Quoted from procks:
Great point. I've attached a photo of each side of my top drop target under the playfield. The only connection to it that looks weird is the blue wire I've attached a photo of but I'm thinking it's fine since this pin was NIB and there wasn't a problem before.
I've attached photos to show my top drop target always starts in the down position and then sometimes pops up when a ball enters. Sometimes if the ball is traveling fast it will go all the way into the right scoop and none of the drop targets pop up. After activating multiball all of the drop targets go back to the down position. At what point is the top drop target supposed to be down? If it's supposed to start in the up position, why does mine start down every time?
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Definately starting a new game or ball the top drop should be raised.
I see something I can't explain here. Looks like it could be a cut off wire from the drop coil activity?
Then there's the switch. I have had an instance where the switch blade can find its way Above the drop tang. This could allow it to sometimes register up when it is down. Sometimes the switch blades can be more wobbly and get past the tang on the target. In my case once, it was jamming the drop from coming down as the blade would catch on the post/pin. Adjusting the switch to close to minimum travel solved all my drop switch problems.
Edit: Actually, looking again at your pic, that switch looks to be adjusted Severely downwards? . Maybe it is not always closing when the target is down? . That would mean the game thinks it is up already, it sometimes wont score when you hit it for jackpot, and it only goes up when the code does a full "drop check" reset (but then may still autodrop it anyway too).
I'd maybe adjust the switch a tad.... and check out what that wire is?