Left flipper suddenly dead...(Bally Star Trek)

AE35

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Hi all!

My left flipper just died. Everything else works. If I turn of the game and start it again,
the flipper will fire maybe once, then only make a TZTZTZTZTZT sound when pressing
the button again. The flipper is NOT locked at the top it returns to bottom position.

There is 43V to it, and mechanically it is ok. I've tried reseating the plugs and resoldered
the joints on J4 on the solenoid driver board.

Any thoughts??

Thanks,

Nicholas
 
Hey Mike!

The diodes seem good...however, I reseated the plugs again-again, and now the
flipper works. I need to replace those connectors I think! Funny how they can be
SO unstable.

Thanks!
 
Don't forget to check the solder side of those header pins the connectors plug into. It is very common to have hairline cracks in the solder around the pins....and have issues as you've described.

Edward

Ooops, sorry...just read you already did that.
Also check your flipper button switches and the EOS switches.
 
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