Re: [neonixie-l] Re: A Trip Down Memory Lane...

[Nicholas Stock]

It’s funny...after a while in operation the tubes illuminate properly. I’ve 
noted that quite a few of the NL8xx family can show some partial illumination 
after prolonged storage but within a couple of hours use come back to life 
correctly.

Cheers.

Nick

Sent from my iPhone

> On May 19, 2019, at 17:02, MichaelB  wrote:
> 
> Dust that puppy off Nick, replace that tube, and put her on display. Those 
> babies are SWEET! 
> 
>> On Wednesday, May 1, 2019 at 2:06:41 PM UTC-7, Pramanicin wrote:
>> Was going through my ‘treasures’...:-) Found this, an original Jeff Thomas 
>> Commemorative Nixie Clock from 2000. Still works! Uses NL840 tubesthis 
>> was the first clock I ever made and it’s been seriously downhill ever 
>> since...   
>> 
> 
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Re: [neonixie-l] Re: IN-28's in real life...

[Tyler Bourne]

A matrix would be more useful. Could make them tileable too.
I have to make a replacement for this clock though so I will have extra 
7segment boards of this shape.

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Re: [neonixie-l] Weird rectangular 6G-E12A Magic Eye tubes I found

[Bill Notfaded]

I had big heavy marrantz quadraphonic amp years ago.  It was huge and had 4
big blue lighted real needle level meters.  I used to use it to drive two
sets of stereo speakers.  It had some real power for sure.  It had an add
on module for expanded quadraphonic effect I remember with a knob dedicated
on panel to the module.  I had these hand made JBL speakers with carved
wood grills on them and 15" woofers on one side of the house and a set of
old Bose 901s hanging on ceiling wall in other side of the house.  I almost
wish I had never sold the amp now.  I've been looking for a new amp now.  A
part of me wants a tube amp but another is pulling towards a modern class D
design.

Bill

On Thu, May 23, 2019, 5:47 PM Mac Doktor  wrote:

>
> On May 23, 2019, at 10:01 AM, Bill Notfaded  wrote:
>
> Will do Jan... if you know someone that needs one let me know.  I'll be
> glad to make them a deal on one if they need it for a radio.
>
>
> Here are links to photos of some Pioneer and Sansui receivers that used
> them (below the schematic):
>
> https://www.radiomuseum.org/tubes/tube_6ge12a.html
>
>
> Someday when I get the right receiver and cartridge I'll be able to listen
> to the only CD-4 discrete quadraphonic LP in my collection—with my vintage
> quadraphonic headphones.
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> "If only you could see what I've seen with your eyes."—Roy Batty, *Blade
> Runner*
>
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Re: [neonixie-l] Weird rectangular 6G-E12A Magic Eye tubes I found

[Mac Doktor]

> On May 23, 2019, at 10:01 AM, Bill Notfaded  > wrote:
> 
> Will do Jan... if you know someone that needs one let me know.  I'll be glad 
> to make them a deal on one if they need it for a radio.

Here are links to photos of some Pioneer and Sansui receivers that used them 
(below the schematic):

https://www.radiomuseum.org/tubes/tube_6ge12a.html 



Someday when I get the right receiver and cartridge I'll be able to listen to 
the only CD-4 discrete quadraphonic LP in my collection—with my vintage 
quadraphonic headphones.


Terry Bowman, KA4HJH
"The Mac Doctor"

"If only you could see what I've seen with your eyes."—Roy Batty, Blade Runner

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Re: [neonixie-l] Re: IN-28's in real life...

[Nicholas Stock]

Nice. I think a board that can drive a matrix of these would be more versatile?

Sent from my iPhone

> On May 23, 2019, at 13:14, Tyler Bourne  wrote:
> 
> Minutes board, This one will be the one I replicate since it can display all 
> digits and should be the same as the missing Hours Board.
> 
> 
> Mainboard chips
> 
> 
> 
> 
> 
> 
> 
> These pictures should appear full size when opened in a new tab.  I hope.
> 
> 
> 
> 
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> 

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Re: [neonixie-l] "The Harwell" Dekatron clock

[Mac Doktor]

> On May 23, 2019, at 9:49 AM, martin martin  wrote:
> 
> Excellent!
> I think I will need one...

Same here but how much will the tubes cost (he asked knowingly)?


