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kosmokrator

Joined: 03 Jul 2008 Posts: 4085 Location: Athens-GR
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Posted: Sun Nov 07, 2010 6:00 am Post subject: what is this chips?? |
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any ideas?
the toshiba chips are from some old toshiba calculator
...but any idea what may exactly is?
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Elar
Joined: 16 Jul 2003 Posts: 746 Location: Tallinn, Estonia
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Posted: Sun Nov 07, 2010 7:02 am Post subject: |
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Toshiba's are from Toshiba BC-1204 calculator:
PCB:
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kosmokrator

Joined: 03 Jul 2008 Posts: 4085 Location: Athens-GR
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Posted: Sun Nov 07, 2010 2:20 pm Post subject: |
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yes Elar...i have the complete calc .....and working perfect..
i love also the vacum tube using!!!
just wonder if we hahe more info about the chips ...
also what is even the manufacturer of the ceramic hybrid chip???
part number must be 291B ....
i wave one more same chip with part : 291-12B
....any ideas? |
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UMMR

Joined: 23 Aug 2007 Posts: 381 Location: Udine, ITALY
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