EEVblog #663 - Compucorp 322G Calculator Teardown
Teardown Tuesday
Inside a 1973 vintage programmable scientific desktop calculator.
Plus an attempted repair.
Service Manual:
The P2102 is a 1K x 1 bit SRAM, so looks like a 4 bit processor architecture.
Forum: /
Teardown photos: /
EEVblog Main Web Site:
The 2nd EEVblog Channel:
EEVblog Amazon Store (Dave gets a cut):
Donations:
/
Projects:
/
Electronics Info Wiki:
/
Inside a 1973 vintage programmable scientific desktop calculator.
Plus an attempted repair.
Service Manual:
The P2102 is a 1K x 1 bit SRAM, so looks like a 4 bit processor architecture.
Forum: /
Teardown photos: /
EEVblog Main Web Site:
The 2nd EEVblog Channel:
EEVblog Amazon Store (Dave gets a cut):
Donations:
/
Projects:
/
Electronics Info Wiki:
/
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