House struck by lightning and now tv is turning off and on, makes no sound and does not display anything, just show a faint black screen. I tried the flashlight test and there is nothing being displayed.
Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electro-medical.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here
Testimonial: "Thank you I will do this tonight and try replacing the main digital board. I will let you know how it goes."
Your tv got toasted by the lightning strike. First order of business is to check out the power supply since it is the first part of the set that got hit with the surge and subject to being burned out.
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