Jan, It sounds like it may be just a broken AF Gain control. Contact support - if you have the capability to repair the board yourself, then a part can be sent to you, but if not, the whole board will have to go in for repair.
73, Don W3FPR On 7/8/2012 8:45 AM, Jan Ditzian wrote: > I suddenly came up with several problems related to audio volume on my > K3, MCU 4.51. > > I was listening on USB with slow AGC and I noticed that the volume would > suddenly drop and remain low until I hit the T/R button, whereupon it > would come back again, and then disappear. I switched to fast AGC and > the problem diminished but did not disappear. So I reached for the > audio volume control and discovered that it now turns 360 degrees > without a stop, although there is a slight detent at the regular > stopping point. I tried to turn AGC off, and although the display > indicates that it is off, there appears to be no increase in volume. I > now feel that the volume is lower than it was when I first built the unit. > > There may be some troubleshooting to do here. I notice this less with > strong signals. I guess I would like to know what to do about the > rotation first, and then pursue the overall volume problem. > > Thank you, > > Jan, KX2A > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft 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
