The usual K2 headphone jack failure results in the speaker going dead. To fix it requires replacing the jack, but a workaround is to short two pads together. The speaker will then run all the time, whether or not there are headphones plugged into the front of the rig. The speaker can be cut off by inserting a plug into the external speaker jack or by a switch. I put a photo showing which pads to jumper together on my web page. The link (and brief text) are near the bottom of this page:
http://www.qsl.net/ve3sma/downloads2.html while the photo itself is at
http://www.qsl.net/ve3sma/K2HeadphoneJackSwitchBypass.jpg Thanks to Don, W3FPR, for identifying the correct pads for me. 73,Steve VE3SMA
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