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Hello and sorry you're having problems, If there's no signs of life at all on the set- then you're looking at a bad power board. Let me take a look and see if this model has a fuse- will be right back.
There's two white ceramic fuses soldered into place on the power board- near the lower right corner. These cant be checked without a multi-meter (they appear the same whether good or bad), and require soldering in order to replace them. There's about a 30/70 chance that it's the fuse however- in most cases the board itself has failed in a different manner (and would require testing to confirm that).
Alternatively the power supply board for your set can be purchased at the link below:
If you need further assistance let me know. Please do not forget to click the 5 STAR RATING, at the top of the page for my efforts. It is my livelihood and you can follow up at any time if needed.
Do you need any further assistance with this?If not, could you please click the 5 STAR RATING, at the top of the page for my efforts? It is my livelihood and you can follow up at any time if needed.