[Elecraft] New KX2 No Transmit

[George King]

Thanks Guy,

I checked my connector and in fact tried two other coax leads - all with 
the same result.

73,   George  W5AGK


On 7/3/2016 1:05 PM, Guy Olinger K2AV wrote:
> May not apply in your case, but male BNC connectors can sometimes have
> the center pin retracted a bit. This can cause the connection to just
> barely fail in some female connectors and not in others.
>
> PROVE that external connections are not the problem before tearing
> apart the rig or sending it back to Elecraft.
>
> 25:1 SWR means no connection on center pin somewhere very close.
>
> 73, Guy K2AV
>
> On Sun, Jul 3, 2016 at 12:51 PM, George King <georgeking at twc.com> wrote:
>> I just received my KX2 and really like it.  I have the ATU and battery
>> installed.   Receive works fine, but I cannot transmit. When I press PTT I
>> get several beeps and in some cases the radio shuts off.  Sometimes I get a
>> Hi CUR message.  Here is some data:
>>
>> 7.213 MHz,    Voltage 11.7,   Power set at 8 watts.   When I press ATU to
>> tune the tuner works hard and displays 25.4 - 1 while trying to tune and
>> never changes.  Is this telling me the SWR is 25.4:1? The antenna SWR
>> checked at the BNC connector on the antenna at the radio with an MFJ 259B is
>> 1.3:1
>>
>> 7.285 MHz,  Voltage 11.7,  Power 8 watts,  SWR checked with MFJ 259B is
>> 2.0:1.  Same result when I press ATU.
>>
>> When I bypass the ATU I still get the same result except that I do not see
>> the 25.4 - 1 display.
>>
>> Also, same result on all other bands.  I installed the side panels before I
>> tried to transmit.  I thought maybe I had a bad antenna connection.  A check
>> with an ohm meter shows a good connection between the BNC connector and the
>> antenna connection on the ATU board.
>>
>> I checked the connector from the ATU to the RF board and it seems to be
>> mated properly.  I tried transmitting into a 50 ohm dummy load with the same
>> result.  I made a jumper cable with a BNC connect on it and connected it to
>> the ATU bypassing the installed BNC connector - same result.
>>
>> SN is 463, just installed firmware 2.66.  Did not try to transmit before
>> upgrading to 2.66 or installing the side panels.  Seems to me I have a bad
>> antenna connection somewhere.  Does this make sense?
>>
>> Any help will be appreciated.
>>
>> George King           W5AGK
>>
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