Mata Hari
Bally, 1978You're currently viewing posts by Pinsider ChrisHibler.
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The top pin of the lower right connector on the MPU is where the test button is connected to.
After you start a game, you can remove that connector, play a game, and see if the failure can be reproduced.
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Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact
http://www.PinWiki.com - The Place to go for Pinball Repair Info
Quoted from chas10e:pin 1 on the J3 connector shows a color code of a solid red wire "10"
Exactly right @chas10e, the wire color should have been red. It looks like you cut the wire at pin 2, which will make some of the cabinet switches inoperative.
Why did you cut the wire? The advice was to remove the entire connector.
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Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact
http://www.PinWiki.com - The Place to go for Pinball Repair Info
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Chesterfield, MO