I just got this as my new tv. I set it up with the settings the reviewer in that forum used as I don't have calibration equipment. Overall, I think the picture is great, but my set exhibits some ...

The nature of the display technology is such that the use of LEDs (light-emitting diodes) in it will result in the backlight bleeding phenomenon sooner or later. It can range from minimal to extreme ...

Backlight bleed like you describe is awful imo. A lot of 22" panels have had that problem, so swapping it out may not improve things much.