TCL TVs use LED backlight, smart Android software, and integrated power boards, so issues like no picture, dim display, sudden shutdown, or boot stuck on logo are usually caused by backlight strip failure, power board damage, or software crash. Our TCL TV Service Center in Chennai helps customers understand the exact fault, gives clear repair steps, and provides fast home service. Tec... https://www.customercareinchennai.com/tcl/tv