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Telefunken TV black screen

Hello,

I have a Telefunken TV that's relatively new (less than 6 months old). Recently, the screen suddenly went black, and I can't see anything. Here are a few details:

  • It's a simple LED TV, Model: 43" TLF D6
  • I've left it on overnight a couple of times. Could that have caused damage?
  • I did the flashlight test (shining a light on the screen), but I couldn't see anything.
  • I've tried unplugging and plugging it back in a few times, but that didn't help. I also held the power button for more than 15 seconds three times in an attempt to factory reset it, though I'm unsure if that's the correct method.
  • Normally, the Telefunken logo appears when I turn it on, but now I can't see that anymore.
  • There's a difference between the black screen when it's off and when it's on: I can tell it's on because there's a 'light' or backlight, but the screen remains completely black with no image.

Thank you for reading, and any advice would be much appreciated!

Update (11/15/25)

It was still in warranty, so we just returned it to the seller, and they fixed it, I believe they changed part of the display, not sure which part sorry.

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عادةً ما يظهر شعار Telefunken عندما أقوم بتشغيله، ولكن الآن لا أستطيع رؤية ذلك بعد الآن.

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

@ramigg what is the exact model number for your TV? what have you checked and what have you tried? Have you checked to see if this is a backlight issue?

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@ramigg ما هو رقم طراز تلفازك بالضبط؟ ما الذي فحصته وما الذي جربته؟ هل تأكدت من وجود مشكلة في الإضاءة الخلفية؟

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crwdns2934057:0crwdne2934057:0

Leaving your TV on overnight may shorten the lifespan of the TV over time, but shouldn't be the cause of your current issue. Not being able to see an image with the flashlight also means that it's likely not an issue with the backlight.

Is the standby light on the TV coming on at all, and if so, is it solid or blinking?

Here is also a very useful troubleshooting guide which has some more steps you can take to continue to diagnose the issue.

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