[R-390] 17.000 Mhz Crystal

Barry n4buq at knology.net
Mon May 13 09:03:08 EDT 2013


I'll look today.  As I say, I've divested myself of most of my "stuff" but I do have a small handful of crystals left.  Hopefully 17.000 is among them.

73,
Barry - N4BUQ

----- Original Message -----
> From: "Gordon" <gordon at n6wk.com>
> To: "n4buq" <n4buq at knology.net>
> Cc: R-390 at mailman.qth.net
> Sent: Sunday, May 12, 2013 10:45:38 PM
> Subject: Re: [R-390] 17.000 Mhz Crystal
> 
> Hi Barry,
>   I swapped the crystals from HR-202 and the 14Mhz Band came alive.
> That verifies that my 17.000Mhz Crystal is bad on the Oscillator
> Board.
> If you or anyone on here doesn't have one, I'll order one from Fair
> radio
> 
> Thanks,
> Gordon
> N6WK
> 
> 
> On 5/12/2013 7:07 PM, n4buq wrote:
> > IIRC, the 17Mhz oscillator is only used when in triple-conversion
> > mode
> > and I don't think 14MHz and/or 31MHz are triple-conversion bands
> > (but
> > you probably already knew that); however, I don't know if there are
> > characteristics for Y-412 that are different from the
> > characteristics
> > for the crystal used in the multiband oscillator. Someone else
> > might
> > comment on that.
> >
> > 73,
> > Barry - N4BUQ
> >
> > On 5/12/2013 8:44 PM, Gordon wrote:
> >> Thanks Barry,
> >> Please let me know.
> >>   Also, I wonder, Can I take the 17 Mhz crystal (Y201) from the
> >> HR-202 and try it in the Y412 socket to verify the crystal is the
> >> problem?
> >>
> >> Gordon
> >>
> >>
> >> On 5/12/2013 5:32 PM, n4buq wrote:
> >>> Hi Gordon,
> >>>
> >>> I've gotten rid of most of my crystals but I'll check to see if I
> >>> have one.
> >>>
> >>> 73,
> >>> Barry - N4BUQ
> >>>
> >>> On 5/12/2013 6:54 PM, Gordon wrote:
> >>>> Well, I finally have my R-390A re-assembled.
> >>>> I turned it on today and so far looks and works great EXCEPT for
> >>>> 14
> >>>> and 31 Mhz.
> >>>> After some quick checks, it appears my 17.000 Mhz (Y-412)
> >>>> Crystal
> >>>> is bad.
> >>>> Does anyone have one to sell ?
> >>>>
> >>>> Thanks,
> >>>> Gordon
> >>>> N6WK
> >>>>
> >>>>
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> >>>
> >>>
> >>
> >>
> >
> >
> 
> 


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