It seems like back light problem. If this set is LED back-lighted type, the LED blocks inside should be troubleshooted. If you wish how to check the LED backlight blocks, visit the site linked here. Pull up older posts. One among it have details about how to check it.
http://electronicshelponline.blogspot.com/
SOURCE: LCD tv shows picture on only half of the screen,other half dark
usually the result of a bad connection inside the unit. Best to have a certified tech look into it. Julio [email protected]
SOURCE: Panasonic TH-42PX60U PLasma - 1/2 screen blacked out
If the screen split is exactly 50/50 top/bottom You are not getting SU or Scan Upper drive.
These are lovely set to work on.
Most likely is SU board itself - Not repairable just to be replaced.
Sorry I work in the UK so I can only guide that the UK part is around £30
SU may have been damaged by failure if the PDP (Plasma Display Panel) but is 9 years only had 2 screens damage the SU board.
There are several setups to do after fitting a PDP. If you don't have the service data - Do not risk it, Reduced life of the Panel and a safety risk.
SOURCE: Samsung LCD television screen fault
My new TV LCD Samsung LC32C530 Series 5 has one half darker and with less contrast than the other.This is noticeable now always. There is a distinct and clear division down exactly half the display which separates the dark and light sides.. Any ideas?Thank you.
SOURCE: 42" LCD tv shows picture on only half of the screen,other half dark!
The T-Con board (otherwise known as LVDS) connects to two seperste parts of the LCD panel. If you do have half a picture (left or right) replacing the T-Con board should resolve this issue. Open your TV, find the part number and search on eBay or at sites like www.flattvparts.co.uk where you can search by TV model number.
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