Well, two weeks ago, I finally figured out the source of my power problems… a very obscured shorted out wire. After resolving the short and resoldering a few solenoids, the power problem went away. To my amazement, all my other switch and lighting problems went away at the same time. Today I replaced the flippers, the rubbers and the balls. I put all the plastics back on the playfield and cleaned the glass.
The machine is done, man.