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LG TV 43 model 43lx540s unable to turn on the tv, standby red light on but no power

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
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Posted on Jan 02, 2017

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GySgt2u

  • 63 Answers

SOURCE: tv won't turn on -no power

Power supply problem.... I can explain to you how to fix via email with detailed instruction and pics... Hope you haven't bought another as this is a 5-30 dollar fix. I have 2 50" that did this I fixed mine for 80 cents.

Marine on a mission to help ppl fix their spendy sets and not waste their time and money spending hundreds of dollars on a 2 dollar fix.......

Not only have I fixed 2. I've bought a few at rock bottom 125.-250. and fixed them for 40 sents.

Posted on Feb 12, 2009

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SOURCE: WONT TURN ON

Most likely, the problem is a defective Main Processor Board. This is the board with the antenna, RCA and HDMI plugs. You cant repair or replace component parts on this board, so dont even try. You must replace the complete board. The TV says Sylvania, but it is a bloody Funia TV. Several years ago this foreign company bought out broke-azzz Sylvania . They are still carrying the Sylvania name since Sylvania was a popular TV name in the 70s. Every electronic company in the USA is now owned by the Chinese, so call Funai and order the part from them. Dont be surprise if they dont have a clue what the heck you asking for. America and all electronics have gone to the puddles. Do you know why? GREED.

Posted on Jun 10, 2009

ronaldo_ross

Ronado Panaligan

  • 1056 Answers

SOURCE: There was a power surge and a loud pop and now the

A job for the technician on this one. I have only worked on several flat screen before, on my last days as an electronic technicians. Half of the ones I worked on was the power supply inside ir the problem was like this. Instruction on how to fix them would require me to write many pages on electronic theory so, I am very sorry It is almost impossible for me to help you on that. Be carefull where you take that tv to. some shop can't fix those. You may have to search your local area for someone who specialize in flat sreen HDTV. Well I hope I have shed a little light on the problem. Thanx for posting the problem.

Posted on Jun 29, 2009

Anonymous

  • 1077 Answers

SOURCE: The tv will not turn on with either the remote or

Hi, I own the same TV and had the same problem. It's the #1 plaguing issue with flat panel TV made by Funai corp. Emerson is made by them. Normally, when this happens, the TV goes into " Protection Mode " because of a failing circuit board.

The most common thing to go out on flat panel TVs is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board. But, I can't say it's 100% the problem because I can'tactually look at the tv over the internet. I can only make guesses with the symptom. I'm willing to bet you have the same problem like mine. One of six Inverter Transformers when bad on my Power/Backlight Inverter Supply Board. I replaced it and it works fine again.

You have a few choices:

1. You can try leaving the TV unplugged for 30 minutes so the TV can reset itself.


2. If by chance the TV is still under warranty, go that route.


3. If you have some electronic experience, if you can find and purchase a Service Manual at Tvtechcenter.com; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists.Usually, cost under $6. And most cases the new part cost less than $15. The service manual at the site is under LC320EM82S.


4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.


I hope I shed some light on the subject for you.

Posted on Jul 13, 2009

toolkits

Sanyade Akinwale

  • 1099 Answers

SOURCE: LG TV won't turn on. Power light flashes red/green.

Hello,

Power supply board just die.It can be dead at anytime.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.


Posted on May 31, 2010

Testimonial: "good advice"

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