[Elecraft] Problem after KPA100UPKT upgrade

scramac scramac at earthlink.net
Tue Nov 22 23:53:10 EST 2011


Don,
I made some diode voltage checks and here is what is got:

            Anode                                        Cathode
D9         ref: 1.41   (13.6 actual)              ref: 13.8  (13.3 actual)
D10       ref 0.0      (0 actual)                   ref: 14.1  (13.6 actual)

            Anode
D11       RX 0-10w   ref 14.1  (actual: seem floating in mv range)
            RX 11-110w  ref 1.5  (actual: seems floating in mv range)

D12       RX 0-10w   ref 14.1  (actual: 1.4V)
            RX 11-110w  ref 1.5  (actual: 3.6V)

D13     RX 0-10w   ref 14.1  (actual: 13.6V
          RX 11-110w  ref 1.5  (actual: 1.4V)

D14     RX 0-10w   ref 14.1  (actual: 13.6V)
          RX 11-110w  ref 1.5  (actual: 1.4V)

Visual check doesn't show anything wrong.  Any thoughts on what could be
going on here?

Thanks for the help

Sam



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