Martin,
While that may happen rarely in any K2 - when the firmware is quite
busy, your video shows it happening frequently, which is abnormal.
The most common cause of that behavior is in late K2s with the new
encoder - the one with the encoder board that sits close to the control
board. If that describes your K2, then flush cut the encoder board
leads (really close to the board) and do the same on the control board
in the area where the encoder board can contact the solder side of the
Control Board.
If your K2 has the older encoder, then look for a bad solder connection
on either the Control board or the Front Panel board.
73,
Don W3FPR
On 7/31/2017 5:06 AM, Martin Rath wrote:
Hi,
I happen to be in Europe for a few weeks of holidays and wanted to use my
old K2 that I never imported into Singapore for some QSO's.
I'm facing an issue with the LCD randomly flickering and displaying the
power and speed.
I have also experienced that when I'm in the middle of a QSO the speed will
randomly change.
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