Skylab
Williams, 1974You're currently viewing posts by Pinsider calipindave.
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Quoted from Brypten:EOS is a normally closed switch. Only opens when the flipper goes up.
Brypten is correct. Until this is correct, the rest of the diagnostics will be less meaningful. With an open switch you will only get the hold power.
Dave
Skylab (resized).pngQuoted from StotzBotz:Thanks everyone. Here's the weird part. If I look at the EOS switch on the right flipper which is working correctly, it has a very small gap between the points so they are actually not touching. I just took a set of hemostats and clamped the switch EOS together on the left flipper and it works fine now. Yippee. I will order a new switch from Pinball Resource. Why the other one works fine without the contacts touching makes no sense.
I would guess continuity is being made somewhere else.. Lest and right are wired the same. EOS should be normally closed. If you have a DMM check for continuity across the jumpers on either side if the EOS. I would guess the blades are shorting even if there is a gap at the contacts.
Dave
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