Terry Bowman, KA4HJH
"The Mac Doctor"

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[neonixie-l] pictures blocked ?? Re: IN-28's in real life...

[alb.001 alb.001]

 
  I tried clicking on one of the links then deleted the =... at the end of the URL but Google still blocks viewing.  Could you just add them to a copy of your email.
  Thanks Phil
  
   -- Original Message --
   From: Tyler Bourne 
   Date: May 23, 2019 at 12:24 PM
   
   
   
   
   
   
   
   
   
   
   
   
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Re: [neonixie-l] Re: IN-28's in real life...

[David Speck MD]

Tyler,

The board markings are incongruous.

The resistors in one photo are marked R1 through R6. but the character 
"R" is not in the Cyrillic alphabet.


There is also a "V1" designation, which is not a Cyrillic character, 
either.  Voltage would have been designated with a "B" character.


The markings on the ICs are consistent with Cyrillic characters, and the 
IC designs look typical for Russian chips of the era.


It's interesting that there are date codes ranging from '73 to '80, but 
I don't see any obvious signs of rework on the PCB.


Anything else in Russian you need help with?

Dave

On 5/23/2019 12:15 PM, Tyler Bourne wrote:

The clock has arrived!  It's Huge!
It seems like the clock was in the process of being stripped for parts 
when it was saved.  The tens of hours board was covered in nasty flux, 
probably the plumbing kind.  I've cleaned it up and put it back in.
I've created a schematic for the display board and will start working 
on a replacement.  While the display boards are all the same the 
control boards attached to the back of them are all different 
depending on which digits are needed.  I can tell this is a 12 hour 
clock since the tens of hours digit can't form a 2, interestingly most 
for the tubes on that board have never been used.
Since the display boards and the controller boards are separate I can 
replicate the display board the way it is.  I will create a 
replacement control board for my clock and will also create a more 
modern control board for use with the spare display boards I will have.


The IN-28 is an odd nixie, it runs at a higher voltage and has a 
control grid.  All the groups of control grids are connected to the HV 
supply through a 3.9M resistor and to the chips through a 1M 
resistor.  I'll have to figure out what all these chips are and find a 
modern equivalent.
If any Russian speaking members of the group can help identifying the 
chips I would be super grateful.




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[neonixie-l] Re: IN-28's in real life...

[Tyler Bourne]

To see the images at full size remove the =S400 from the end of the URL.

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[neonixie-l] Re: IN-28's in real life...

[Tyler Bourne]

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[neonixie-l] Re: IN-28's in real life...

[Tyler Bourne]

>
>
>
> 
>














 
 

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[neonixie-l] Re: IN-28's in real life...

[Tyler Bourne]

The clock has arrived!  It's Huge!  
It seems like the clock was in the process of being stripped for parts when 
it was saved.  The tens of hours board was covered in nasty flux, probably 
the plumbing kind.  I've cleaned it up and put it back in.
I've created a schematic for the display board and will start working on a 
replacement.  While the display boards are all the same the control boards 
attached to the back of them are all different depending on which digits 
are needed.  I can tell this is a 12 hour clock since the tens of hours 
digit can't form a 2, interestingly most for the tubes on that board have 
never been used.
Since the display boards and the controller boards are separate I can 
replicate the display board the way it is.  I will create a replacement 
control board for my clock and will also create a more modern control board 
for use with the spare display boards I will have. 

The IN-28 is an odd nixie, it runs at a higher voltage and has a control 
grid.  All the groups of control grids are connected to the HV supply 
through a 3.9M resistor and to the chips through a 1M resistor.  I'll have 
to figure out what all these chips are and find a modern equivalent.
If any Russian speaking members of the group can help identifying the chips 
I would be super grateful.

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Re: [neonixie-l] OT - 20 chr VFDs >blech

[GastonP]

Hi guys,
   Did anyone receive any of those boards from Down Under? I feel 
tempted to buy but I'm afraid the VFDs could be outgassed.
The customs regulations in my country let me buy only one at a time so my 
success probabilities should be high for me to take the plunge... 86 USD 
for a board with two duds would be a very big hit down in my wallet...

