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First thing to do is unhook the connector going from the main to power board, plug the set in and see if you get backlights, if you don't replace all the LED strips
it is a bad high voltage board they are only a few pounds on ebay 10 or 15 pounds make sure tv is plug out of socket when you replace board pink and green wires 400v
Hi:
This is due to low voltage getting to the Inverter board or the Inverter board on the bad side is not lighting the lamps. Usually bad capacitors or the power supply and the inverter will cause this symptom. You may want to replace both inverters boards on this model, new models have one inverter board for both sides of the backlight.
The tv have 2 long boards call the LCD inverter boards.These 2 long LCD inverter boards are dead.These 2 long LCD inverter boards help the LCD screen panel to have a backlight to produced a picture.Tries websites like Shopjimmy.com,Ebay.com to buy these refurbihes 2 long LCD inverter boards for the replacement.
Yes,Ur LCD inverter backlight board is dead.Replaced this LCD inverter backlight board,will get ur picture back.Tries these Websites Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter backlight board for the replacement.The board is long in shape.
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