[sdiy] Bizarre Xpander Tuning Problem
montalbanogm at gmail.com
Tue Aug 10 20:37:09 CEST 2021
I have here an Xpander that will either pass or fail Tune, but will
always have the VCO 1s in perfect tune & scale, while all six VCO 2s
will be out of tune & out of scale.
Did the usual replacement of all DAC components, and the ICs involved in
the tuning routine; no help.
Am struggling to find what all six VCO 2s have in common that might be
causing this; any pointers would be greatly appreciated.
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