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55LW6500 lg 3d tv power light changes colour to say its on but , no picture or sound at all. What could it be?

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  • 68 Answers

Sounds like the power supply has failed. If it is still under warranty contact the manufacturer for repair, or if you purchased an extended warranty through the retail outlet then contact them.

Posted on Apr 27, 2015

Testimonial: "Have also contacted lg no help at all just refer me to a repair shop ."

  • 1 more comment 
  • tv's dead Apr 27, 2015

    Thnx for ur feedback . Not under warranty anymore unfortunately, so if i was to buy a whole new pcb board it should fix my problem?

  • Daniel Kring
    Daniel Kring Apr 27, 2015

    Probably. Contact LG and tell them the issue with the unit, they should be able to troubleshoot it and can help make sure you get the right part.

  • tv's dead Apr 27, 2015

    Thats the big brown board isn't it? All capacitors look visually fine on it . And what i think is main board , when last plug in usb or hdmi that all works fine too. From sum research I've done one said "could be logic board not letting power get through to start it up. Have been in contact with tv repair n they just say its cheaper to throw away.

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SOURCE: my hitachi ld328700 lcd tv picture has gone faulty

ALL LCD/Plasma televisions have adjustment for convergence, RGB drive, color saturation and a virtual host of other parameters than can be adjusted through the "technician's service menu".
Unfortunately, you are not supplied with the information to access that menu and you're limited to a "user's menu" which allows you to only adjust some of the basics, like volume, tone, color, tint and several more.

Methods of access vary from manufacturer to manufacturer. And the main reason that a consumer isn't given access to these menus is simply because they can totally screw up a set with just the push of a button, requiring hours to correct by a qualified technician.

Of course, most all of them have a factory default to recover most of the settings, but there's still a lot of finite settings that would have to be adjusted to get your TV looking right again.

Depending on the LCD manufacturer, it may be adjustable for your specific set, or you could have a problem with the LCD digital or driver modules. Even the LCD display itself could be failing.

Best bet is to call a QAUALIFIED technician and have it checked out. If you don't have an extended service plan from where you purchased the set, or if it's out of manufacturer's warranty, some of the repairs could be quite expensive. enough so that it may be worth looking into buying a replacement set.

Posted on Jan 08, 2009

  • 636 Answers

SOURCE: No picture, no sound on a LG LCD tv

If it is hot were you live , That model of t.v doesn't like heat, anything about 35 degrees celsius could cause a problem with the card components.

Posted on Jul 27, 2009

budmrtn
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SOURCE: 32'' LG TV no picture or sound

You may have lost the main controller board, but you should at least check the main power supply first for any signs of bad components such as capacitors. Also check the DC voltage reading on the connectro if they are labeled with voltage indicators.
http://en.wikipedia.org/wiki/Capacitor_plague

Posted on Nov 10, 2009

Testimonial: "Thank you your advice has been very helpful"

  • 1 Answer

SOURCE: No Sound, No Picture on LG 42LC7D

I do not have a solution but I have the same situation with my tv

Posted on May 25, 2010

SD Tech
  • 14553 Answers

SOURCE: lg 3d tv

You may want to call LG to see if there is a firmware upgrade for this model for this issue--sound like it may be firmware problem.

Posted on May 30, 2012

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http://www.tvserviceparts.com/EAJ61750001.html

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