[Elecraft] [K2] KIO2 Malfunction

[KT4G]

Don,

That's indeed good to know.  I went ahead and cut the pins to the original
1406 so I wouldn't screw up the PC board.  The 1406's are on order now. 
I'll let you know how it goes when they get here.

Thanks again!

Larry KT4G



Larry,

Other than that negative voltage supply, the 5 volt regulator, and the 
12 volt line, there is just not other places to look for a problem.  The 
MAX1406 just handles two RS-232 signals in this application, TXD and 
RXD, so there is nothing on the board to stress the chip.

73,
Don W3FPR


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