There is also a problem. Easy to decide. The diameter of the hole in the case cover opposite the power connector is small, and the cord connector does not fully fit into the device socket. The hole diameter needs to be increased. I won't say how much. I did this without measurements. The same thing happens on the PA-50 case cover. I also had to increase it. I had contact flickering and the connector was getting hot.
--
73, Oleh, UY2ZA