Walnut Creek, CA
It’s a mechanical issue. The only action is UP. The fact that it is dropping means the lip isn’t catching and it’s falling down.
Don’t get me started on the rottendog replacement....
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Quoted from holminone:It’s a mechanical issue. The only action is UP. The fact that it is dropping means the lip isn’t catching and it’s falling down.
Don’t get me started on the rottendog replacement....
Unless the blue solenoid is charging to unhinge the lip.... hmmm. I would throughly check the mechanical action around the little blue solenoid.
Quoted from Dellis:Thanks for everyone's input. The problem is fixed! I documented the whole saga on my site: https://www.davesclassicarcade.com/tng-drop-target-saga
But, the TLDR version is that it turns out that the blade on the drop target switch on the replacement assembly I bought (as well as the one on I replaced that one with) was the culprit. On close examination over the weekend, I realized that the plate that pushes the drop target up was sometimes getting on top of the switch blade so that, when the plate dropped back down after pushing the target up, it was re-engaging the switch.
I compared the new switch to the one on the original assembly and the original blade was a good half inch longer than the one on the new switch--long enough to prevent that plate from getting past it! Replaced the blade on the new switch with the longer one from the old switch and the problem disappeared.
Thanks again for everyone working through this with me. It's insane that it was something so simple (yet hard to observe) at the heart of this three-week ordeal.
So true- its usually the obvious- which is why I went to mechanical issue so quickly. So glad you fixed it.
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