SOURCE: I have a samsung 60 inch led tv has great audio but to video screen is just dark.
This could be the inverter, the back light or the main board.
SOURCE: I have 40 inch Samsung led tv. The power light
These blinks are error codes. From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
SOURCE: lg led tv backlight
Fault with its main 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://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
SOURCE: RCA LED HDTV SCREEN went black while watching tv. Still has sound.
please see your other post for response
have a look round this site.very good guides.hope it helps...
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