Analyzer was Re: KIM-1 repair advice wanted

Dwight K. Elvey dwight.elvey at
Fri Oct 7 11:29:36 CDT 2005

>From: "Hans Franke" <Hans.Franke at>
> First thing would be
>to connect a logic analyzer to see if the CPU is still running
>a programm in ROM or not.

 What is it with logic analyzers. Why not just an
oscilloscope. In most cases, one can be farther along
with an 'oscope in finding what is wrong by the
time one can get an analyzer connected and setup.
I've only had one time that I ever needed an analyzer
and even that time, it didn't work well because
of the complexity of the problem ( design not failure ).
 I'll admit that I've often thought of making one
of those address compare circuits to trigger the 'scope
but by the time I'd get serious, I'd found the problem.
 Am I alone here or does everyone else think that an
analyzer is the ultimate tool?

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