Vertical lines on LED TV screen? Learn common causes including T-Con board failure, panel damage, LVDS cable issues and motherboard signal problems.

LED TV black screen or dim picture? Learn common backlight failure symptoms, causes, flashlight test methods and repair solutions.

What is a T-Con board in LED TV? Learn its function, common symptoms of faulty T-Con boards, display issues, vertical lines and repair solutions.

LED TV showing half screen, vertical lines or partial display? Learn the common causes including T-Con board faults, LVDS cable issues, panel damage and motherboard problems.