Quoted from CUJO:What's the equivalent SE9302 transistor used for Q13 on the Driver Board?
TIP102
(Topic ID: 105354)
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Meteor
Stern Electronics, 1979
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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.
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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