Hi,I will try to help you with this question.
What is the tv model#(found on the label on the back cover) please?
Is there any blinking LED in the front of the tv(the stand by LED)?
If YES,how many times is this LED blinking before a short pause,then repeats all over again/
where is my answer
Have you seen my posts?
In order for me to better assist you I would need more information about this tv set.