LINES ACROSS TV AND PICTURE JUMPS UP AND DOWN HOW TO FIX

SOURCE: Blue horizontal and vertical lines

poor convergence

SOURCE: picture is distorted and horizontal lines have

one of the two convergance chips are failing
they cost around 20.00 to 40.00 etch

SOURCE: Lines across screen breaking picture into 4 sections

Based on reported problems with Samsung LCD tvs, It is probably one of three problems:
Separation of layers of the LCD panel;
A defective LVDS cable connection;
A defective T-Con circuit board.
If light hand pressure on the affected area on the LCD panel changes the problem, its the defective panel. If not, manipulating the LVDS cable will reveal the cable defect. If not, coolant spray applied to the T-Con circuit board should reveal if it is defective by temporarily alleviating the problem. Dont remove the back cover if you dont know how to protect yourself from electrical shock hazards. There can be more than 1000 volts in the backlight inverter area.
Jerry S

SOURCE: 46 inch Sony flat panel lcd has vertical red and

If the screen works for a short while and then completely fails once the TV warms up you have a problem with the main unit video board or the LCD control logic board. Most often if the picture cuts out but audio continues to work the logic board is over heating and should be replaced. However if the picture cuts out and audio shuts off as well then its your video input board.

SOURCE: have horizontal lines across the screen and some

Yeah we have the same exact problem here. Defective TV....ours would correct itself after 30 mins, but now it's blurry all the time. I'm never dropping 2K on a SONY tv again.