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Have lg 55lh40 stuck in standby i think get green light on main pcb and red standby light on front Any clues will help Thanks

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Just do a hard reset and check. To make it a hard reset, unplug the TV from AC mains wall socket, and re-plug it back after 20 minutes or so. This must make it a hard reset. If it do not help you, the main board to this TV has the fault, and have to be located. If you wish to get some details, check the site linked here. http://electronicshelponline.blogspot.com/ Pull up older posts.

Posted on Jan 02, 2014

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Posted on Jan 02, 2017

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SOURCE: LG LCD TV Standby Light Flashing Red Continuously

I have had this same problem twice in the past 3 months. So far both times I've been able to get it back after a week or two. I'm not sure what works, but unplugging and detaching the antenna and cable and waiting a few days seems to be the key. In both instances, I unplugged it for a few days then plugged it in for a few days and repeated the processes until I eventually got the steady red led. Both times prior to the red led the led would flash red then green and make a clickiing noise for several hours before I was able to get it working again.

Posted on Apr 22, 2008

circuitworld
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SOURCE: Tv will not turn on

The green blinks are an error code indicating a specific fault, your power supply developed an 'over-voltage' issue and needs to be serviced at your local repair shop.......

Posted on Nov 03, 2009

toolkits
  • 1099 Answers

SOURCE: sharp lc32d44ebk stuck on standby

Hello,

Ur power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get ur tv power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Good luck and hope this helpout....




Posted on Aug 03, 2010

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Lg 55lh40 stuck in standby green light on main pcb and red standby light on front is on Power button douse nothing


Sounds like a main board fault. Contact any service technician to confirm it. If you wish to get some details, check the site linked here. http://electronicshelponline.blogspot.com/ Pull up older posts.

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