Most likely there is a picture, but you can't see it because the backlight circuit may have failed. Take a flashlight and shine it on the screen at different angles while closely observing the screen. If you can see a faint image operating there, then the backlight circuit has failed. It is either the inverter or the lamp. If the TV is more than 5 years old that is the most likely issue. Today's sets aren't as durable as the old CRT ones that lasted 15 years. 5-7 years without repair/replacement is the new norm. Until and unless manufacturers step up quality and durability, this won't change. Many folks on this site try to repair their machines by buying replacement boards and swapping them out in what we refer to as "easter-egging" to solve the problems. This usually results in either a failed repair or more problems since these devices are sensitive and easily broken. If the set is more than 5 years old, you are best served with getting a new one. And. remembering that the new one won't last much longer than that, don't overpay for the new one you buy.
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