No image The TV has worked fine since purchase 7 months ago. Turned it on yesterday, and blue indicator light came on put screen was black. Was not able to shut off the unit/blue light. Tried every switch and finally had to pull the plug. Tried again and same problem and still cannot shut off with remote or manually, and still no picture. The cable signal to the unit was checked and verified by connecting another TV to the cable.
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thought the back look to see if the back is lit up on the screen (little holes) or shine a light at an angle on the screen if the backlight is on then its the t-con board gone, if the light is not on but you can see something on the screen with your own light at an angle the leds are not lighting up and this can be the power board or the leds them self have failed
Contrary to popular belief, any display product can have "Image Retention" and even "Burn-In". This is true for Plasma, LCD, LCOS, DLP, and CRT. I do not see a model number provided, but I would bet that you have an LCD rear projection TV rather than a DLP projection TV. If this is the case, the Blueish and Greenish blotches you are seeing on the screen are the result of UV light damage. UV light will move heavily damage the Blue panel, due it's short wave length. So, bad Blue or Green (absence or Blue) is typically the the first visual indicator of a problem. Replacing the Light Engine will resolve the problem.