Re: [neonixie-l] Re: B7971 Tubes circuit.

2011-05-24 Thread Michail1
Yes there is. On top right, click on Customer Support In the search, type in "report shill bidder" Then click on link "What is shill bidding?' An explanation comes up with a link to "report it" it makes you log into your account again. Then you get to report. Drop down box - select - Fraudule

Re: [neonixie-l] Re: B7971 Tubes circuit.

2011-05-24 Thread Wayne de Geere III
Is there a mechanism to report sellers who use shill bidder accounts to drive up the price of their own auctions? This is why I use esnipe for nearly 100% of the things I buy on eBay as not to engage any other birders until the final seconds Sent from my iPad 2 3G On May 24, 2011, at 7:26, Nic

Re: [neonixie-l] B7971 Tubes circuit.

2011-05-24 Thread David Forbes
On 5/24/11 6:49 PM, micha...@aol.com wrote: Hello, Only took a few temp photos... http://michail.selfip.com/temp/ Real fast - without powering up and taking apart wire loom 3 octal sockets. Pin 1 on each tied together and go to input or output side of 7805 (can't tell since using same color) Pin

Re: [neonixie-l] B7971 Tubes circuit.

2011-05-24 Thread Michail1
Hello, Only took a few temp photos... _http://michail.selfip.com/temp/_ (http://michail.selfip.com/temp/) Real fast - without powering up and taking apart wire loom 3 octal sockets. Pin 1 on each tied together and go to input or output side of 7805 (can't tell since using same color) Pin

Re: [neonixie-l] B7971 Tubes circuit.

2011-05-24 Thread David Forbes
On 5/23/11 8:27 PM, micha...@aol.com wrote: I purchased this item on ebay. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemVersion&item=280660703999 Anyone have an idea of what the circuit is, or should I setup better pictures.

Re: [neonixie-l] Re: B7971 Tubes circuit.

2011-05-24 Thread Michail1
Jeff, Yup, noticed that as well. Also, I even emailed the ebay seller without response. For my purpose, I was not bidding against his shill bidder since he dropped off early on, so I was OK with the purchase. Michail In a message dated 5/24/2011 6:18:25 A.M. Pacific Daylight Time,

[neonixie-l] Re: B7971 Tubes circuit.

2011-05-24 Thread Nick
Well spotted. A seller (and their sock-puppet) to avoid... Nick On May 24, 2:11 pm, Jeff Thomas wrote: > What I found more interesting was the bidding pattern for that unit. > The bidder with a 31 feedback rating, who bid 18 times was also > bidding exclusively on hikerjims goodies. > And across

Re: [neonixie-l] B7971 Tubes circuit.

2011-05-24 Thread Michail1
Now more curious than ever going to take to work and take pictures to post. The problem is that the octal sockets are empty. So, I don't know what tubes would have been in them. I mis-read the auction as it said they were included (but what was meant was that the sockets were included

Re: [neonixie-l] Re: B7971 Tubes circuit.

2011-05-24 Thread Michail1
Yes, I read that. :) The circuit board is home made. Looks like a couple of traces were rerouted after it was made. I will look more into it and post results with my limited knowledge. Michail In a message dated 5/24/2011 4:07:13 A.M. Pacific Daylight Time, n...@desmith.net writes

[neonixie-l] Re: B7971 Tubes circuit.

2011-05-24 Thread Jeff Thomas
On May 23, 8:27 pm, micha...@aol.com wrote: > I purchased this item on ebay. > _http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemVersion&item=280660703999_ > (http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemVersion&item=280660703999) > > Anyone have an idea of what the circuit is, or should I setup bett

Re: [neonixie-l] B7971 Tubes circuit.

2011-05-24 Thread John Rehwinkel
> Anyone have an idea of what the circuit is, or should I setup better pictures. Twp giesses. given that there are 14 cathode driver transistors and current limiting resistors. It's a 2x1 multiplex, driving the tubes alternately, or (more likely), it's using them direct drive, as 7-segment rea

[neonixie-l] Re: B7971 Tubes circuit.

2011-05-24 Thread Nick
One pointer is that they are branded "Ultronic Systems" who made stock information systems, not the tubes themselves. A fair assumption is that this is some part of one of their systems. See the PDF link I posted a few days ago for more on what they did. http://groups.google.com/group/neonixie-l/