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LG 32in LCD when powered on the screen shows nothing and when we look from top the LCD panel is flashing black and white lights inside . There is sound comming.. checked the motherboard it is proper p

Lg lcd 32in

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Back-light inverter board problem. Contact any service technician, or authorized service center for LG. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Posted on Mar 20, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: LG LCD TV 32LC4R BLACK SCREEN

same here How do you change the Power regulator?

Posted on Jan 28, 2008

gtaplytmpt
  • 90 Answers

SOURCE: LG Flat Screen TV has no picture, but sound

The times my TV at home has done this it is because I'm tuned to an HD source and my TV doesn't have HD. Or vice-versa, I tune to a regular channel and I have the TV set to HD.

If you have NO picture, like the channel number or volume bar don't appear, then this isn't the problem at all.

I would say check the Video (Yellow) cable in the back, or try setting up and playing a DVD and see what happens. maybe cycle through video modes, Digital etc.

If none of this helps, comment on the post and we can exchange more information.

Good luck!

Posted on Jan 04, 2009

  • 211 Answers

SOURCE: LG TV completely dead

Hi,

I'll think your power supply is down.
Since your tv is 15 month old, you've still got waranty left.
Just contact you supplier or LG service.

Kind regards,
Gerard

Posted on Jan 29, 2009

nostechjb
  • 28 Answers

SOURCE: LG LCD flickers and turns itself off

I'm guessing here.. most probably its the ccfl tubes..

Posted on Nov 15, 2009

  • 112 Answers

SOURCE: LG LCD TV - Buzzing Sound and Faint Horizontal Lines

From your description, the sound you are hearing is the inverter(s) that drive the back light for the LCD screen/module.
The inverters mounted on the back side (one lower right and one left side) of the LCD screen/module. They are under the sheet metal cover/shields.
The inverters are going out and or the LCD screen/module is going bad too.
That LG TV has only a 1 year on parts and labor from the date of purchase, but you could call LG and ask for their help for such a new TV. They might do it under a warranty, for little or no cost to you.
I hope this information has helped you.
Good Luck.

Posted on May 24, 2010

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