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Repair guides and support for Panasonic's Viera line of televisions.

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Panasonic TV TX-48CX400E the screen goes off and I still have sound.

Hi guys.

I have the same problem. My Panasonic TV TX-48CX400E was working fine until last month. After that, i am watching TV, and suddenly, the screen goes off and i still have sound. I turn it off with the remote, TV goes totally off, and turn it on again, and goes in a loop. After 10-15 minutes screen goes off again and still have sound. I already total reset the TV, already change all the parameters of time, eco-mode On and Off, picture details, etc, and the only thing that helped was disconnect the TV from power socket. After disconnect tv from socket, the time that TV hold up working changed. Sometimes to less time working, other times to increase the time that still hold working. But always having this problem. Could you help me out?

Thank you very much.

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Can you take the back off the TV and upload pictures of the circuit boards? Adding images to an existing question


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@peixearanha when it does this "screen goes off and i still have sound" and in a darkened room, shine a flashlight beam at an angle. See if you make out silhouettes etc. with that. Your issues sound like they are related to the backlight. Like it was commented on before, remove the back cover and post some good pictures of what your boards look like etc. Adding images to an existing question

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Peixe será eternamente grato(a).
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