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QDX is dead. USB interface nonfunctional. Flummoxed. Help, please.


 

I can't even communicate with it over usb. Red light not on. Draws only about 60 mA. Using PUTTY com pgm. Checked for 5 and 3v supplies. no problem there. Si5351 putting out 24 MHz or so. TCXO putting out 25 MHz.
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Purchased new, already made. Worked great, then died. Love the little rig. Any ideas?
Thanks,
Jim W7LS
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