வேலை செய்யாத எல்இடி டிவியை சரி செய்யும் முறை | led tv not working how to slove 

When I switch on the TV, the sound comes on the TV but the display is not visible on the LED TV How to fix this problem
0:30 intro
1:00 led tv repair
2:00 led tv display not working
3:00 led tv repairing
4:00 led tv display service
5:00 tv repair in tamil
6:00 tv service tamil