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How do you fix a sony kdl 52xbr9 that has a black screen but the green led is on?

I've replaced the power board and the problem remains. I've taken the back off, turned the tv on and noticed that when the room lights are out that I don't see any backlight. I'm thinking backlight inverter board what do you think?

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Why does it have six red blinking lights?


Hi Tim
In my opinion
No... the LED's are doing their job
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Does it need a Firmware upgrade?

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No picture


No SDA SCL communication. Check all the low voltages to the system control board. If you wish to know more, check this site. http://electronicshelponline.blogspot.com/
Pull up previous posts by its left sidebar, or type in the brand name and model number to of your set, to its search box, and press 'Enter' or view it in Mosaic / Timeslide option.

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Will a bu board for an 52xbr9 with a LTY520HH02 panel fit on an 52xbr9 with a LTY520HQ01 panel?


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For more details about this type of fault, visit the site "Electro-help". Type in the site name, either to Google or Yahoo search box, and click serch. Click open the site with same mane, with a hypen in between words. It is an electronic equipments' repair help site.

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We have a Sony Bravia KDL 52 xbr9 tv. It is about 1 1/2 years old. We bought it Nov 29, 2009. For the last few weeks when we turn the TV on, the picture is distorted and dark (there are horizontal...


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This is either your LCD backlight, inverter/power board or both. Neither of which are serviceable by the consumer, unless a visual inspection of the power board shows swollen or ruptured capacitors. This you can do yourself and is the most likely problem. Just read the side of the capacitor and go to radio shack, or online to find the right replacement capacitor. When re soldering be sure your negative and positive leads are in the correct holes.

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Hello

on your set there is inverter board that is what lights up th backlight on your TV making everything visible that board has went bad.

Thankyou

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