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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.
CHECK VALUE OF RESISTORS IN CRT BOARD,,,,AND THE 3 TRANSISTORS COLOR DRIVERS ....THATS AUTO SHUT DOWN FOR OVER VOLTAGE....DO YOU SEE RETRACE LINES BEFORE SHUTDOWN?IF YES TRY TO LOWER DOWN SCREEN FIRST ON THE FLYBACK TO SEE IF ITS GOING TO SHUTDOWN.....
Turn down your color and see if the screen has a normal black & white screen. If it doesn't then the CRT is bad (picture tube). If it is black & White then you have a either lost your red or blue.That problem will be in your video driver circuit of which a service center can handle.
did you check the voltage output of three transistors going to the crt pin of picture tube? it should be somewhere in 150V to 160V, they should have the same voltage. Try resolder all transistor and its component or repace the transistor from the green section of crt board