[Elecraft] KX1 D2 Voltage checks high

Steve Watkins watti at charter.net
Sun Apr 22 15:31:15 EDT 2007


The voltages I'm seeing on both the cathode and anode of D2 are higher than called for in the manual.  I am seeing  approximately 0.225 volts a.c. on one end and about 0.110 volts a.c on the other end of the diode.  Pins #1 of U1 and pin #6 of U3 show about 3mv.

I rechecked to assure the three capacitors mentioned in the note at the bottom of page 28 were installed in the correct orientation, and also rechecked the solder connections.

The note mentions stray a.c. may be being picked up as noise and to try a different DMM.  I do not have another DMM at the moment to check it with.

Any ideas from my Elecraft family?

Should I continue on or not proceed until I get this corrected or checked with a different DMM?

Any assistance would be greatly appreciated.

Thanks, Steve
NE7RD


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