VE2SHF sed:
> One think worth mentioning: I had to apply significant pressure on the
> three transistors mounted on LPA board when I installed the lower bottom
> panel because the transistors raised slightly above the bottom panel level.
> I don't know if it is normal (ensure good thermal contact?) or if I used the
> wrong screws somewhere.
When I assembled my K3, merely having the bottom panel too close to the "band stop" circuit board was enough to cause me repeated ERR TXG messages, particularly when the weight of the 100W module pushed the board closer to the bottom panel. The "band stop" board is about the size of a postage stamp, hanging down from the bottom of the main RF board.
But in your case, you have already noticed a bigger mechanical problem than I had. I suggest that you contact K3 Support at
[hidden email] and describe the mechanical problem you noticed, as above. Your need to force on the bottom panel may well be the cause of the ERR TXG.
73, Paul W8TM
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