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(Topic ID: 257605)

Lamp column not working on Taxi with Rottendog MPU. Need some help to diagnose.


By action76

11 months ago



Topic Stats

  • 5 posts
  • 4 Pinsiders participating
  • Latest reply 11 months ago by ChrisHibler
  • Topic is favorited by 1 Pinsider

You

Linked Games

  • Taxi Williams, 1988

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#5 11 months ago
Quoted from pinmike:

Some transistors test good when they are bad.
Power off set meter to continuity place black probe on ground(strap in the backbox).Touch red probe on the tab of that transistor if it beeps it means it’s shorted

This works for lamp rows. But you have to check continuity between the tan and the lamp matrix power for this to work on a column. You can use any of the pins on the right side, second connector up from the bottom.

Chris Hibler - CARGPB #31
Http://chrishiblerpinball.com/contact
http://www.PinWiki.com/ - The new place for pinball repair info

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