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/ EEVblog Main Web Site: http://www.eevblog.com The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2 EEVblog Amazon Store (Dave gets a cut): http://astore.amazon.com/eevblogstore-20 Donations: http://www.eevblog.com/donations/ Projects: http://www.eevblog.com/projects/ Electronics Info Wiki: http://www.eevblog.com/wiki/