(Topic ID: 164023)

Metallica Pro issue

By mtp78

7 years ago



Topic Stats

  • 7 posts
  • 5 Pinsiders participating
  • Latest reply 6 years ago by Grizlyrig
  • Topic is favorited by 1 Pinsider

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Linked Games

#1 7 years ago

This is my first NIB pin....Great game...I have had it for a few months. I starting noticing last month when the ball went in the mystery hole one of the pop bumpers would go off twice and it would also show this on the dmd screen too. Now it happens all the time and even if the ball auto loads on start of a game the same pop will go off sometimes.

I looked underneath for a lose wire or connection, Nothing found. During game play all pops and mystery do work and register correctly.

Haven't called stern yet, Anyone have an idea? One fellow pinsider I chat with told me to check the leaf switch in the pop that goes off. Anyone have this issue or an idea ?

Thanks

#2 7 years ago

What he said, compare the gap to the other two and you will see it's too close.

#3 7 years ago

Check the leaf switch under the pop bumper. The switch blades are too close together and vibration is causing them to touch and fire the coil. Turn the game off, remove the balls, lift the playfield and find the pop switch and gently widen the switch slightly.

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#4 7 years ago

Will do that tonight. Didn't know I could do that from the bottom, Thought I had to take the pop cap off.

Thanks

8 months later
#5 6 years ago

Issue finally fixed. Turns out mystery hole scoop switch diode was installed backwards from factory.

#6 6 years ago

Good info!

#7 6 years ago
Quoted from mtp78:

Issue finally fixed. Turns out mystery hole scoop switch diode was installed backwards from factory

Wow,good catch finding the problem.
-Mike

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