[Resolved]  Koryo — tv screen blackout and main pcb gone

I bought koryo 32 inch tv from guwahati big bazaar in 11 august 2019 nd wthin 2weeks the screen display goes blank wnen i contacted customer care technician comes in 4th day and told main pcb need to change and i asked for replacement he told he cant replace the tv. Instead hr can change the pcb which required another seven days.

I want a replacement for my tv