For several months my OMNI V was off frequency from the readout by about 10 to 
15 cycles.  Just enough for contacts to mention having to use RIT.  I installed 
the N4PY chip which allows me to bring display and output together.  The new 
chip made this a very different and enjoyable radio and the off freq. nuisance 
was gone.
Lately, there has been a freq. jump when changing bands.  The calibration is 
not holding.  The long term stability is good if left on one band.  The only 
work I have done is tighten screws on logic board and reset connectors.  No 
improvement.
My only thoughts are:  Y1 crystal, VFO encoder.  Not sure beyond those as 
possibilities.
Any input will be appreciated.
Thanks,
Ed WA4NJY
Bradenton, Fl
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