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Old 10th Nov 2020, 3:34 pm   #98
Mark1960
Octode
 
Join Date: Mar 2020
Location: Kitchener, Ontario, Canada
Posts: 1,265
Default Re: I found it! A very sorry looking MK14.

Quote:
Originally Posted by Buzby123 View Post
Today I received a TS200 chip tester, and it showed my 7442 is bad. ( It also showed my other 7442's are bad as well. How unlucky is that ?. )
How do you know if the TS200 is working correctly?
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