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Philips Lcd Tv won’t turn on (stuck rebooting)

Hello, so when I plug my lcd tv it just turns on the red led, flashes the backlight for half a second and then reboots. If I don’t unplug it it keeps going and going. Is there a way I can fix it?

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@tomst what is the complete model number for your tv?

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@oldturkey03 it’s 26PF5321/77

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@tomst what I get out of this is that your TV never completes the booting up and goes into a boot loop. That sounds like an issue with the main board or the firmware. https://philips-tvconsumercare.kxondeman... Start by removing every input from your set and unplug it. Then hold the power button down for a minute or two. Plug the set back in and connect one input source. See if that made a difference. If not remove the back of your TV and check the boards and the interconnect cables. Post some images of what you see with your question. iFixitでの質問に画像を追加する方法

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@oldturkey03 i tried what you said and it is still the same. I uploaded a picture of the inside. There is nothing wrong I can see about it but maybe you see something I don’t.

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@tomst can you check the Philips website to see if there is a firmware update for your TV? They do have the instruction on how to update. Just to make sure that this is not a firmware situation.

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@oldturkey03 i don’t think I can update the firmware since it is an old model, it doesn’t even have usb. It always worked fine until like 5 years ago.

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Okay let me look at the schematic and see which way we are going to approach this. Do you have a multimeter?

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Thank you so much for your help. Yes I have a multimeter.

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Tom さん、ありがとうございました!
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