Quoted from Chum43:
Sorry ..yes... Score reel coil. I just ask because alot of times it is just worn parts not performing properly. Just watch it and see if it tries to fire 5 times. If it does and still only get 2 or 3 hundred at least youll know where to look.
I was having a hard time telling while watching by eye. In comes Apple.
That's from a ball launch. Ball went through a 1000 point lane first, then hit two pops. Kind of a nice comparison. 1000 point reel advances fine, but it sure doesn't look like the plunger on the 100 point coil is pulling in.
If I'm understanding Rolf and his diagrams right - it's the plunger mechanism on the score reel coil opening the EOS switch for that reel that cuts the power to the relay?
Checked the EOS switch for the player one 100 point relay by hand and it all seems right - the plunger pulls the link arm thing which catches the next tooth on the wheel, and a bit of the arm hits the EOS switch opening it. Then again, I'm moving the plunger with my finger. Per the video - it's obviously not pulling in the plunger even enough to advance the wheel nonetheless open the switch.
If I'm understanding it right, this coil failing to open that EOS switch could be the culprit, correct?
But since this behavior is happening on all four players - it shouldn't be a problem with the score reels, but something else, correct? Also, every wheel on the machine resets properly at the start of a game when they're getting pulsed by the score motor.
As of now, with the paper in place, opening the player 4 EOS switch, the 100 point relay actuates when 100 and 500 point shots are hit, but now the 100 score reel rarely ever advances. Not for player 1, 2, or 3. Pulling the paper for player 4 caused the 100 point relay to lock on the first time a 100 point shot was made.
Am I wrong in my thinking here? Seems that there's something wrong between the 100 point relay firing and the pulse properly reaching the appropriate 100 point reel. The intermittent behavior makes me think maybe a loose wire? Any ideas?
Checking every obvious wire and solder joint I can for now.
Edit - Unless I'm missing something obvious, there doesn't look to be anything wrong with the connections at the relay. All solder joints are solid - nothing touching each other to cause shorts.
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