There is something wrong with your high voltage LED backlight power supply most likely, possibly a bad capacitor. See if you can identify the part number for the entire backlight assembly power supply and replace it.
Well yes, the inverter board is the high voltage power supply for the back light.
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SOURCE: My LCD TV has a
Backlight bulbs turn red when they go bad. They are hard to replace, and require soldering. They contain mercury vapor, so I would be careful not to break them. Bulbs cost about 20 each usually. Could be 2-4 bulbs to replace. It is a pretty difficult repair, good luck.
SOURCE: phillips model 25PT4475/48
fi you take the back off take a look at the board and if its got a crake sorry but its caput/means can't help ya
SOURCE: my screen from my samsung turns black no image.
Hi my name is Roety,
I can help you with your issue ,
Sounds like a loose green component wire.
check that if thats not the problem, reboot everything
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I’m happy to help further over the phone at https://www.6ya.com/expert/eric_ab7c09ec01841771
SOURCE: TV screen is black. Was working went black and now nothing.
you have a bad capacitor in the power board you will need a tech to change it the can shaped device will be puffed up on the top and the value is written on the side
SOURCE: HI, I have a 40" Samsung Flat Screen TV (Model:
This tv 100% have problems with the main logic Tuner signal board that the board where the tv board that the tv incomming broadcasting signal wire plug into it.This tv might also have problems with the T-Con board too.The tv T-Con board that the tv board sit in the middle at the bottom of the tv LCD screen panel to project tv pictures pixels dots to the tv LCD screen panel.Tries websites like Shopjimmy.com,Ebay.com buy a whole refurbish main logic Tuner signal board and or a refurbish T-Con board for the replacement too.
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Is that the inverter board you are reffering to or the power supply board? All other videos and forums ive checked with similar issue say its inverter board most of the time im trying to narrow it down to one board if it dont work might as well buy another tv.
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