EEVblog #663 - Compucorp 322G Calculator Teardown

Channel:
Australia EEVblog
Subscribers:
970,000
Published on ● Video Link: https://www.youtube.com/watch?v=ezr3CzGUVeQ


Category:
Vlog
Duration: 29:18
60,546 views
1,171

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/



Other Videos By EEVblog


2014-10-14EEVblog #673 - Mailbag
2014-10-11EEVblog #672 - GoPro Hero 4 Silver Teardown
2014-10-07EEVblog #671 - White Van Speaker Scam Teardown
2014-10-04EEVblog #670 - FLIR TG165 Lepton Sensor Followup
2014-10-01EEVblog #669 - FLIR TG165 Thermal Imager Teardown
2014-09-30EEVblog #668 - Mailbag + FLIR TG165
2014-09-26EEVblog #667 - Agilent 6643A Power Supply Binding Post Hack
2014-09-23EEVblog #665 - Polar Wearlink Heart Rate Transmitter Teardown
2014-09-21EEVblog #664 - Peltier TEG Energy Harvesting Experiments
2014-09-17WENS 540 Handheld 10MHz Oscilloscope and Debug Meter
2014-09-16EEVblog #663 - Compucorp 322G Calculator Teardown
2014-09-13EEVblog #662- How & Why to use Integration on an Oscilloscope
2014-09-11Electronex 2014 - Walkaround
2014-09-10Electronex 2014 - Behind The Scenes
2014-09-07EEVblog #661 - Mailbag
2014-09-05Electronex 2014 Announcement
2014-09-04EEVblog #660 - Electrocardiogram (ECG) Experiments
2014-09-01EEVblog #659 - Medical Plugpack Teardown
2014-08-31EEVblog #658 - Mailbag
2014-08-30EEVblog #657 - Maker Faire 2014 Interviews
2014-08-27EEVblog #656 - Pacemaker Monitor Teardown


Tags:
Calculator (Invention)
compucorp
1970's
calculator
desktop calculator
teardown
pcb
processor
4 bit
sram
intel
Electronics
Computer
Technology