Question about LG Televison & Video

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I have a 60 inch lg led tv (60LB7100-UT) that powers on. Lg logo shows on the screen. Shows picture for a couple seconds then goes black. Sound still works. Flashlight test shows image still on the screen. With cover off, there is a green light on the power supply board that blinks 9 times and then repeats. What do you recommend to test first?

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  • LG Master
  • 10,371 Answers

Check input or source if ok bad power board

Posted on Oct 22, 2019

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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rustym62

Rusty Morales

  • 201 Answers

SOURCE: I have a similar problem with the Sony 60

I believe 4 blinks is fan error. You can take back off and watch fans in particular the fan for the lamp (this one goes out the most) The TV has a sensor so it knows if the fan turns.You can take a pencil and use it to spin fan sometimes that will jump start it (not a permanent fix just a test). You can try cleaning dust off fan and replugging the connector on the wires coming from fan.Might fix it if not fan will need replacement.

Posted on Apr 28, 2009

ineedabin50249

Joe Stanch

  • 755 Answers

SOURCE: I have a LG 42LE5300 Led tv when I turn the tv on

if you are getting the logo and snow , I think you are on the wrong channel for programming

Posted on Dec 02, 2014

gopakumarg43

The Knight

  • 76171 Answers

SOURCE: lg led tv backlight

Fault with its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Posted on Feb 05, 2015

mosekha

Moses Isaosi

  • 23 Answers

SOURCE: I have a LG 47LN5750 that powers on, flashes a good picture for about 1/2 second, then goes dark. Still have sound & can see a picture with a flashlight shining on the screen.

Your Tv has Led strip that is faulty you just have to check if they are receiving dc voltage if yes then change the Led strip if no check the voltage supplying the Led

Posted on Jul 17, 2016

SOURCE: Toshiba 42 inch LCD with no picture but sound. Flashlight test shows image on screen. No backlight visible with power. Inverter board?

In most of the case, the LED back lights strip is out.

Posted on Aug 29, 2017

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