(Topic ID: 245489)

What is the most common problem resets Bally Skateball


By Blenderhead

1 year ago



Topic Stats

  • 8 posts
  • 8 Pinsiders participating
  • Latest reply 1 year ago by BigAl56
  • No one calls this topic a favorite

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#1 1 year ago

Hi group,

My Skateball has started getting random resets in the middle of a game. As the subject line says, I was wondering what the consensus is as to what is the most likely cause for this era game. Thanks for responses.

#2 1 year ago

Pinwiki has a synopsis on the MPU reset circuit:

http://www.pinwiki.com/wiki/index.php?title=Bally/Stern#Reset_Circuit

It can be as simple as your connectors not supplying a steady voltage.

There can be other uncommon reasons for a reset, but common things happen commonly. . . so start there.

#3 1 year ago

Is it happening at the same time every time? When I got my Frontier I had some fried flipper coil diodes that I replaced and the resetting cleared up.

#4 1 year ago

I had a faulty mpu once. Cold solders are another and a pain to find.

#5 1 year ago

Easiest place to start narrowing it down to me is tugging and tweaking on the mpu and solenoid board connectors and see if you can make it reset.

#6 1 year ago

Wavering 5 volts from the solenoid driver board.

#7 1 year ago

low 5v/12v. caused by bad connectors usually.

slam tilt from a switch matrix problem.

intermittent IC socket connection. gently flex on board/chips to see if it causes a reset.

#8 1 year ago

A stuck coin switch will cause random resets when the right combination of target hit and drop targets are down.

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