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Re: QMX+ JUST WON'T WORK

 

Dave, you may check Plug-in PCB#2 offline using QMX QMX_Plus Power supply test Process from the QRP Labs Wiki.
At the end of the text you find the methode to check the proper function of the zener diode. Do this only if the current is limited to 50 mA or a bit less.
?
73 Ludwig
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