Sony — Sony w70c TV is not working

Address:

560098

Hi Team, I bought Sony w70c series 2015 model 7months back.
From past 5months we are facing issue, suddenly some red light is blinking. Tv is going some mode entire screen will go blank.
I don't know how to resolve this problem.

Please send Sony service engineer guy to resolve the issue. Attached is the bill details.
Kindly contact me.
Thank
Nagesh