[Elecraft] KDSP2 stopped working, LED always on

Brian - N5BCN n5bcn at yahoo.com
Fri Mar 21 18:35:48 EDT 2014


Hi Don,

I performed a voltage test on U1 with the K2 on, DSPx module removed, coin
cell batt installed.

All pins tested ok except pins 15-19 and 27 were at 5V, the spec sheet says
that they should be at 0 V.  It is not obvious to me if this represents a
problem per the schematic of U1.

Also, the DSPx module gets pretty warm when plugged in and the K2 is powered
up.

BTW, U3 on my DSPx module is soldered directly to the board, there is no
socket.

Thanks and 73,
Brian N5BCN





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