(Topic ID: 260143)

Disco Fever Coil Issues - Stumped

By misterhare

4 years ago



Topic Stats

  • 7 posts
  • 3 Pinsiders participating
  • Latest reply 4 years ago by zacaj
  • Topic is favorited by 1 Pinsider

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#2 4 years ago

Unplug 2J9 and 2J11. If they still lock on, then it's a board issue.

#5 4 years ago

I'm having trouble finding the schematics for this board, since it's not an original

#7 4 years ago

It looks like all the coils mentioned are on 2J11, and nothing else is... All the coils on 2J11 are controlled via the same chip, IC30. So it could be a coincidence that those three are dead, or the chip could be bad, or whatever drives the chip. With the connectors disconnected again, turn the game on and check continuity from each pin on 2J11 to ground. You should get continuity at least on pins 4,5,7 which are your three coils. If you get continuity on the others too, then it's definitely a problem the logic.

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