All, The other day my wife called me on the cellphone and said, "what's that awful noise? Your speaker is making a loud noise". I figured out that "my speaker" was the K2, which was supposed to be off, but apparently had been switched on by one of my kids. When I got home and did post-mortem analysis, I determined that the lawnmower battery that I run the K2 off of was dead, so apparently it had been on for quite some time without me realizing it. In addition, there is now no audio output at all from the speaker. Dead. Nada. But the audio through the headphones is fine and I notice no other problems with the rig other than the speaker audio. Before I dig deeper into the schematics and the radio, I wanted to see if anyone else has ever had a similar incident. Best I can tell, the audio went into some sort of feedback loop and blew some of the circuitry, perhaps when the suply voltage went below the lower spec. But not being there, I am not sure the exact sequence of events. Any suggestions? I really am in the mood to get the K2 back to full function. Thanks in advance for the feedback before I hit the bench with soldering iron & multimeter in hand... 73, Joel NF9K
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