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1- Could you please get me the complete model number written on back cover of TV?2- What video devices/ sources (such as cable box DVD player etc) are connected to TV and does the problem occur on all video input sources?These info will help to troubleshoot the problem.Thank you.
Have you tried to unplug TV power cord from wall socket for 10 minutes to reset, replug back in and check?
OK, what happens with power indicator light when press power button to switch On the TV?
Also, do you get program sound from TV?
The red light in the bottom right corner is what I'm referring as power indicator light.
What does it do when press power button to switch On the TV?Does it go away or blink etc?
ah OK, so TV doesn't try to switch On. I'm afraid it seems main board internal failure and main board replacement is needed to fix the issue, sorry about this news.
Main board replacement may cost you good money from local TV repair shop and you might consider to buy new replacement TV of same size in that amount. I hope these info will help. If you have any additional questions, feel free to ask. If you're satisfied, please rate me a 5-star at the top of your page so I can get credit of my work on website.Thank you.
I'm sorry, hardware failure in TV isn't good news at all.
I wish there was an easy/ quick fix available for this trouble in TV.
Red light turns On when main power supply switch On and main board has lots more other things to do such as video and audio signal processing, controls the backlight system inside screen, send video data to screen etc.