Hi,
Removing the oscillator for testing and replacing it with other if it
was the culprit was my first option. I have a spare Trimble oscillator
that probably came from other NTGS50AA since it still have the foam band
attached, but this oscillator is really aged, it needs 7.91 V to bring
it on spot and the maximum control voltage of the NTGS50AA is 5 V.
I was trying to avoid removing the oscillator but probably it must be
done to clarify things.
Thank you,
Ignacio EB4APL
.
El 12/11/2014 a las 2:40, Mark Sims escribió:
I have seen this caused by the oscillator not responding to the EFC signal.
Fixed it by swapping in a MV-89 oscillator.
The oscillators used in these units don't output an oven temperature monitor
signal.
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