EEVblog #663 - Compucorp 322G Calculator Teardown

Teardown Tuesday
Inside a 1973 vintage programmable scientific desktop calculator.
Plus an attempted repair.
Service Manual: http://www.wass.net/manuals/Compucorp%20326%20Service.pdf
The P2102 is a 1K x 1 bit SRAM, so looks like a 4 bit processor architecture.
Forum: http://www.eevblog.com/forum/blog/eevblog-663-compucorp-322g-calculator-teardown/
Teardown photos: http://www.eevblog.com/2014/09/16/eevblog-663-compucorp-322g-calculator-teardown/

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