[Elecraft] K3 Apparent PA failure ?

Martin Sole hs0zed at gmail.com
Mon Apr 9 12:35:46 EDT 2018


I’m pressing TUNE. Mode VOX etc shouldn’t matter.

Martin, HS0ZED


Sent from my iPad

> On 9 Apr 2018, at 23:32, Dave Sublette <k4to.dave at gmail.com> wrote:
> 
> Are you in CW mode? If so, is VOX enabled?
> 
> K4TO
> 
>> On Mon, Apr 9, 2018 at 12:20 PM, Martin Sole <hs0zed at gmail.com> wrote:
>> Not in test mode :(
>> 
>> I get the red TX led bit the display show 0w and - - where the VSWR display would be when I press TUNE in TX NORM.
>> 
>> Martin, HS0ZED
>> 
>> 
>> 
>>> On 09/04/2018 22:56, Dave Cole (NK7Z) wrote:
>>> Press and hold the right side of the band-switch over "Test" and make sure you are not in test mode.
>>> 
>>> You should see the words:
>>> 
>>> "TX TEST"
>>> 
>>> or
>>> 
>>> "TX NORMAL"
>>> 
>>> It should say "TX NORMAL".
>>> 
>>> 73s and thanks,
>>> Dave
>>> NK7Z
>>> https://www.nk7z.net
>>> 
>>>> On 04/09/2018 08:31 AM, Martin Sole wrote:
>>>> Hi,
>>>> 
>>>> My K3 died today, somehow. The radio works fine on receive and appears to transmit just there is no power indication on my external meter or on the front panel when pressing TUNE. There is ALC indication but no power out indication.The only thing I did different was to switch off the supply before the radio, something I normally never do. Having noted others having issues with that I reloaded the firmware. Still no output. Starting to think that somehow the PA is fried or possibly the driver as there is nothing from the 10 watt PA either. Tried turning the power down and putting the KPA3 into bypass. Still no power output. Not sure what else to try before I tear into it. Was going great, worked 3B7A on 3 bands today no problem.
>>>> 
>>>> Suggestions appreciated.
>>>> 
>>>> Thanks
>>>> Martin, HS0ZED
>>>> 
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>> 
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