Regards
   Gaston

On Thursday, May 23, 2019 at 2:17:20 AM UTC-3, Nixcited delighted wrote:
>
>
> On 22 May 2019, at 18:13, Jon Jackson > 
> wrote:
>
> John,
>
> I have a couple of these 20-digit VFD displays.  The label says it's a 
> Noritake itran model FG2013A1 display which is listed as discontinued on 
> the Noritake web site.
>
> A search has not come up with a datasheet.  Do you have a copy of the 
> datasheet you could share?
>
> Jon D.
>
>
> Noritake itran will be Noritake itron, Jon.
>
> The old kiss-off came from pinballspareparts.com, they are not playing 
> ball as it were. I know they sell the manuals. I was hoping they’d offer 
> to scan the page for me as I'd bought 10 boards. I may rattle their cage 
> again - what have I to lose?
>
> Just thought of someone else to ask… a walking encyclopaedia of all things 
> pinball. All is not yet lost.
>
> Incidentally, anyone visiting London into pinball, with all its neon and 
> flashing light loveliness, should visit http://www.flipoutlondon.com/ but 
> check opening times. Over 50 machines to play, in a permanent location run 
> by collectors and enthusiasts.
>
> John S
>

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Re: [neonixie-l] Re: Weird rectangular 6G-E12A Magic Eye tubes I found

[Bill Notfaded]

Will do Jan... if you know someone that needs one let me know.  I'll be 
glad to make them a deal on one if they need it for a radio.

Bill

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[neonixie-l] Re: Looking for FR9020AAs

[Richard Arndt]

I want one :-)

On Wednesday, May 22, 2019 at 9:00:48 AM UTC-4, Bill Notfaded wrote:
>
> I think we'd all like some of these...
>

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[neonixie-l] Re: "The Harwell" Dekatron clock

[Bill Notfaded]

Wow Grahame!!!  That looks amazing!  Very impressive PCB layout.  I can't 
wait.  Totally legit!

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Re: [neonixie-l] OT - 20 chr VFDs >blech

[andybiker]

Shwmae But.

Hi John, I'm here!
Looking at the picture of the display it looks like a parallel interface of 
some kind.
There's a micro and ram on the board. 
I wonder if it's compatible with another pinball display ?
Unlike the newer displays these do not appear to have any power supply 
onboard so will need filament, HV and logic supplies.
You may be lucky and find there's a serial input - that would be the 
simplest.

Andrew

On Wednesday, May 22, 2019 at 8:32:00 PM UTC+1, Nixcited delighted wrote:
>
> I don’t have a datasheet, nor do I have my displays yet. My main pinball 
> man has drawn a blank on getting me a schematic and he’s been thorough. The 
> manual is available from Marco in the US and the Australian seller also has 
> manuals - https://www.pinballspareparts.com.au 
> 
>
> I have asked the Australian place if they can send me a schematic just for 
> the display. I await their response. If they are good boys they will do me 
> a scan.
>
> Andrew Jardine lurks here - he is good with VFDs such as these. I already 
> suggested I send him a board to play with, but he’s not responded yet with 
> his address. Andrew, where are you boyo? 
>
> Regards,
>
> John S
>
> On 22 May 2019, at 18:13, Jon Jackson > 
> wrote:
>
> John,
>
> I have a couple of these 20-digit VFD displays.  The label says it's a 
> Noritake itran model FG2013A1 display which is listed as discontinued on 
> the Noritake web site.
>
> A search has not come up with a datasheet.  Do you have a copy of the 
> datasheet you could share?
>
> Jon D.
>
>

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Re: [neonixie-l] Anyone still make dekatron spinners or have any pcb's or kits?

[loknar28]

Mike,
Thanks for sharing your photos. I must say I am very impressed at your ability 
to freehand the clocks schematic.

Collin

> On May 11, 2019, at 08:09, Mike Mitchell  wrote:
> 
> 
> 
>> On Friday, May 10, 2019 at 8:58:02 AM UTC-4, Collin Smith wrote:
>> I wish someone would sell a kit for a 6-8 Dekatron Clock. I know there is s 
>> blog describing how someone built their own but I was hoping for something 
>> already engineered. 
>> I have also seen them on YouTube 
>> https://youtu.be/pK276xZWyo4
>> 
>> Any thoughts?
>>> 
> Thanks for the shout-out to my clock.  It's still running after almost five 
> years.  I don't mean to scare you off, but here's some photos of it's 
> construction.  I hand-built two of them.
> 
> Mike
> 
>  
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> <20140723_002045.jpg>
> <20140727_132511.jpg>
> 

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