[R-390] Where is the xtal Y201 located?

[David Wise]

Download a copy of the Y2K R-390A manual; it's figure 6-11,
and you could have searched for it by name.  After my brain,
this manual is my first service tool.

Dave Wise

> -----Original Message-----
> From: r-390-bounces at mailman.qth.net
> [mailto:r-390-bounces at mailman.qth.net]On Behalf Of Bob Camp
> Sent: Sunday, September 23, 2007 4:23 PM
> To: Jim Green
> Cc: r-390 at mailman.qth.net
> Subject: Re: [R-390] Where is the xtal Y201 located?
> 
> 
> Hi
> 
> Take a look inside the little round crystal oven on the RF 
> deck. It's  
> got two crystals in it. One is for the calibrator, the other is a 17  
> MHz "first oscillator" crystal for the low bands.
> 
> Bob
> 
> 
> On Sep 23, 2007, at 6:42 PM, Jim Green wrote:
> 
> > In Document TM 11-5820-357-20 On page 26, Section 14  
> > Troubleshooting Techniques, Paragraph e, step (5) It says "If all  
> > bands except 00 through 08 operate change crystal Y201
> >
> > My R-390 goes from weak to completely deaf from .5mc to 2mc . Then  
> > is completely deaf from 2mc to 7.999+mc. It receives well from 8mc  
> > to 32mc. I suspect Y201, but do not know where to find it in the  
> > radio. I have looked over the schematics and all the figures in  
> > both TM 11-5820-357-20 & TM 11-5820-357-35 all to no avail. Can  
> > anyone tell me where to look?
> >
> > Cheers!
> >
> > Jim
> > KG9MM
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