Intermittent problem on my North Star finally became mittent (?). Blessing, as it can now be fixed permanently, right?
Score reels reset to zero. But score motor runs indefinitely. One relay bank indefinitely fires while the score motor runs. The second relay bank, which houses the start relay refuses to fire at all. Coil and fuse check good. Previously, if I just waited, the game would finally "catch", drop the balls and start a game after the score motor and the relay bank fired a handful of times.
I found that if I activate that second relay bank coil manually, the balls will drop, and a game will start. Everything will score in this state except the two bottom rollovers near the flippers. Game will never reach game over though.
Excerpts of the schematic can be posted post haste. I need a little help with the logic of following the circuit and which contact to check.
Thanks in advance EM folks.