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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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