So the issue with the random firing opto looks like it finally has a conclusion. The board after all that was fine. The issue looks to have been the corrosion on the header all along. I must have had this issue from day one but never truly noticed it.
Between the Air balls, balls falling off the castle ramp and spitting out of the in lane I just must have never really noticed the random rewards on ramps like the coffin ramp.
Looking back at my shop log video I can see the stud (Back box spacer) was encrusted with rust and I had replaced it when doing the back box strip for the cabinet restore.
![Corrosion.jpg Corrosion.jpg](https://www.pinballinfo.com/community/data/attachments/177/177114-d9fc52b7ab478e08135435734f175c29.jpg?hash=2fxSt6tHjg)
It never occurred to me to check the header for damage but its in the EXACT same area. The corrosion must have worked its way into the pins.
Honestly this pin has gone through a right rehaul. Its maddening to think how many issues I've had to identify and resolve as part of the journey.
Between the Air balls, balls falling off the castle ramp and spitting out of the in lane I just must have never really noticed the random rewards on ramps like the coffin ramp.
Looking back at my shop log video I can see the stud (Back box spacer) was encrusted with rust and I had replaced it when doing the back box strip for the cabinet restore.
![Corrosion.jpg Corrosion.jpg](https://www.pinballinfo.com/community/data/attachments/177/177114-d9fc52b7ab478e08135435734f175c29.jpg?hash=2fxSt6tHjg)
It never occurred to me to check the header for damage but its in the EXACT same area. The corrosion must have worked its way into the pins.
Honestly this pin has gone through a right rehaul. Its maddening to think how many issues I've had to identify and resolve as part of the journey.
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