I have an LCD TV Sharp 32" 720 pp and the LCD Panel is apparently damaged. Is it possible to have it changed and do you happen to know if the price is worth the change vice buying a new set?
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Bad TCON board or Damaged screen. You can try and replace the TCON "Timing Control Board" and see if that helps. Replacing the Screen itself is very expensive and normally about half of what the unit cost new. Here is a video to give you a clue on how to do so, it is pretty easy when you know which board to replace.
I have the same problem with my TV. Apparently it is a problem with the backlight inverter board. The only thing that has consistently worked for me is to switch the OPC setting to on (display). Get a small piece of electrical tape and when you turn the tv on wait for the OPC 'leaves' bar to load a bit and then cover the OPC light sensor at the front of the tv. (it is the one right beside the power light). Hope this works as well for you as it did for me. Good luck
If the actual LCD panel is cracked, you don't want to even bother looking for a replacement. It would be either the same cost or more expensive to replace the LCD panel than to buy a brand new one. The other issue is if you are going to attempt to do it yourself, there is a chance that you might inadvertently damage something in the process so you would be out the money you spent on the LCD panel and you would still need to buy a new one. These are called consumer models for a reason. Mass production drops the price of the unit, but replacement parts outside of that mass production sometimes are as expensive if not more expensive than a brand new whole unit and are a lot of time VERY hard to find. LCD's are disposable once the actual panel is damaged.
You Can Not Change. The TV Recognize the signal on the INPUT.
If the signal is 480i than the tv shows 480i
If the signal is 1080p than the tv shows 1080p (if supported)
If you try with your areal antenna (for now digital broadcast is maximum 1080i (in USA) The TV itself doesnt "upconvert" lower resolution signals.