Question about Sony BRAVIA KDL-52W3000 52 in. LCD Television

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I have a Sony Bravia KDL 52W 3000 that has a flickering double image for about 10 minutes then the screen goes black for about two minutes then the screen is good to watch after the warm up problems.

I have the numbers of each circuit board but I don't know which ones are for the backlight inverter or the t-con board or which ones are causing the problems.

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Fault in the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Posted on Apr 20, 2015

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