✅ TV goes out after a few seconds → Protection against short-circuit or overheating, unstable tension problem. ❌ TV lights up but turns off immediately → can also be caused by the motherboard or a short circuit in the slab. ✅ TV reacts to the remote control but screen remains black and we hear the sound, no image even with the help of a lamp → Image circuit of the broken mother card ❌ No image or backlight → can also come from the power supply or backlight, often visible with the help of the even very dark flashlight ❌ Horizontal lines → often LCD slab problem, poor connection of COF tablecloths, or irreparable internal defect.
eBay