SOURCE: Sharp aquos lcd screen goes blank
The problem is most likely the the screws are loose on the inverter boards. The screws must be tighted as they provide the ground to the inverter bds. The inverter boards are undet the shields on both sides of the unit after pulling the back cover. One way to make sure that you are losing back lights and not video is when your picture goes black, shine a flash light on the screen at an angle and will see the video is still there. This mean the back lights are out. If you do not see the video it may be another problem
SOURCE: SOUND BUT NO PICTURE
You almost certainly are between a rock and a hard place. If you have to come here to ask this question (and no offense is intended or implied), you probably won't be able to do anything to repair the unit yourself. What you can do is call around to some local shops and describe the problem and see what kind of repair costs you might incur having it repaired.
SOURCE: Blank Screen but sound works on samsung HPS-S5053
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SOURCE: screen goes blank but come back when TV is turned off and back on
Ur tv LCD inverter board it dead.Replaced this LCD inverter board ur tv picture will return.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter board for the replacement.It a long board in shape.
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