Question about LG Televison & Video

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My LG 55G2 comes on with picture and sound, then the picture goes off. The sound stays on, turning it off and on again brings the picture back for a couple of minutes. Can you help?

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  • 74 Answers

You most likely have a week capacitor on the power board. When the TV warms up the cap stops working. Check for bulged or leaking caps and replace them.

Posted on May 27, 2019

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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skotkolr
  • 558 Answers

SOURCE: Sharp LCD TV, Screen goes black sound stays on

Capacitors on the power pack are going bad they need to be replaced that should fix the problem.

Posted on Apr 07, 2009

  • 136 Answers

SOURCE: LG 47LC7DF LCD TV turns off with a pop then turns back on.

Sounds like a overheating issue. Try facing a large fan blowing across the back of the unit and see if this changes anything. If it does, it might help to blow the back out with compressed air as dust might be helping it overheat.

Posted on Aug 08, 2009

  • 556 Answers

SOURCE: Sony kdfe60a20 - The TV turns on but after a

classic Sony telling you the lamp is going bad. Replace lamp yourself it is consumer replacable.

Posted on Aug 11, 2009

maatmartin7
  • 1255 Answers

SOURCE: 47in Phillips-tv picture goes black still has

Could be the signal board has a bad cap, in this case it sounds like you are getting intermitten power to the inverters....when the tv goes down and of course you have audio....Shine a flashlight on to screen and see if you have a picture...look carefully. If this is the case..you have the above problem!

Posted on Nov 23, 2009

  • 8457 Answers

SOURCE: screen goes blank but come back when TV is turned off and back on

Ur tv LCD inverter board it dead.Replaced this LCD inverter board ur tv picture will return.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter board for the replacement.It a long board in shape.

Posted on May 14, 2010

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Hello,

What you described here is a issue with the LCD back light or one of the inverter boards going out on you. These boards can be found www.partstore.com or www.shopjimmy.com

From what you described this is basically what I come up with, if you update me with a serial number/ model number we could get you the part number and price.

Thanks

Rulds2008

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

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From your description (and as a servicer), I would be looking for a component that is heat sensitive. These types of problems are fairly easy to locate and resolve.

Please take this in for warranty service and update this when you find out the details.

Thanks,
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