(Topic ID: 209687)

System 11 (Cyclone) Display Issue

By ctl723

6 years ago



Topic Stats

  • 5 posts
  • 3 Pinsiders participating
  • Latest reply 6 years ago by wayout440
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#1 6 years ago

All four displays used to work fine. Game was in storage for about 5 years. On starting it back up, 2nd display was out (planned to fix it later). After a few more months, display one is out. No clear signs of outgassing or gradual degradation, but did have some new/spare glasses here so I swapped both with no improvement. Displays three and four are clear and bright. High voltage power is clean and stable all the way to the display board.

I'm not seeing any single component failure that would lead to just the top two displays going out entirely. Any thoughts before I just buy an LED replacement?

#4 6 years ago

"Known good" is a strong phrase. They were new glass purchased from a supplier a few years before. I certainly assumed they would be good, and would be surprised if both were bad. Worth noting- I don't see a "glow" on either of them (I do on the other two) at power-on. I'll confirm tonight that HV is making it all the way to the glass.

Quoted from wayout440:

Check/replace ribbon cable? When two or more displays are definitely unrepairable, that's when I would go digital, but you also replaced with two known good replacements?...that would rule out outgassing if the two replacements are good, so something else is going on. I wouldn't want to invest in new displays to find out later I have a cable problem.
Edit: You said you checked HV was making it to the board, did you also verify HV was making it to the pins of the glass?

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