Question about Sony BRAVIA KDL-52W3000 52 in. LCD Television
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Posted on Jan 02, 2017
Most likely this is caused by a defective main board. Changing the main board will fix the issue about 95% of the time.
To be absolutely sure, the voltages need to be checked on the power supply. If they are not the values listed in the service manual, then you should replace the power supply instead (accounts for the other 5% of the time).
Posted on Oct 07, 2009
That symptom may cause by the main board or t-con board, I suggest you do software up grade first.
Posted on May 07, 2010
This is likely a problem with your TCON circuit board inside the back of the tv.
The TCon board usually has 2 very thin ribbon like cables running from connectors on the board to the actual LCD screen panel. Each ribbon controls one half of the screen. If you are lucky, it's possible one of the ribbons came loose or is not making proper electrical contact with the connector on the TCON board.
If your tv is out of warranty and you are comfortable working safely with electronics then you may be able to repair this yourself with a few hours of screwdriver work. The ribbons may just need to be reseated in the little flip up connectors, or you may have to clean the copper at the tips of the ribbons gently with a pencil eraser to remove any oxidation.
If you are unlucky enough to have a bad TCON board or are not comfortable disassembling your tv yourself then you can bring it in to the shop and they can probably repair it for less than $150.
Posted on Jan 20, 2011
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