I am having a problem with a recently built XV222. When I initially
buit it, it was working and went thru the calibration & testing with
flying colors. After initial testing it sat on the shelf for a while.
I tried to use it for a recent VHF contest. The symptom:
No 12V on JP9 Pin 1 and so there is no 12V for the oscillator.
There is 12 V on Pin 5 and Pin 3 of JP9. The 5V regulator U4 also has
12V input.
Any suggestions?
As an aside, the XV144 that I built is working fine.
Raj
Rajiv Dewan, N2RD
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