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Vintage Amateur and Military Radio Amateur/military receivers and transmitters, morse, and any other related vintage comms equipment.

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Old 24th Jun 2020, 8:51 pm   #1
rv2p800
Triode
 
Join Date: Dec 2007
Location: Sola, Norway
Posts: 11
Default Plessey PR-1551

Several years ago i had fun bringing a PR-155 back to life. A good receiver for all practical purposes Some time ago i got hold of a PR-1551 receiver for a modest price (GBP 50 or so). Seems to have been used a lot, probably by the Forces here in Norway. Some mecanical issues seems to be solved first, stuck scale for one. I have actually not opened the unit, nor powered it up, i like to have the paper-works in order first;-) As i understand it, this receiver may be locked in some way in the kc/s (kHz) VFO-range as well as in the MHz range (as with the -155) As always the problem is the manual, not avaliable. On the big Interweb the manual for the PR-1553 is avaliable. Again, reading the manual, i understand that the -1551 is a -1553 without the display-unit but else more or less the same, so by that defenition it should be possible to interpolate the information from the -1553 to the -1551 ?
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Old 25th Jun 2020, 1:24 am   #2
John KC0G
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Join Date: Mar 2009
Location: Minneapolis, Minnesota, USA.
Posts: 154
Default Re: Plessey PR-1551

http://www.mauritron.com/info/p/plessey.html suggests that service manual CDC-1318 covers the PR1550/1/2/3/4 models.
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Old 25th Jun 2020, 6:20 pm   #3
rv2p800
Triode
 
Join Date: Dec 2007
Location: Sola, Norway
Posts: 11
Default Re: Plessey PR-1551

Good tip! Bought the manual from Mauritron this afternoon.

The differences between the PR-1551 and 1553 is explained on one page with four paragraphs: In principle - disregard all circuitry involving the Nixie-counter/readout. Simple as that.

The manual freely avaliable on internet is the same but not the same source as Mauritron

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