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https://www.youtube.com/watch?v=5jO_TZfplR0
Jan 21, 2013 - Uploaded by ShopJimmy.com
RCA TV Repair Westinghouse TV Repair T Con Board Tutorial & No Picture ... Top Common LCD TV problems for bad TimingControl T-Con Boards: .... VR-3215 with no picture no sound but the power LED is solid green, any ...
Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Look, take out back cover and on the bottom left and right side you will see screw (2 or 4), take out it,Disconnect 2 plugs wire from chasis, pull out the box and you will have space for clean your screen.( You will take out all box with main chasis, convergence chasis )
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