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LG LHB625 B PROTECTION - LG Televison & Video

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Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Posted on May 14, 2017

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Posted on Jan 02, 2017

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Hi,how can i reset my LG 7.2 home theatre system? The unit keeps displaying (M-PROTECTION) please help me.


Protection can't be "reset". The condition that caused it has to be corrected. Protection is enabled if the audio output is driven too hard or speakers with the wrong impedance (or shorted) are connected. Failure of related components can cause protection to be enabled.

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Recommend LG website, owner's manual.
something about sensor protection.

http://www.lg.com/us/support-product/lg-LP0813WNR#

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Unhook all the connections to it one at a time and test it after each item is removed. So unhook LF Speaker and try it , then the RF speaker, see if you can locate the one that is causing this. If you get everything unhooked and it still says protection, there is a part failure inside the amp.

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If you've disconnected the speakers and the fault is still showing then the fault is internal with the Amplifier and it's shutting down to protect itself from further damage.

Your only solution is to remove the cover and have a look at repairing it yourself or take it to a repair shop.

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1 Answer

Does lg play .vob files (ripped) dvd's?


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Most of all, it will not break the video into pieces, it will join all DVD titles and chapters and make them as one standalone video file.

You can download it here:
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I already tried googling that and nothing shows up. if there's such code, LG knows it.

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If it does this on all channels then the video on your AV out from the TV is bad.

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