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My LG 32lh7030 Won't start, keep's spinnin the red led around

Changing power cord, openning the set,(nothing burned inside), cleaned everything. Red led keeps spinning around and nothing happens

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  • Joao Peixoto
    Joao Peixoto Nov 27, 2014

    Update: Yesterday, after leaving the lcd unplugged from ac since saturday, I went for a final test before taking it to the LG technical support, and without doing absolutely nothing to it, I plugged the ac cord on it and it started without showing any abnormalities and its running 100%. Now the question is, "Why did it happen?" and Why did the problem solved by itself? Thanks

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  • LG Master
  • 73,647 Answers

Contact any service technician; or the authorized service centre for LG. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Posted on Nov 22, 2014

Testimonial: "thx, I'll try that asp, then I'll post here the diagnostic they found."

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Panasonic Viera TH-42PV7HS Plasma keeps shutting down

Hi to all, My 42" Panasonic plasma have the same problem. It turned itself off and now red light flashes 7 times, than after short pause 7 times again. And so on. Any ideas what is wrong??

Posted on Oct 23, 2008

freetek
  • 5568 Answers

SOURCE: tv will not power up

If it's failing to turn on, the main power supply is probably at fault and without some technical background and a couple of test instruments, you will not be able to do the repair yourself. 
What you can do though is; unplug the set, let it stand overnight or at least several hours, remove the back panel and look for a separate board with mostly larger components on it; it will have a ferrite core (no laminations as with a line-frequency part) transformer on it and several larger capacitors which are cylindrical and mounted vertically to the board.
 
Before touching anything inside, especially on that board, allow several hours to be safe since the larger capacitors can hold a painful voltage charge for some hours.  
 
If you see signs of overheating such as discoloration of the board material, it may not be repairable but if you can find a part number on the board, you might be able to buy the power supply and install it yourself but it will likely have the same problem eventually unless they have altered the design.
If there are no signs of heat damage to the board, there may be companies offering to repair it as a subassembly instead of repairing the whole set which could be much more expensive.
If you choose to replace or have it done, the power supply still may not be at fault since most are capable of switching on and off if a downstream problem is causing an overload.

Posted on Mar 30, 2009

  • 556 Answers

SOURCE: keeps turning itself off with a red light next to

have you changed the lamp in this set. If you look by the red light it probably says lamp

Posted on Aug 07, 2009

toolkits
  • 1099 Answers

SOURCE: LG 32" Plasma TV power-on problem

Hello,

Your 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 your 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.
hope this helps...

Posted on Jul 02, 2010

info33
  • 72 Answers

SOURCE: Lg 42ld450 is not turning on. It keeps flashing

The power board or power supply could be the likely cause of the problem. Have that checked out.

Posted on Jul 04, 2010

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