(Topic ID: 105354)

Meteor Drop Bank Won't Reset


By CUJO

5 years ago



Topic Stats

  • 75 posts
  • 9 Pinsiders participating
  • Latest reply 3 years ago by Quench
  • Topic is favorited by 1 Pinsider

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  • Meteor Stern Electronics, 1979

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#36 4 years ago
Quoted from CUJO:

What's the equivalent SE9302 transistor used for Q13 on the Driver Board?

TIP102

#39 4 years ago

Does it work in solenoid test? Did you also replace the diode (1N4004). I always replace them together. I'm guessing what ever blew out the transistor the first time took it out again. Or if it works in test, the switches on the drop target bank need to be cleaned with some non-coated card stock and adjusted.

#41 4 years ago
Quoted from CUJO:

Are you saying the 1N4004 on the driver board or on the solenoid under the playfield?

I always swap the 1N4004 on the board when I do the TIP102, but a bad diode on the coil could be the root cause.

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