I have an original sinking institute on my earthshaker.. Powering the Game on and the building goes up and down fine but during game play it will move to half way in star of full up or full down... Both opto switches work in the test... I am stumpped on this one... Any one have this issue before?
Quoted from Sputnik:Following... mine gets fruity from time to time.
I just unplugged the motor... For now it will remain a fixed buiding...
doing a bit of research on this issue and found that The shaker motor has a small board by the motor. The circuit that controls the motor on the CPU board is a Special Solenoid TIP122 transistor and is the appropriate transistor (transistor tested good) but replaced it with a new TIP102 (slightly more robust.)
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Round Hill, VA
Flinders Park