My posts were intended to give you some info that would help you troubleshoot the reset circuit. Better for you to figure out how this simple circuit works than for us to tell you which part to replace.
As someone suggested, the voltage created by subtracting the zener drop from five volts should be about one volt. If you don't see that, then it's time to investigate.
Bob
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On Tue, 2/9/16, jw_dewdney@yahoo.com [PolySix] <PolySix@yahoogroups.com> wrote:
Subject: [PolySix] Re: The Post I wanted to make....
To: PolySix@yahoogroups.com
Date: Tuesday, February 9, 2016, 8:24 PM
Bob..? you around? (the
above posts were for you)