(Topic ID: 248681)

Help: Xenon spontaneous


By wheezil

4 months ago



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  • 19 posts
  • 10 Pinsiders participating
  • Latest reply 3 months ago by frunch
  • Topic is favorited by 3 Pinsiders

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#6 4 months ago

Here's the caps for the switches:

https://www.greatplainselectronics.com/proddetail.asp?prod=CCD-0.047uF-100V

You'll want 0.047uf/100v ceramic caps. The switch matrix diagram in the schematics will show which switches get caps.

#7 4 months ago

I did a little more research, and i think i found a good place to start. As Cody mentioned above, you'll want to cut off a disk capacitor from one of the tilt switches--it looks like there's one wired onto the tilt bob on the inside of the cabinet. It shares the same circuit as the start/credit button, as i point out with blue arrows on the diagram. The green arrow is pointing to the disk capacitor wired onto the tilt bob. Go ahead and cut the cap off the switch--this is one i would not bother to replace either. All the other caps on the switches under the playfield--definitely replace them. If you're lucky though, this might get the game working properly for now.

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3 weeks later
#19 3 months ago
Quoted from wheezil:

Update: all your advice around switch caps was right on. It was Dave at Alltek who narrowed it down to the tilt switch cap. Snipped that and all is better.

Lol, that was my guess 3 weeks ago further up this thread: https://pinside.com/pinball/forum/topic/help-xenon-spontaneous-slam-shutdown#post-5131724

Glad you got it figured out! (And yes, i would recommend changing out all the caps--they'll be trouble sooner or later so might as well just do it properly now)

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