Keithley 775A Programmable Counter Teardown

In this video I did a teardown of a Keithley 775A programmable counter. High resolution pictures and firmware can be found on my website: http://www.kerrywong.com/2018/05/27/k... And my repair on the Racal Dana 1992 can be found here: http://www.kerrywong.com/2017/02/12/t...