(Topic ID: 227827)

Star Trek:NG Solenoids 1-8 not firing. F105 not blown.

By NilZero

5 years ago


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  • 29 posts
  • 7 Pinsiders participating
  • Latest reply 5 years ago by NilZero
  • Topic is favorited by 3 Pinsiders

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#15 5 years ago

Find the connector that is responsible for these solenoids on your power driver board. Have one of the solenoids firing with the coin door shut. Wiggle the connector left and right as well as towards and away from the board, and if the solenoid starts firing, you know its that connector.

This situation happened with me on TAF, and that was how I fixed it. Ended up re-placing the IDC connector with a new Molex connector. Problem has been gone since.

Just reviewed the TAF manual. Coincidentally, my problem was with F105 controlling solenoids #1-8. In my case, I had one of the pop bumpers continually fire while I implemented the procedure above.

#26 5 years ago
Quoted from NilZero:

I believe I know the connector but have yet to try this. As it is, none of the solenoids of 1-8 fire at all but all others fire in test mode. Sun is up so I'll get at it after a coffee and see if I can get a break today.

That is exactly what my TAF did. Sounds like you already determined the fault lies within the mpu board.

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