Step-by-step television restore tutorial on a TCL 55s401 good television (Roku Model) with a backlight drawback. On this video I will present you learn how to absolutely disassemble this frequent tv with a standard backlight drawback. The symptom is that when the TV is powered on, the white standby gentle on the backside of the tv flashes as if its about to come back on, however completely no image comes up. No image flash or something. Only a completely black display screen. In most or all instances, its often only one unhealthy led on a backlight strip that causes this. So we’re going to disassemble the tv, discover the 1 unhealthy led, swap it out with a model new led, and re-assemble the TV. Thus fixing the backlight failure, and repairing the tv.