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https://www.youtube.com/watch?v=RbZncfiOXQA
Jul 13, 2011 - Uploaded by FixItUrselfDummy
Fix your tv with black screen blinking light, popping sound noise. ... Watch QueueQueue ... TV Black Screen - Repair LCD LED PLASMA - Problems SONY LG .... I have a 60 inch samsung DPL tv how can I stop the humming or ... What do I do if my tvturns on but its just a black screen so sound no picture?.
Sounds like its main baord [digital processor side] circuit has damaged. In most cases, the board might have to be replaced, as there is no repair possible to this board. To get some details, http://electronicshelponline.blogspot.com/ Pull up older posts.
HAVE A TECH LOOK ON YOUR TV FOR REPAIRS POSSIBLE THAT SOME COMPONENT IN THE POWER SUPPLY IS DAMAGED.GOOD LUCK.IF YOU ARE NOT A TECH YOU CANT DO IT YOUR SELF..
hello my friend you have some loose connections on the digital board.this board is located right in the top center of the tv.if you do not have repair skills call the repairman he should not charge you too much for this job.
good luck
Most likely what happened is one of the capacitors went bad. When a capacitors goes bad it produces a popping sound. This could be an easy and cheap fix if you find the bad capacitor or capacitors. The bad capacitor will have a bulging top most likely on the power board but could be anywhere.
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