SEEMS LIKE THE RIBBON CABLE FROM YOUR TCON BOARD THAT SUPPLYS POWER TO THE HALF OF YOUR SCREEN IS FAULTY.IF YOU ARE TECHNICALLY MINDED THEY ARE USUALY GLUED TO THE SCREEN,MAYBE TRY PRESSING DOWN ON THE RIBBON THAT RUNS TO THE SIDE OF THE TV THAT YOUR HAVING PROBLEM WITH.THE TCON BOARD WILL BE AT THE TOP OF THE TV USUALY UNDER A METAL SHEILD.
SOURCE: I have sound and backlight, but no display.
the t-con board need replacement( it is found on the top middle section of the lcd panel)
SOURCE: Blank screen, cannot get menu to display, but sound works
Does the lcd screen have a glow to it ? Or is it really dim if u get real close to screen u can see images moving ?
it it has a glow to it you panel lighting is fine but you control board is bad. If you have a dark screen and see faint images you panel back lighting is out u can check the power with a meter at the connection to inverter board on panel.
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