Problem Solved, a small short/blob of solder on the female connector on the DSP PCB was causing the issue.
Andy. ----- Original Message ----- From: "Andy 0zdly7602-at-sneakemail.com |Elecraft Reflector|" <...> To: <elecraft@mailman.qth.net> Sent: Saturday, May 14, 2005 10:58 PM Subject: [Elecraft] K2 2490 DSP Pop > Hi > > I have a K2, serial number 2490 fitted with the KDSP2 board, DSP firmware > version 3.18, microcontroller version 3.10. > > The DSP appears to be working ok. If I disable the DSP via the display button > (DSP = BYP) the audio is muted for a short period of time and then audio > returns as would be expected. However if I turn the DSP back on I get a loud > crackle from the speaker. The crackle appears when the volume is turned fully > down. Increasing the volume increases the loudness of the crackle. From the > KDSP2 manual I assume the speaker output should be muted when the DSP board > is turned on or off but my K2 seems to only mute the speaker when the DSP is > turned off. Any ideas what could be causing this? > > > Thanks > > Andy > _______________________________________________ > 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 > _______________________________________________ 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
