One more thing, the wiper on the c/l meter adjust pot r523 could be making poor contact.
Regards, Larry On Thu, Sep 14, 2023 at 11:17 PM Larry H <[email protected]> wrote: > Hi Gary, One possibility is that V506A is very weak or dead or its plate > resistor R549 is open or a very high value. > > Regards, Larry. > > On Thu, Sep 14, 2023 at 5:59 PM <[email protected]> wrote: > >> Good evening, >> >> >> >> I am hoping for some help on this. On EAC S/N 3122, upon turning on the >> radio, even without an antenna attached and not tuned to any signal, the >> carrier level meter deflects fully in both AGC and MGC mode. The AGC >> appears to be working because, on strong signals, the sound at the output >> is >> not as strong as on MGC. >> >> >> >> Any thoughts as to what may be causing this issue? >> >> >> >> Thanks in advance. >> >> >> >> ______________________________________________________________ >> 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 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
