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
