[Premium-Rx] [Milsurplus] R1451A/WLR-6 - One More Time

[Al Klase]

Hi John,

If you can scan the schematics for the first three (from the antenna) 
front-end boards, it would be worth a look.

VY 73,
Al

On 7/7/2019 5:29 PM, w3jn at verizon.net wrote:
> Al, Sylvania made the R-1414 and R-1451 about the same time period and 
> there are definite similarities, including the bandswitch shaft going 
> through the boards.
>
> Not sure how similar the RF boards are, but I do have the R-1414 
> manual (huge) but I could scan a few pages.
>
>
> -----Original Message-----
> From: Al Klase <ark at ar88.net>
> To: premium-rx <premium-rx at mailman.qth.net>
> Sent: Sun, Jul 7, 2019 3:54 pm
> Subject: Re: [Premium-Rx] [Milsurplus] R1451A/WLR-6 - One More Time
>
> Gang,
>
> Thank you to everyone who weighed in on this. I must say I'm amazed at
> how many of these are in captivity.  I'll host any documents that show
> up on my site, and maybe even do some scanning if the Jersey Boys come
> through with paper.
>
> I made some progress on my set.  See:
> http://www.ar88.net/pix/R-1451A/Troubleshooting%20A1%20-%20RF%20Head.png
>
> So I'm really in need of, at least, the RF No. 1 board schematic. Has
> anyone been inside one of these.  I'm assuming step one is to disconnect
> the shaft coupler between the front panel and the band switch.  Then get
> the module out of the radio, pull the shaft, and extract the board.
> (There's a tool for that included.)
>
> VY 73,
> Al
>
> On 7/7/2019 2:35 PM, John Watkins wrote:
> > I think I have some of those dual gate FETs somewhere, going through
> > all of those treasures and will let you know if I find them.
> >
> > John WD5ENU
> >
> > On Sun, Jul 7, 2019 at 09:54 Al Klase <ark at ar88.net 
> <mailto:ark at ar88.net>
> > <mailto:ark at ar88.net <mailto:ark at ar88.net>>> wrote:
> >
> >    Gang,
> >
> >    Is there any documentation on this receiver
> >    <http://www.roveroresearch.info/home/boatanchor-radios/r-1451>
> >    beyond what comes up on Google?
> >
> >    I got this RX in 2001, and it worked pretty well, kind of a
> >    solid-state SP-600 with a nixie tube readout.  Now, it still
> >    tunes, but is profoundly deaf.  It hears stations at about 0 dBm.
> >
> >    I do have a module-interconnect diagram that's better than
> >    nothing.  Let me know if you'd like a copy.  (It's a shame these
> >    lists aren't opened up to support reasonable sized attachments.  I
> >    can tell the moderator how to do this if he's interested.)
> >
> >    Regards,
> >    Al
> >
> >    --
> >    Al Klase – N3FRQ
> >    Jersey City, NJ
> > http://www.skywaves.ar88.net/
> >
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> -- 
> Al Klase – N3FRQ
> Jersey City, NJ
> http://www.skywaves.ar88.net/
>
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-- 
Al Klase – N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/