(Topic ID: 292011)

MM sound problem

By Maurice

3 years ago



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  • 3 posts
  • 3 Pinsiders participating
  • Latest reply 3 years ago by Pin_Guy
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#1 3 years ago

When I start a multiball madness or sometimes during start of a regular multiball I hear the sound of a single or super jackpot, but no ball is activating the switch. Also the tilt warning sound is heard at start of a mb, but only that. I still have 2 warnings left. Do I have corrupt sound roms? Any tips are welcome.

#2 3 years ago

You may not have a sound problem.
You may have a switch problem.
Enter switch test. Make sure that one switch closure causes only one switch to be reported.
--
Chris Hibler - CARGPB #31
http://ChrisHiblerPinball.com/Contact ... for board repairs
http://www.PinWiki.com - The Place to go for Pinball Repair Info

#3 3 years ago

I agree, sounds like a switch matrix issue. Both of the sounds you are hearing indicate a closure of switch 44 and switch 14 (YELLOW) respectively, both of these switches are on row 4 which is half of your phantom switch issues pre-identified. Since this also seems to occur when a ball is in the shooter lane and/or there are less balls in the ball trough (GREEN), this gives you additional information to help you test for phantom switch closures.

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