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My 50in LG smart TV has sound but picture is hardly seen on the screen, how can I fix this?

My 50in LG smart tv has sound but picture is hardly seen on the screen.

Posted by Ashley Englert on

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The Knight

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  • LG Master
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Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
In some models of LCD TVS; the backlight inverter and its T'Con board will be a part of the panel itself, and will be a built-in type inside the LCD panel. If so, they can't be replaced. In this case; a panel replacement is the only repair. For some other models, the backlight inverter section circuit will be a part of the main power supply regulator [SMPS]. To such sets, the power supply section circuit too should trouble shoot. Contact any service technician. The circuit will differ with models and versions.

Posted on Jun 07, 2015

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Anonymous

  • 1 Answer

SOURCE: lg 50px1d 50in

Check out this link. this is a very prevalant problem with the LG tv's

http://www.fixya.com/support/t240040-z50px2d_50_heard_loud_pop_now_only#SameProblemContinued

Posted on Jan 03, 2008

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David Low

  • 458 Answers

SOURCE: 42" LG Plasma tv, no picture - black screen, but have sound.

Most a likely a problem with your Y-Sustain board which will then not drive the screen giving a black picture. The fuse on the board may be open circuit & need replaced but most likely you will need to have the sustain board replaced.

Posted on Oct 28, 2009

John Morganti

  • 864 Answers

SOURCE: im trying to hook up surround sounds on a 50in lg

Use the audio jacks in the Monitor Output section. See pages 9 and 19 of the manual:
http://www.hdtvsolutions.com/pdf/50PX5D-0314-50px4dman.pdf

Posted on Nov 18, 2009

Anonymous

  • 111 Answers

SOURCE: Samsung 50in Plasma tv picture issues.

buffer board needs replaced need to replace both

Posted on Feb 04, 2010

welcomejee

Shahid Electronics

  • 10594 Answers

SOURCE: my LG HD tv screen suddenly went green. sound is

Hi,
I disagree with info provided, if screen of your LG lcd tv becomes green that means inverter board is working and lcd tv does not have convergence ICs.
Please unplug tv from ac wall socket for minute to get it reset, replug back in and turn it On and check its picture.
If still showing green screen then change input source with remote, if tv shows same green screen on all inputs that means its either lcd panel problem or digital signal processor got bad loacted on main board. