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(Topic ID: 282065)

Wiring Question on New Switch


By rockwell

9 days ago



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  • 9 posts
  • 5 Pinsiders participating
  • Latest reply 8 days ago by rockwell
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#1 9 days ago

I am replacing the right-hand cabinet button switch on my Embryon machine. This is a stacked switch that controls two flippers. I am not sure that the replacement switch I bought is the proper replacement. Here is an image of the old (left) and new (right). My question is...is there a way to wire the old switch that works with the new one (which is built differently)? Or do I need to purchase a different replacement? The replacement seems to be missing the extra tabs needed for the diode, and it seems like some wires would have to be combined into one tab someplace on the new switch.

old-new (resized).jpg
#2 9 days ago

A better image of the old switch. Tabs 1,2,4,and 5 were attached to wires. Tab 3 only used to connect the diode to tab 5.

old (resized).jpg
#3 8 days ago

Don't think you can use the new one. You could get around not having a lug for one side of the diode, but the two middle contacts share the same lug. On the old switch, the two middle contacts are electronically isolated and have their own wires.

You need something similar to the link below (minus the attached caps). New switch has to have at least four lugs, preferably five, with one insulated from the other four blades/ contacts.

https://www.marcospecialties.com/pinball-parts/180-5029-00

#4 8 days ago

You will blow your switch matrix up if you use that new one. The Embryon switch controls both right flippers with one circuit which is the one without the diode. The second flipper is controlled via the end of stroke stack on one of the flippers.

The other part of your switch is for the lane change feature.

#5 8 days ago
Quoted from phishrace:

You need something similar to the link below (minus the attached caps). New switch has to have at least four lugs, preferably five, with one insulated from the other four blades/ contacts.

Thanks, I assumed this new one was a no-go, but thought I'd confirm. I appreciate the feedback.

Quoted from slochar:

The Embryon switch controls both right flippers with one circuit which is the one without the diode. The second flipper is controlled via the end of stroke stack on one of the flippers. The other part of your switch is for the lane change feature.

Makes sense, thanks for the info. I'll keep digging around for a proper switch.

This one looks like it may do the trick (stacked with a normal cabinet switch).
https://www.marcospecialties.com/pinball-parts/SW-1A-150

#6 8 days ago

If you don't mind re-using the lane change switch (leafs 3, 4 and 5), you can just replace the high current tungsten contact blades in your old switch stack.

New blade 1 goes to the old blade 2 position. New blade 2 goes to the old blade 1 position oriented so the same contact height meets. Cut the unused lower contact out if it gets in the way.

#7 8 days ago
Quoted from Quench:

If you don't mind re-using the lane change switch (leafs 3, 4 and 5), you can just replace the high current tungsten contact blades in your old switch stack.

This is also an interesting idea. I was actually trying to determine if it might be possible to refresh the old switch myself. Looks like it may be possible with some new switch blades and contacts, as you mentioned. I was looking here, seems promising...
http://pbresource.com/pfswitch.htm#common

#8 8 days ago

New switch contacts is definitely an option, i wrote a post a while back on doing exactly that: https://pinside.com/pinball/forum/topic/building-re-building-leaf-switches

#9 8 days ago
Quoted from frunch:

New switch contacts is definitely an option, i wrote a post a while back on doing exactly that: https://pinside.com/pinball/forum/topic/building-re-building-leaf-switches

Thanks for the link, and for making the post! I'll definitely be doing this.

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