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(Topic ID: 268667)

TZ lamps stuck on temporarily


By EightiesArcade

5 months ago



Topic Stats

  • 5 posts
  • 4 Pinsiders participating
  • Latest reply 5 months ago by Coyote
  • No one calls this topic a favorite

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Linked Games

#1 5 months ago

Hello,

I have 3 lamps on my Twilight Zone, each appear from different rows and columns, which stay stuck on for a set period of time, then begin to function properly. If I watch them in attract mode, it appears that they always begin to stay stuck on at the exact same time, at the same pattern time. I’ve watched a few attract mode videos and they shouldn’t be doing this. I’m thinking there might be an issue with a diode, but not sure.

Thanks

#2 5 months ago

Whenever weird things happen like this, try reseating the ribbon cables, in particular the short one between the CPU and PDB.

#3 5 months ago
Quoted from schudel5:

Whenever weird things happen like this, try reseating the ribbon cables, in particular the short one between the CPU and PDB.

This. I would actually consider replacing this one or all of them eventually. If they are factory original I would replace and don't look back. This time it's lights. Next time it could be a flasher or a coil.

#4 5 months ago

So after troubleshooting with the ribbon cables, the lamps still stayed stuck on temporarily. I switched the 3 lamps to incandescent as another troubleshooting method and they function properly. Not sure why this is. The rest of the game is LED. Is this still a ribbon cable issue?

#5 5 months ago
Quoted from EightiesArcade:

So after troubleshooting with the ribbon cables, the lamps still stayed stuck on temporarily. I switched the 3 lamps to incandescent as another troubleshooting method and they function properly. Not sure why this is. The rest of the game is LED. Is this still a ribbon cable issue?

Are you using an LEDOCD in the game?

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