[neonixie-l] Re: Need help with a tubehobby clock overheating

If you want to be sure that the high voltage power part is as good as it can be, then I would replace the most relevant parts, if you haven't already replaced them recently: - L1 (inductor) - M1 (mosfet) - Q4 (transistor) - D2 (diode) - C6 (capacitor, but you already replaced it, so I wouldn't

[neonixie-l] Info on Datatime clocks?

I have here a Datatime Jupiter electromechanical digital clock. It says Special Edition on the bottom, with a serial number 01-1024. I was wondering if anyone has more info on the clock, or on Datatime in general. I can't find much information on these on the internet. Also, if anyone's got a

Re: [neonixie-l] Re: Need help with a tubehobby clock overheating

A faulty inductor with some windings short cuted will make switching transistor go hot. Kiran Otter skrev den 2015-04-10 17:12: Well.. I replaced the voltage regulator with JT's part, it appears to be working perfectly.. a solid 5V right on the mark. I also replaced C1. The ghosting numbers

[neonixie-l] Re: damo454 -- WARNING! new suspect vendor on eBay

This thread has been closed. Please NEVER post personal contact details or use this forum to settle personal issues. A simple Beware of this seller - I have had a bad experience with them - contact me by email for details message is all that's required, otherwise the forum is potentially

[neonixie-l] damo454 -- WARNIGN! new potential cheater at Ebay

Dear Nixie friends, I have to report a new Ebay member from Australia as a potential cheater. Data: Ebay user name: damo454 Adress: Damien Tonks 34 Keith Parade Beaconsfield, Victoria 3807 Australia e-mail: damo...@hotmail.com His trick: He sells Nixie tubes at Ebay, offers air parcel post

[neonixie-l] Re: Need help with a tubehobby clock overheating

Niek, I don't see any problem with Q4, and it's been in there for 7+ years. If the recommendation is to replace it, I can do that.. the bummer is every time I need a cap or some other part, it costs a dollar plus another $6 to ship it. Sture, let me know if there's a way to test the inductor

Re: [neonixie-l] damo454 -- WARNIGN! new potential cheater at Ebay

Hello Dieter, Firstly I'm sorry that you had a bad experience with this seller. I'm not really sure what went wrong here. This seller has been on Ebay for 10 years and 9 months, a rather long time, with 100% positive feedback, and 377 transactions. I have to ask myself is it likely, or what

[neonixie-l] Special sauce in Russian Nixie Drivers?

I was debugging a new clock (old design from 10+ years ago) that I decided to assemble and noticed that at times, one of the tubes was turning on two numbers at once. The driver was a plastic russian nixie driver circuit integrated circuit (equivalent to the TI 74141). I replaced it with the