Posted by
Mike Maiorana-2 on
Oct 15, 2017; 10:11pm
URL: http://elecraft.85.s1.nabble.com/K2-BFO-test-failed-tp7634802p7635156.html
Don,
My replacement BFO crystals arrived today and I installed them. My BFO
range is now 5.66 kHz. FIXED! Thank you!
I have to add a note about what I call "Elecraft Mojo". The crystals were
back ordered so there was a delay before they could be shipped. The package
was sent Friday from California on its way to Florida. USPS web page said
that the package would deliver on Monday. I checked the tracking info this
morning (Sunday) and it said that the package was at the local sorting
facility. So, on track for a Monday delivery. I went out to the mailbox to
drop off an outgoing letter this afternoon and I was surprised to see a
Priority Mail box inside. Sure enough, it was my Elecraft parts order,
delivered by the USPS ON SUNDAY!!! To make sure I wasn't losing my mind I
checked the tracking info again and sure enough, it was sorted and
delivered today. I have NEVER received regular mail on a Sunday. Just more
of that Elecraft Mojo.
And, of course, my tiny little order was treated with the same urgency and
respect as when I bought the radio new. What a great company.
Now, off to finish the alignment!
Thanks again and 73
Mike M.
KU4QO
On Sat, Sep 30, 2017 at 10:53 PM, Mike Maiorana <
[hidden email]> wrote:
> Don,
> Thank you again for your very detailed response. I think I've found the
> problem.
> After doing the visual checks you suggested I wanted to try and isolate
> the crystals to see if the problem was there.
> I left L33 alone and carefully removed the BFO crystal that was accessible
> without removing the inductor. Now CAL FCTR showed the BFO frequency as
> 00000. Interesting.
>
> I then removed L33 and the second BFO crystal. Using a simple crystal
> tester/oscillator I have showed the second crystal (the one under L33) did
> not oscillate. The other crystal seemed to oscillate fine. So, it looks
> like an order for a pair of BFO crystals should get me back in business, or
> at least let me continue the alignment. Hopefully this was the only problem.
>
> Thanks again Don for your expert advice. I'll follow up when I get the
> replacement parts.
> Best regards and 73
> Mike M.
> KU4QO
>
>>
>>> I'm having an issue at the BFO test. The BFO high frequency is
>>> 4916.04 kHz
>>> and the low frequency is 4913.82 kHz. That's a difference of
>>> 2.19 kHz, well
>>> below the 3.6 kHz stated minimum.
>>>
>>>
>>>
>>
>
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