[R-390] Reduced 500-1000KHz sensitivity

[Ian Gallimore]

Hi, group,

My 390A was purchased from Fair five or six years ago.
I've recently noticed a significant decrease in sensitivity in the 500-1000KHz band. Other bands appear to be OK. Just before this occurred, I noticed that the sensitivity could be dramatically increased by turning the MHz knob a little toward the 01 setting and back, but this no longer helps.
Has anyone else noticed this?
Any suggestions gratefully received.

73

Ian VA3ODA