'''++@pierce3899++''' see if you can find a good model number. Next you need to remove the back from your TV and have a look at the power board. Post some good images of your boards and post those with your question. That way we can see what you see. [guide|21499]
This sounds like a power board issue so you need a multimeter to measure the voltages from the boad to the main board as well as the LED backlight etc. Again pictures will help us to help you