Reply To: LD-5 questions Home › Forums › QRP Transceivers › LD-5 questions › Reply To: LD-5 questions January 21, 2017 at 9:00 pm #3270 QRPMEParticipant Lou, There is no schematic. It was never passed on to LnR by the designer. The pin out is listed in the manual located on the LnR homepage. Manuals