Check the reset input to the CPU, and the oscillator waveform.
Also, there
is a test pt on the side of the CPU towards the effects bd
that I think
should have a pulse on it every so often if the code is running
normally. Of
course check 5V at the logic chips.
Lots of other things to check with a
scope if it's really not working.
The DAC output is one, as it should be
doing the succ approx on
the pots over and
over.
Bob
--------------------------------------------
On Sun,
2/7/16, jw_dewdney@yahoo.com [PolySix] <PolySix@yahoogroups.com>
wrote:
Subject: [PolySix] Re: The Post I didn't want to make....
To:
PolySix@yahoogroups.com
Date: Sunday, February 7, 2016, 3:38
AM
or is this fairly
normal behaviour before one has
any patches loaded in
perhaps....?
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Message
Re: [PolySix] Re: The Post I didn't want to make....
2016-02-07 by <backshall1@bellsouth.net>
Did you use 22pF and 10pF for C23 and C22 near the 6 MHZ ceramic resonator?
Many people have found that the new boards are very unstable with these values,
and you need to use 10pF for both capacitors to get the clock running properly.
I have also used both the original standoffs and the new ones. Just drill the
hole out a bit bigger if they do not fit.
Don Backshall
Sent: Sunday, February 7, 2016 12:10 PM
Subject: Re: [PolySix] Re: The Post I didn't want to
make....
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