Update:

- reseted all TMP connectors
- already changed the pin headers at the KPA3 (had the 12V ERR some months 
ago), since then radio was good for some hundred QSOs
- no transverter available
- serial number is 1532
- K3 receives without any problems
- uploaded the newest firmware

No change.

I don't have a spectrum analyzer, but I will look with my eyes if there is 
something noticeable.

73s Chris DL1MGB


Am 25.03.2021 um 02:35 schrieb Ray:
>  
> 
>  
> 
> Harald
> 
> I think you need to start at Ground Zero,,,,,,
> 
> Go to your Elecraft Utility
> 
> And connect to the K3 Radio and verify
> 
> The Firmware is present (05.67 ect)
> 
> I would go to the Basic mode of operations.
> 
> Set K3 to SSB operation Upper or  Lower , Freq middle of band.
> 
> Set radio to PTT (not VOX) Ant 1, load to Ant 1.
> 
> Verify on K3 DVM , voltage is 13 volts.
> 
> Push Tune button (long for TX – with RF)
> 
> Adjust PWR knob Clockwise for Max RF power.
> 
> Take readings………. Ray WA6VAB  K3  
> 
>  
> 
> *From: *Christian Janssen DL1MGB <mailto:ch...@dl1mgb.com>
> *Sent: *Wednesday, March 24, 2021 1:49 PM
> *To: *Harald Fritzsche (DD0VS) <mailto:harald.fritzs...@dd0vs.de>; 
> elecraft@mailman.qth.net <mailto:elecraft@mailman.qth.net>
> *Subject: *Re: [Elecraft] K3 - no output power
> 
>  
> 
> Hi Harald,
> 
>  
> 
> spectrum analyzer and more space on the table would be the best, but both not 
> available :-)
> 
>  
> 
> Additional information:
> 
> - internal voltage / current (DISP)
> 
>  
> 
> Standby: 13.8 V / 0.86 A
> 
> Tune: 13.4 V / 3.20 A
> 
>  
> 
> And still no power output on the external wattmeter.
> 
>  
> 
> It seems that there is something produced, but it doesn't exit the K3.
> 
>  
> 
> I also did an EE INIT, ut no change.
> 
>  
> 
> 73s Chris
> 
>  
> 
>  
> 
>  
> 
> Am 24.03.2021 um 21:32 schrieb Harald Fritzsche (DD0VS):
> 
>> Hello Chris,
> 
>>
> 
>>  
> 
>>
> 
>> strange is, that your Display does not show a frequency, but it should.
> 
>>
> 
>>  
> 
>>
> 
>> I had a water Intrusion in 2019 which causes several defects.
> 
>>
> 
>> I was testing along the Signal path to see the Signal (with RSP-spectrum 
>> analyzer), that helped me, to find the defects. It tooks a while also with 
>> help of the list here.
> 
>>
> 
>>  
> 
>>
> 
>> Receiving is working?
> 
>>
> 
>>  
> 
>>
> 
>> Vy73 & GL
> 
>>
> 
>> Harald
> 
>>
> 
>> DD0VS
> 
>>
> 
>>  
> 
>>
> 
>>  
> 
>>
> 
>>  
> 
>>
> 
>> Gesendet von Mail <https://go.microsoft.com/fwlink/?LinkId=550986> für 
>> Windows 10
> 
>>
> 
>>  
> 
>>
> 
>> *Von: *Christian Janssen DL1MGB <mailto:ch...@dl1mgb.com>
> 
>> *Gesendet: *Mittwoch, 24. März 2021 21:05
> 
>> *An: *elecraft@mailman.qth.net <mailto:elecraft@mailman.qth.net>
> 
>> *Betreff: *[Elecraft] K3 - no output power
> 
>>
> 
>>  
> 
>>
> 
>> Hello,
> 
>>
> 
>>  
> 
>>
> 
>> it happened during the Russian DX Contest last Saturday, from one second to 
>> another. No output. When I tune the display looks like this: 
>> http://dl1mgb.com/temp/k3_no_power.jpg
> 
>>
> 
>>  
> 
>>
> 
>> Following conditions:
> 
>>
> 
>>  
> 
>>
> 
>> - sending into a 50 ohm dummy load
> 
>>
> 
>> - no matter how many watts are set with PWR knob
> 
>>
> 
>> - Test mode off
> 
>>
> 
>> - TX INH off
> 
>>
> 
>> - all driver transistors working (three screw test)
> 
>>
> 
>> - no output power also on external watt meter
> 
>>
> 
>> - happens on all bands
> 
>>
> 
>> - happens with KPA set to "not inst"
> 
>>
> 
>> - knocking on housing doesn't change anything
> 
>>
> 
>> - when starting the antenna tuner, it says 5.0 watts, but no output on the 
>> external watt meter
> 
>>
> 
>>  
> 
>>
> 
>> I am running out of ideas :-)
> 
>>
> 
>>  
> 
>>
> 
>> 73s Chris DL1MGB
> 
>>
> 
>> ______________________________________________________________
> 
>>
> 
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> 
>>
> 
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> 
>>
> 
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> 
>>
> 
>> Post: mailto:Elecraft@mailman.qth.net
> 
>>
> 
>>  
> 
>>
> 
>> This list hosted by: http://www.qsl.net
> 
>>
> 
>> Please help support this email list: http://www.qsl.net/donate.html
> 
>>
> 
>> Message delivered to dd...@gmx.de
> 
>>
> 
>>  
> 
>>
> 
> ______________________________________________________________
> 
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> 
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> 
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> 
>  
> 
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> 
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> 
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> 
>  
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