smart tv backlight problem // MI 50-inch 4k tv backlight kaise change kare  

Hi friends,
In this video I try to explain MI 55 inch 4k TV display not visible problem and I given solution with replace backlights of this TV.I hope enjoy this video and some task solve in first attempt. Happiness is come when you are solve any problem in first attempt.
Friends,
if you want to LED lights and material of LED parts. Please visit on www.viksum.com .