I'm trying to figure out why my idol is constantly triggering on its own on my RBION. I have read old threads about the topic, and it seems the most common cause is the window the optos shoot through gets dirty. I took the under playfield magnet and opto off, cleaned the window and opto, and it's still giving me the same problem. How common is it for the the idol/opto board to go bad? I can't think of much else that would be wrong, when I try to cut the opto connection manually (by hand) it seems like they register properly. Here's a video of the issue in action: