chris7686
Pinball Nudger
- Joined
- Aug 11, 2013
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- 1
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- Favorite Pinball Machine
- twister
I recently became the owner of a Sega Twister Pin with some issues!!! YAy ME! LOL Found all 50V coils inop.lead to fuse 21 being blown which lead to Transistor Q1 being shorted on.Pulled out board,replaced q21,reassemble.all fuses stayin intact and coils all working except upkicker. Found 76v on both side of coil.check continuity on both wires which is good. Grounded Q1 and upkicker energizes and works correctly. This is about where my knowledge lead me to thus far and I need some HELP!!!! Please!!! What parts of power board control acativation of this circuit?