You could always send it in and have Elecraft repair it to avoid further “sparking” J
73, Bill K9YEQ From: [email protected] [mailto:[email protected]] On Behalf Of Jim Giercyk Sent: Monday, February 09, 2009 10:43 AM To: [email protected] Subject: [Elecraft] Aux AF Jack Hello all, I accidentally plugged my internal battery into the AUX AF jack instead of the AUX +12 jack. You can imagine what happened. I fried the firmware, which was okay because it needed to be replaced anyway. Now that the new firmware is in, the receiver is deaf. I traced that problem to U11 on the RF Board (Detector). There is no signal going to the BFO, and pin 6 is 'microphonic'. The signal from the IF Amp/Filter seems to be fine, and all of the DC voltages on the pins of the NE602 are to spec. I do not have much experience repairing my K2. Are there any 'gotchas' I should know about with regard to the detector/bfo interface? I only want to take the thing apart once if I can help it.....they don't call me sparky for nothin'. Thanks, Jim
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