(Topic ID: 275083)

Just picked up Bad Cats, odd coil misfires... any ideas?


By Turbo74

5 months ago



Topic Stats

  • 4 posts
  • 3 Pinsiders participating
  • Latest reply 5 months ago by PinballManiac40
  • Topic is favorited by 1 Pinsider

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#1 5 months ago

Just picked up a nice bad cats and everything seems fine except a couple things. The tiger ramp entry switch is broken which is minor but this ones’ the head scratcher:

When the ball enters the top left roundabout Hole by the vari-target, the right slingshot fires and the ball stays put. I have to wait for the ball to eject. When the ball goes in the dog house, the pop bumper directly above fires but nothing else. It worked fine for a few plays, did this once and then was fine again until now and it does it all the time. I let the machine sit for a bit and it plays fine when cold. After it’s on a bit it starts acting up so it’s heat related I think? I’m baffled. Where should I start to look? Thanks for any help!

#2 5 months ago

With the machine off, check to see if all of your connectors to the boards are fully seated. Also check to see if there are any loose wires that may have pulled out of the connectors. Start there and see if you find anything noticeable.

#3 5 months ago
Quoted from PinNickleby:

With the machine off, check to see if all of your connectors to the boards are fully seated. Also check to see if there are any loose wires that may have pulled out of the connectors. Start there and see if you find anything noticeable.

Checked all and reseated and it still did it. I remember having a similar problem with a Hurricane I had and it turned out to be a bad IC on the main board. I wonder if I have another bad one. Funny thing I left it on for an hour just a bit ago and played 8 games on it and it didn’t act up? So strange

#4 5 months ago

If power is suppect, measure 5v, 12v and -12v on the power supply when you first turn it on and when it starts acting ok. I suspect you need to recap the power supply.

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