Question about LG 42LN5100 42 inch LED Multisystem TV 110-220 volts

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LG 42LN5100 42 inch LED sound goes off - LG 42LN5100 42 inch LED Multisystem TV 110-220 volts

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There may be intermittent failure of the internal power supply

Posted on Oct 14, 2013

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Posted on Jan 02, 2017

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My LG 55 inch smart tv has no picture. I can see the picture with a flashlight. And the voltage seems good on the LED. What might be the problem?


hi check the led driver board for dry joints, what is the voltage you tested, my guess is the led in the panel has shorted out, thanks

shaun

Mar 18, 2017 | LG Televison & Video

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My tv image goes off while watching tv,I do have audio but no image.


LG 42LS5700 - LG.com

www.lg.com > Home > Support > Product Support

LG ElectronicsTV/Audio/Video; TVs; 42LS5700 ... TV Support Landing Page - HDTV/Netcast/webOS 1.0/webOS 2.0 ... Adjusting Picture Settings - webOS 2.0 Video ... quality and convenience of complimentary shipping when buying directly from LG.com. ... Curved TVs · 22 Inch to 29 Inch Class TVs · 32 Inch to 39 Inch Class TVs · 40 Inch ...

Amazon.com: Customer Reviews: LG 42LS5700 42-Inch ...

www.amazon.com/LG-42LS5700-42-Inch.../B006ZH...

Amazon.com, Inc.LG 42LS5700 42-Inch 1080p 120Hz LED-LCD HDTV with Smart TV (2012 Model). byLG. Size: 42-Inch ..... images are nice and crisp when viewing HD content.

Widescreen TV Black Screen - Repair LCD LED PLASMA ...

? 3:41
https://www.youtube.com/watch?v=RbZncfiOXQA
Jul 13, 2011 - Uploaded by FixItUrselfDummy
Fix your tv with black screen blinking light, popping sound noise. ... Watch QueueQueue ... TV Black Screen - Repair LCD LED PLASMA - Problems SONY LG .... I have a 60 inch samsung DPL tv how can I stop the humming or ... What do I do if my tvturns on but its just a black screen so sound no picture?.

Jan 11, 2016 | LG 42LS5700 42 Inch 1080p 120Hz Smart TV...

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Turn tv on picture for a secondthen goes black but still sound model number is 55LS4500


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

Oct 15, 2015 | LG 55LS4500 55 Inch 1080p LED LCD HDTV -...

1 Answer

Turn on picture for 2 seconds then goes black but still sound


Typical case of timing control board blew (T-Con), due to electrical shock on DC-DC converter, you might need to ask for a replacement, Good Luck!

Oct 15, 2015 | LG 55LS4500 55 Inch 1080p LED LCD HDTV -...

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Red light blinks 3 times then power goes out


That is most likely a bad diode in the power supply. It will require repair but it should be reasonable. There are youtube videos showing the repair if you are handy.

Im not 100% that this is the cause, but it seems like it

Sep 02, 2015 | LG 47LS4500 47 Inch 1080p LED LCD HDTV -...

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HOW DO YOU HARD RESET THIS TV. IT WILL COME ON BUT THE VOLUME GOES UP TO 100 AND U CANT DO ANYTHING BECAUSE ITS GOING NUTS. IT CLICKS EVERYTHING AT ONE TIME AND WONT LET U CLICK ANYTHING


That sounds like an electrical fault to me, especially when the volume goes up without touching the volume control. Take it to your TV repair place.

Apr 23, 2015 | LG 55lw5300 55-inch 1080p 120 Hz Cinema 3d...

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