I may have had a similar noise in my K-2 and had finally traced it to running Ham Radio Deluxe while using an external speaker. If I shut down HRD the noise would go away, BUT with HRD on and using the internal speaker on the K-2 it was not there. I traced it to computer noise getting into the speaker because of poor shielding of the external speaker leads. Hope this helps: 73
DDWEBB wrote: > > I am hearing low level random noise from my K2, > I hear it from speaker or head phones as well and even when volume and > RF > controls are all CCW and the antenna is disconnected. I even hear it when > I am > in transmit mode. Any suggestions as to where to start looking. I hate the > thought of removing the LM380n from the control board and finding I have a > bad > capacitor some where else. > Don...KA7L > > > S/N 1175. REV B > > > > **************Get trade secrets for amazing burgers. Watch "Cooking with > Tyler Florence" on AOL Food. > (http://food.aol.com/tyler-florence?video=4&?NCID=aolfod00030000000002) > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > > -- View this message in context: http://www.nabble.com/K2-Noise-tp17480232p17497695.html Sent from the Elecraft mailing list archive at Nabble.com. _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
