[TenTec] Omni VI oscillator board adjustment?

[Stan Gammons]

What cheat sheet?   The Omni VI I have may need a little tlc before 
long.  I haven't really noticed it on other bands, but when I'm tuned to 
WWV on 10 Mhz and the tone is being broadcast; I hear a very short 
duration change in pitch of the tone from time to time. Like maybe the 
length of time to send a dah at 20 wpm.  After the change in pitch, 
drift?, it's back to normal for a while; then all of a sudden the change 
in pitch again.   An oscillator drifting and pulling the PLL out of lock?

73

Stan
KM4HQE


On 03/06/2018 11:16 PM, Peter Bertini wrote:
> Thanks for the responses... the question should have been worded more
> clearly.  I needed to know how to adjust the ten phase locked crystals on
> the hetrodyne oscillator board.  Dave, K1FK kindly provided an abbreviated
> cheat sheet showing how to adjust each oscillator using a scope on the
> phase detector.  The 20 meter band in my Omni had an intermittent problem
> where the frequency would develop a warble on CW signals.  I suspect it was
> the 20 meter crystal drifting to the ragged edge of being able to hold
> phase lock.
>
> 73
>
> Pete
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