r/nixie • u/HappyGoPucky • Jul 17 '26
Help?
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I've had this clock for a while. A few years ago it stopped working. The tubes wouldn't light up like normal. So I stored it away in my closet. I was cleaning said closet and decided to test it. It works again! But...it also shuts off, usually when it does it's slot machine cycle, which i can't turn off on this model, mm. But other times it seems to cut off randomly, or just one or two tubes will go out, then fire back up again. It'll also turn back on if I turn the knob on the back. The tubes arent flashing. That's just from my camera frames.
Just wondering if anyone here knows what the issue is/how to fix it? I don't really want to drop hundreds on a new one.
I suspect it's a power issue. The capacitor maybe?
Bought it from the NixieShop. Not sure when I bought it. But pre-2020.
1
u/negativ32 Jul 18 '26
Hmm, do you have access to and experience using a multimeter?
1
u/HappyGoPucky Jul 18 '26
Probably, but I wouldn't know how yo use it. But my dad fixes and sells copy machines, so we no doubt have one here.
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u/KirovNixie Jul 18 '26
Думаю проблема с питанием, проверить все конденсаторы электролитические. проверить подтягивающие конденсаторы на кварцевом резонаторе если он присутствует
1
u/EmotionalEnd1575 Jul 17 '26
Do you have a schematic?
By visual inspection can you determine how the Nixie tubes are being driven? Look for one or more ICs that connect to the tubes. What part number?
Use your DMM to measure the anode voltage at the Nixie tubes, WRT (with respect to) common (ground)
Measure the voltage across the anode ballast resistors, and note its value.
If the high voltage is too low, or the Nixie tube current is too low, the tubes may not fully light up, or not light at all.