I have had the tv for three years, had it professionally calibrated and it has always worked flawlessly. I am no video or electronics professional so don't assume it's not user error.
I have had my cable receiver hooked up to input 5 and the ps3 to input 6 (both hdmi). Both have work fine toggling between the two for 3 years. I don't know if I accidentally changed a setting or what, but only input 5 seems to work now. I confirmed its not the ps3 and I also tried other inputs to no avail. The cable receiver works fine if plugged into input 5 and the ps3 works fine if plugged into input 5, but neither works if plugged in inputs 6-8. I feel like there is some setting that was accidentally changed rather than issues with the inputs. If anyone can help it is greatly appreciated. Thank you in advance.