Hi all, will be home next week and will dig for the 725 manual, I remember that a small power transformer was certainly added to supply the IF chassis with 26Vac for the filaments. Do let me know all the info you need! Best, Francesco Sartorello Sent from my steam powered device! -------- Messaggio originale --------Da: Francesco Ledda <[email protected]> Data: 28/05/24 00:16 (GMT+01:00) A: [email protected] Cc: "francesco.sartorello" <[email protected]>, Larry Haney <[email protected]>, R-390 Forum <[email protected]> Oggetto: Re: [R-390] Series 500 IF Module Gary… too many Italians in this small group!Sent from my iPad> On May 27, 2024, at 16:55, [email protected] wrote:> > Francesco Ledda,> > Thanks for replying. My message was aimed at Francesco Sartorello as it appears that he has some documents.> > Best regards,> > > -----Original Message-----> From: Francesco Ledda <[email protected]>> Sent: Monday, May 27, 2024 3:25 PM> To: [email protected]> Cc: francesco.sartorello <[email protected]>; Larry Haney <[email protected]>; R-390 Forum <[email protected]>> Subject: Re: [R-390] Series 500 IF Module> > Gary,> > I don’t think I have any pertinent information related to the R-725. If I had it, I would share it.> > Best, Francesco K5URG> Sent from my iPad> >> On May 27, 2024, at 16:19, [email protected] wrote:>> >> Francesco,>> >> Ciao. Would you be willing to share the information so that we can put it on the R-390a.net website?>> >> Thanks for considering.>> >> Gary Biasini>> >> -----Original Message----->> From: [email protected] <[email protected]> On Behalf Of francesco.sartorello via R-390>> Sent: Monday, May 27, 2024 1:55 PM>> To: Larry Haney <[email protected]>; R-390 Forum <[email protected]>>> Subject: Re: [R-390] Series 500 IF Module>> >> Gang, a few years ago Robert Downs sent me a copy of the 725 manual with all the variations to the original 500 module, including filament supply from a stock 390A, mail him!Ciao, FrancescoSent from my steam powered device!>> -------- Messaggio originale --------Da: Larry Haney <[email protected]> Data: 27/05/24 17:26 (GMT+01:00) A: R-390 Forum <[email protected]> Oggetto: Re: [R-390] Series 500 IF Module Hi Byron, The 2 places I know of for R725 info is 'google 'R725 bama''and on R-390A Rebuild Part3 (radioblvd.com)<https://www.radioblvd.com/R390A_Rebuild_Part3.htm>. Have fun.Regards, LarryOn Mon, May 27, 2024 at 6:46 AM Byron Tatum <[email protected]> wrote:> Hello- I am considering converting an R-390 IF module to fit into an> R-390A mainframe. I have some info on this but have seen posts that a> schematic for the actual Servo Corporation Series 500 IF module exists. I> have searched for one to no avail. I was hoping to find this schematic> to compare it to the R-390 IF module and aid in the conversion. Also, I> would like to add any R-725 technical info that is available to my files> here in order to study. Will pay any costs incurred if copying is> required.Thanks all,Byron W5FH> ______________________________________________________________> R-390 mailing list> Home: http://mailman.qth.net/mailman/listinfo/r-390> Help: http://mailman.qth.net/mmfaq.htm> Post: mailto:[email protected]>> This list hosted by: http://www.qsl.net> Please help support this email list: http://www.qsl.net/donate.html______________________________________________________________R-390 mailing listHome: http://mailman.qth.net/mailman/listinfo/r-390Help: http://mailman.qth.net/mmfaq.htmPost: mailto:[email protected] list hosted by: http://www.qsl.netPlease help support this email list: htt> > ______________________________________________________________ R-390 mailing list Home: http://mailman.qth.net/mailman/listinfo/r-390 Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected]
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