The problem most likely is with either the lamp ballast or the light engine. The lamp ballast is the part that provides voltage to the lamp unit and is usually not all that expensive a part. The repair cost from a service shop can be about $300 or more. If you are handy, you can replace it yourself. Check out www.thepartstore.com for the ballast.
TV turning on but not operating through the remote control - batteries changed - but nothing...
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TV turning on but not operating through the remote control - batteries changed - but nothing happening. The indicator light is on the front of the TV but can't get anything else to work