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Sound but no picture?

From what I am reading it is the power board that is bad. Can someone confirm this for me and it is something I can do myself?

This TV is only 2 years old.

Any help is appreciated.

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any error codes blinking on your LED's?

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I would think that this could be caused by a bad power supply or/and by bad y sustainer and z sustainer boards. Check the fuses on the y/b will give you a good idea where to start. If they are bad then you'll have a easy fix, if not, i would try replacing the y board first. Also check on your LED's and see if you get an error code. The service manual is available right here Good Luck and I hope that this will help you out.

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thanks old turkey :)

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