Question about LG 47LE5400 47-Inch 1080p 120Hz LED LCD HDTV

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No backlight no sound no picture lg 47le5400

Replaced power board no luck

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vinceisaac
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SOURCE: no backlight no sound no picture lg 47le5400

it needs proper trouble shooting, just let me know if you will be the one to do the job.so i can give you other step to trouble shot the tv since it needs proper tools and device then make sure you have the knowledge in electronic repair.

Posted on Oct 26, 2012

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1 Answer

How to fix an lg 47LE5400 tv power lights come on but no picture


If it's a led tv and if you have sound and, also, if you can see the picture with a flashlight very near on the screen in the dark, that means your backlight or your inverter circuit that control the backlight are defect. Good luck,


Serge.

May 06, 2016 | LG Televison & Video

1 Answer

I have an LG 50 l e n 5100 TV I have sound but no picture I have already replaced the power source board thinking it was the inverter but no change what now


Hi Hugh,
When sound is there and picture is missing, it is mostly the backlights are not working. For this you have to replace the inverter board which makes necessary voltage for the backlights. If you are handy with basic electronic servicing, a voltage check on the boards is always helpful. Good Luck.

May 26, 2015 | LG Televison & Video

1 Answer

No picture but have sound.


Hi Celeste,
I appreciate your efforts so far.You have sound but no picture. Can you see the backlights? Or is there the on screen LG logo? If the logo is not there it means the backlights in your TV are not working. Mostly it is the inverter board which makes necessary power for the back lights goes bad. Good LUCK.

May 26, 2015 | LG Televison & Video

1 Answer

Lg 47le5400 tv has no picture or sound


Contact any service technician. To get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.
25402078-2xmtrvvcpf0td3c35znebqyj-5-0.jpg

Feb 05, 2015 | LG 47LE5400 47 in. TV

1 Answer

My LG 47le5400 makes a long beeping sound on startup then the LG logo on the bottom lights up and the power button stays lit but no picture or sound. Is this a power board or main board issue?


It is a main board issue. Damaged IC. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magzine" will make surf easy Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/

Apr 18, 2014 | LG Televison & Video

1 Answer

No backlight no sound no picture lg 47le5400


it needs proper trouble shooting, just let me know if you will be the one to do the job.so i can give you other step to trouble shot the tv since it needs proper tools and device then make sure you have the knowledge in electronic repair.

Oct 25, 2012 | LG 47LE5400 47-Inch 1080p 120Hz LED LCD...

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