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My LG tv (Model number: 32LS3410-UB) has sound, but no picture. When I do the flashlight test I can see a very dark image on the screen. Will replacing the LED driver fix this problem?

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If you already tested with the flashlight which is the first step in the blank screen with sound fault then you have to test the LED Backlight supply voltages if you are familiar and good in the electronic repair. First you have to check if bulging capacitors for the LED Backlight drive voltage circuit, replace them. If capacitors are good then you have check the backlight LEDs. The flashlight test proves that the power supply is good and TV is working fine because the sound is ok and picture is fine. Attached videos and links may help you for the repair and replacement of backlight LED strips or LEDs itself depending on the type of LED strips used in your model.
https://www.youtube.com/watch?v=Z1DEkSguWtg
https://www.youtube.com/watch?v=YgaL6X6eSaU
https://www.youtube.com/watch?v=EZVQKEp6jxk
https://www.youtube.com/watch?v=T2FboV-1PJg
https://www.youtube.com/watch?v=2pyuXwNkBMA


Posted on May 10, 2017

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Posted on Jan 02, 2017

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I have a 60 Inch LG Plasma TV Model Number 60PV400-UB I have sound, Remote chances channels and can tell volume is still working but have no picture.. Just Black Screen


The most likely case is that the 'backlight' has failed.
If you turn-off all the lights at night, you can generally see the feint picture generated by the screen. If you can see the picture it means the backlight has failed. You might be able to get the backlight replaced.
If you can't see the feint images, either the hardware to generate the images has failed or the LCD screen itself has failed.
Unless it's under some kind of warranty you'd need to get a repair quote for it. But if the LCD screen itself has failed, it'll essentially be uneconomic to repair.
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Since not a brand or model number listed : If its a LCD set get a flashlight and make the room very dark with the set on. Shine the light on the screen at an angle to see if you see a faint image of the picture on the screen.

for more help--model and brand are needed.

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