[R-390] Need info on R-390A type or variation

[Nick England]

In particular, this manual change reflects Field Change 3-R-390A/URR and
shows a schematic for the new rear panel connections
http://www.r-390a.net/NAVSHIPS-0967-063-2031-T-1A-1964Nov30.pdf

NAVSHIPS 0967-063-2080 has the actual Field Change procedure but I can't
find a copy of that one.


Nick England K4NYW
www.navy-radio.com

On Tue, Apr 19, 2016 at 8:32 AM, Mark Donaldson via R-390 <
r-390 at mailman.qth.net> wrote:

> Navy modified receiver. This is fairly common to find and is not a factory
> variant but rather a modification that was performed after the receiver was
> delivered to the Navy.
> Mark WA1QHQ
>
>     On Monday, April 18, 2016 6:52 PM, Steve Toth via R-390 <
> r-390 at mailman.qth.net> wrote:
>
>
>  The rear panel you describe is for shipboard use.
> The US Navy manuals and updates here on the R390A Frequently Asked
> Questions Page: http://www.r-390a.net/faq-refs.htm#US Navy  - Steve
> K7PZN"Always look for a positive solution then Improvise, Adapt, and
> Overcome"
> "Sometimes it is the people who no one imagines doing anything, who do the
> things that no one can imagine".....
>
>
>       From: Norman Ryan via R-390 <r-390 at mailman.qth.net>
>  To: Phil <pmills7 at comcast.net>; R-390 <r-390 at mailman.qth.net>
>  Sent: Monday, April 18, 2016 1:49 PM
>  Subject: Re: [R-390] Need info on R-390A type or variation
>
> Hi, Phil,
> Well described!
> It is a US Navy accessory from what I gather.  I have a couple sitting
> here idle.
> 73Norman
>
>
>       From: Phil <pmills7 at comcast.net>
>  To: R-390 <r-390 at mailman.qth.net>
>  Sent: Monday, April 18, 2016 4:44 PM
>  Subject: [R-390] Need info on R-390A type or variation
>
> I recently lucked into an R-390A at a hamfest less meters and
> a few tubes that is dirty but restorable.  However, it is missing
> the front panel tag and black spray paint has been added to the
> back panel to cover any printed info.
>
> There is a long rectangular cover about 1 1/2 inches wide that
> runs across the back panel and covers up the barrier strips as well
> as the power connections.  There is one larger 3-pin amphenol
> military style connector in the middle labelled "power" and two
> smaller 2-pin mil style connectors near each end that are not
> labelled but I'm guessing might be for the two audio output
> channels.
>
> Can anyone tell me what this version was used for?
>
> thanks, Phil
> W5BVB
>
> ______________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:R-390 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net/
> Please help support this email list: http://www.qsl.net/donate.html
>
>
> ______________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:R-390 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>
> ______________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:R-390 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html