Re: e701i-a3 no picture but backlights



i have one of the 70 inch models and removed the right side drivers, replaced the tcon board and had the same blockiness/pixelation that you are having...dark scenes look terrible and maybe some colors or shadows look off. i replaced my tcon board again with a new one and problem solved. before i replaced that tcon i did clean the ribbon cables going from main board to tcon (LVDS cables) still had the same issue. then replaced the tcon board and problem went away. picture looks perfect. but yes as someone else said clean the...

Re: e701i-a3 no picture but backlights

i have one of the 70 inch models and removed the right side drivers, replaced the tcon board and had the same blockiness/pixelation that you are having...dark scenes look terrible and maybe some colors or shadows look off. i replaced my tcon board again with a new one and problem solved. before i replaced that tcon i did clean the ribbon cables going from main board to tcon (LVDS cables) still had the same issue. then replaced the tcon board and problem went away. picture looks perfect. but yes as someone else said clean the LVDS ribbon cables...