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In Reply to: RE: Odd tuner behaviour in two Yamaha receivers. posted by Quadzilla on December 20, 2020 at 11:34:50
Without knowing how the tuner works -- if it is an analog tuner with a digital frequency counter, that could be the explanation (I would think).
Could be drift if there is anything that could drift in the circuit, or maybe it is indicative of misalignment (again, if there's anything to align).
One other, tangential thought. I think (???) US and European FM band frequency spacing may be different (I am pretty sure that AM channel spacing is different in the US and Europe); is there a switch on the back?
Just brainstorming here -- I have no real clue!
all the best,
I think it is purely digital, and I think it is odd that BOTH receivers have the same problem. I wonder if anyone else has run into it and figured out the problem.
Looks like a normal analog front end, but, yeah -- probably something else going on.
So, it randomly jumps up, or down, 0.1 MHz sometime after tuning? Does the signal quality change (i.e., does it sound off-center-channel/distorted)?
Yeah, I have no idea -- but it's curious.
all the best,
It doesn't fade to that frequency, it tunes there as if that is where the centre of the channel is. I just find it very odd that both should have the same issue.
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