Question about Toshiba Televison & Video

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Toshiba TV, Model - 49L621U has no picture but only has sound. I am able to see the image in black screen when flash light is switched on against the tv screen.Does this model have backlight inverter

Toshiba TV, Model - 49L621U

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  • D Dednam
    D Dednam Jan 14, 2019

    I have a Toshiba, model #49L621U. While watching movie using firestick, screen went black but had sound. Turned it off, back on, unplugged everything to reset. Tried it all. When I turn on TV I have a black screen, no sound but when I turn off TV words Toshiba come up but screen goes black.

  • Jessica Jun 13, 2019

    Did you ever find a solution? I am currently having this exact issue

  • Ryan Rieker Jul 12, 2019

    I have the exact same issue as listed above. The screen is black but when the TV turns off the Toshiba logo comes on the screen for a quick moment. Have you found a solution to the problem?

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  • 25 Answers

Hi
I think the problem is in the leds light of the screen they could be shorted.

Posted on Dec 26, 2018

Testimonial: "oh ok. Thanks Shimon."

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
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Good luck!

Posted on Jan 02, 2017

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Jaime Hernandez

  • 2337 Answers

SOURCE: Insignia NS-32LCD Backlight or Inverter bad???

If you've done the flash light test, it could be the inverter board became defective but it could also be that the power supply does not provide the +24VDC to the back light inverter board.
If you could do the +24VDC test using a voltmeter then we can say for sure that the back light inverter board is defective.
Let me know if you need further assistance.

Posted on Aug 21, 2008

Anonymous

  • 7 Answers

SOURCE: TOSHIBA TV NO SOUND NO PICTURE, POWER LIGHT IS ON

the lamp in the projector might have went. try replaceing it. to do so try

ADTECH SYSTEMS they may help

there in mass.
call David Crepeau at 978 261 1087 tell him Ryan Bolduk sent you
depending where you live. They maybe able to send someone out from there sub company

Posted on Sep 18, 2008

Anonymous

  • 66 Answers

SOURCE: Westinghouse LCD tv LTV-32W4 has great sound but no picture.

Your television actually has a backlight bulb which can be replaced at our parts request email and phone number. Email address: Parts@wde.com. (866) 839-5888

Posted on Jul 29, 2009

Anonymous

  • 556 Answers

SOURCE: Mitsubishi tv model # wd-52527, lamp light flashing,no picture.

I would say so.

Posted on Aug 18, 2009

Jim Krause

  • 1779 Answers

SOURCE: 47inch toshiba lcd tv (HL167) black picture, but

Best to replace both at the same time . Yes they are easy if you can find the parts.

Posted on Dec 15, 2009

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Toshiba TV, sound works but no picture I have a Toshiba 49L621U. It was made in September 2016. When I turn it on, I see “ Toshiba” in big bright red letters (normal startup image) than the TV goes black....


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