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kosmokrator
Joined: 03 Jul 2008
Posts: 4085
Location: Athens-GR
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 Posted: Sun Apr 05, 2009 12:42 pm Post subject: Vintage Russian Calculator(japan lsi logic inside)!!! |
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today i find on my Flea market this beauty...
i was not understand what i buy but im was sure its something wort...
when i go home and i look carefully i see this is an Bulgarian calculator from 1971!!!
when open it i surprised by the white ceramic chips..
is from Hitachi.... i connect to power but nothing happen...
after a carefully testing and clear some pins... i done it work again....
i keep it intact!
any info on this and chips much appreciated!!!
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andamus
Joined: 06 Dec 2004
Posts: 1029
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| Posted: Sun Apr 05, 2009 12:45 pm Post subject: |
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| Beautifull !!!!!!!! |
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i440bx
Joined: 30 May 2004
Posts: 1349
Location: Germany
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kosmokrator
Joined: 03 Jul 2008
Posts: 4085
Location: Athens-GR
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| Posted: Sun Apr 05, 2009 12:55 pm Post subject: |
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lol
no man....this pins are forom the power supply to give power to the board...
i disconnect it before photo the board |
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Elar
Joined: 16 Jul 2003
Posts: 746
Location: Tallinn, Estonia
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johnorun
Joined: 04 Apr 2008
Posts: 3364
Location: Chicago, IL- US
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| Posted: Mon Apr 06, 2009 1:16 am Post subject: Re: Vintage Russian Calculator(japan lsi logic inside)!!! |
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| kosmokrator wrote: | today i find on my Flea market this beauty...
i was not understand what i buy but im was sure its something wort...
when i go home and i look carefully i see this is an Bulgarian calculator from 1971!!!
when open it i surprised by the white ceramic chips..
is from Hitachi.... i connect to power but nothing happen...
after a carefully testing and clear some pins... i done it work again....
i keep it intact!
any info on this and chips much appreciated!!!
//img206.imageshack.us/img206/1089/ddd5.jpg[/img][/URL]
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WOOW--great find Kosmo!
Beautiful old board... 
Probably has NIXIE display tubes?? |
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JAC
Joined: 24 Jul 2005
Posts: 3469
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| Posted: Mon Apr 06, 2009 3:23 am Post subject: |
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| Could be nixie tubes, but low voltage VFD tubes were also common. |
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kosmokrator
Joined: 03 Jul 2008
Posts: 4085
Location: Athens-GR
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| Posted: Mon Apr 06, 2009 11:25 am Post subject: |
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yes is nixie tubes on it......
thnx for comments
i buy this for 5 eyros.....
its a good deal i think! |
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