If the screen is cracked then it's expensive to replace the screen. You may do better to get a new TV. There are many places on the internet to get replacement screens. If you want to go that route then go to Sharp's website and download the service manual for your model TV. You'll have to disassemble the entire tv to get to the screen.
SOURCE: Problem with my Aquos lc32d40u
Your inverter/lamps are bad. Those are only available with the LCD panel as an Assembly, and that is worth more than the TV.
SOURCE: My Sharp LC32D40U went black yesterday, I can
I have the same model 3yrs old. Your problem is a loose contact on a circuit board. Unplug the tv and remove the back cover. Remove the circuit board on the opposite side of the input plug. Clean the mating surface of the circuit board and the mount, reinstall the circuit board and tighten the screws. This is where the lost contact is occuring. Reinstall the back cover. Thats it. good luck and happy watching.
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