 5 months ago

    As mentioned, one of the switch matrix ICs on the board has shot craps or there is a solder bridge.
    --
    Chris Hibler - CARGPB #31
    http://www.ChrisHiblerPinball.com/Contact ... for board repairs
    http://www.PinWiki.com - The Place to go for Pinball Repair Info

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