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This TV is a plasma not LED. There are no back lights but thanks for trying to help.This TV is a plasma not LED. There are no back lights but thanks for trying to help.
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When it get hit with any surge usually the main Board is gone, to replace it and hope nothing else is wrong, you can get a 4k LED for probably same price
Fault to the main power supply regulator section. Either it will be on a separate board, or on the part of its main 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.
Yes the caps on theower supply, but you can check power supply board by smell an look for burnt parts it is common. May need more than one board if they are cheap get both.
IF YOU WERE FACING THE TV FOR UPPER RIGHT YOU MAY A PROBLEM WITH YOUR UPPER Y BUFFER BOARD OR Y BOARD IF YOUR Y BOARD NIS DEFECT YOU MUST ALSO REPLACE YOUR TWO BUFFER BOARDS .
This TV is a plasma not LED. There are no back lights but thanks for trying to help.
The YC board controls the picture. May want to examine it for failed parts.
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