3.) cold solder on trough opto board?
(Topic ID: 217498)
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Quoted from Russell:I don’t fully understand the rules of Mummy MB and sarcophagus locks. However, it seems to be very difficult to trigger a switch connected to the captive ball when a second ball is in the lock position behind it. It is basic conservation of momentum. The first ball doesn’t move. Perhaps not even enough to trigger a very sensitive switch. Just watch a Newton’s Cradle.
It’s the furthest back switch in the captive trough
Quoted from kpg:Yep, my ramp is stuck in the up position as well. Coil is the issue I think.. not sure.
My distributor has already put in a request for a new motorized ramp assembly, but no word yet if it has shipped. Maybe they are seeing it is a bigger issue and others are having the same problem.
Also, if you find a fix for it please post it here for others. I have spent more time on it then I should have, completely disassembling it and putting it back together with no luck. It will work fine for a few games then get stuck again.
In ramp test, does it find the position?
I would replace them with rollover switches.
Some suggested it earlier and that sounds like a better switch
Quoted from Russell:What sort of switch would you recommend? Source? Are these interchangeable with the originals? Any need to change wiring, etc?
Fytr got it
Quoted from Fytr:I had the same problem adjusting my TNA trough switches which are the same poor design as these. Replaced with these micro-switch based ones that are 100% better! http://www.marcospecialties.com/pinball-parts/5647-12693-06
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