360 displaying 1080p on a Samsung LN32A330J1N?

[Oyeve]

Ok, so I have a Samsung LN32A330J1N, its a series 3 model from earlier this year. Primary use is 360 and PC and football. Anyway, I usually just have the 360 connected to it via HDMI and port the sound from the TVs optical to my receiver. Yesterday I hacked open my 360s component cable so I can do a comparision with HDMI and component to the TV just by switching the input on the TV. Anyway, the HDMI resets the 360 if you use both a hacked open cable and HDMI, well known issue thats taken care of by snipping the black cable in the component connector. Thats not the issue tho. I decided to just keep using HDMI as it looks great and it easy to deal with. I was playing with the 360s video resolution settings and saw 1080P. I usually leave it at 720P as that is the LN32A330J1N native resolution. But I was feeling bored and set the 360 to 1080P, applied, TV blanked for a sec and then the 360 asked if I wanted to keep the settings so I said yes. Shut down the TV and the 360 because I just knew one or the other would be reset as the TV is not supposed to do 1080P at all. Turned it all on and the 360 still said 1080P and the TV just said 1080. Usually if I set anything to 1080i the TV would just say 1080i, but the 360 is at 1080P and the TV just says 1080......no i after it. Can this TV in fact put out 1080P?????


Sorry for the rambling on, just took my Ritalin.

 

[Oyeve]

Actually, this should be in the Audio/video forum.

Can a mod move it?

 

[Rage187]

if the native resolution of your tv is 720P, than thats what you are seeing

 

[erwos]

Some 720p TVs can accept 1080p input. They'll scale it down to 720p, probably adding a bit of scaler lag. You don't have a 1080p HDTV.

 

[Oyeve]

Originally posted by: erwos
Some 720p TVs can accept 1080p input. They'll scale it down to 720p, probably adding a bit of scaler lag. You don't have a 1080p HDTV.

I know that, but when I press the info button on the TV says 1920x1080 @60hz. If the TV is not capable of that res then why would it display that? Unless its just interlaced. But if I change the 360 to 1080i the info displays the "i" when I press the info button on the tv.

 

[erwos]

Originally posted by: Oyeve
I know that, but when I press the info button on the TV says 1920x1080 @60hz. If the TV is not capable of that res then why would it display that? Unless its just interlaced. But if I change the 360 to 1080i the info displays the "i" when I press the info button on the tv.

Because it's not displaying the resolution the TV is displaying at. It's displaying the resolution of the source material. As you just noted, if you pushed in 1080i source material, it shows 1080i. Your LCD cannot physically show 1080i, so, clearly, it's just the showing the source resolution. The actual output resolution is _always_ 720p, and there is no need to show that.

Sorry to crush your dream here, but you have a 720p LCD.

 

[BD2003]

Originally posted by: erwos

Originally posted by: Oyeve
I know that, but when I press the info button on the TV says 1920x1080 @60hz. If the TV is not capable of that res then why would it display that? Unless its just interlaced. But if I change the 360 to 1080i the info displays the "i" when I press the info button on the tv.

Because it's not displaying the resolution the TV is displaying at. It's displaying the resolution of the source material. As you just noted, if you pushed in 1080i source material, it shows 1080i. Your LCD cannot physically show 1080i, so, clearly, it's just the showing the source resolution. The actual output resolution is _always_ 720p, and there is no need to show that.

Sorry to crush your dream here, but you have a 720p LCD.

And you definitely should keep it at 720p. Putting it at 1080i or 1080p means the 360 has to scale up, and then the TV has to scale it back down. That is going to add lag and degrade quality.