[Elecraft] KXPA100 Fault on ANT1

2021-02-14 Thread gerald.eberle

@ N7WA

Hi Dink

Many thanks for your help. It turned out to be the same issue as you 
experienced. After removing the ANT1 SO239 connection from the ATU board I’ve 
measured also a shorted cable. To be sure that there are no other issues, I 
connected the ANT2 SO239 to ANT1 on the ATU board and voila, ANT1 it is 
working! So, I only have to get a replacement cable to have both Antenna 
sockets back again in working order.

73, Gerald HB9CEY

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Re: [Elecraft] KXPA100 Fault on ANT1

2021-02-13 Thread Michael Dinkelman

fyi Gerald

I just had a similar issue.
The coax connection between the ANT1 SO239 and the board shorted at the 
crimped TMP connector
(after two years of use). Elecraft support (Rob) was helpful in 
troubleshooting too.


Might check the spark gaps on the board too

cheers
dink, n7wa



On 2/13/2021 11:13 AM, gerald.eberle wrote:

Hi All

While I’ve used my KX3 / KXPA100 with ATU in the Rtty contest a fault was 
displayed and ANT1 did not work anymore. No receive and high swr. PA and ATU on 
ANT2 are working as expected and the relays is switching between the 2 
antennas. I think I’ve fried something on the input of ANT1. Where should I 
start to search? Any help is appreciated.

Thanks and 73
Gerald HB9CEY

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[Elecraft] KXPA100 Fault on ANT1

2021-02-13 Thread gerald.eberle
Hi All

While I’ve used my KX3 / KXPA100 with ATU in the Rtty contest a fault was 
displayed and ANT1 did not work anymore. No receive and high swr. PA and ATU on 
ANT2 are working as expected and the relays is switching between the 2 
antennas. I think I’ve fried something on the input of ANT1. Where should I 
start to search? Any help is appreciated.

Thanks and 73
Gerald HB9CEY

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