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Vizio 42 in. LCD TV - Page 5 Questions & Answers
Flashing screen like a strobe light
OK so take the back and the stand off the TV about 30 screws... when you look at the insides there will be 2 larger circuit boards in the middle of the TV and one small one on the top of the TV pay those three boards no mind at all.. look to the right and left there will be one on each side of the TV covered with some medal shields remove the shields extract the board look at the 2 big capacitors laying on their side inspect the top there is a factory score mark that will have black residue leaking if this is what you see, go to radio shack bring one of the capacitors in with you and get 4 new ones replace both caps side by side on each of the side panels install the boards and shields replace the back and stand turn on and enjoy... don't replace the whole panels the parts are only $1.60 each you can handle the soldering i know you can so TV fixed for a hour of your time and under $10.00.... Please leave me some feedback.. thanks.
Visio no picture or sound
some large surges can cause damage to multiple boards. What PC board did you replace? What you are describing sounds like a faulty main board
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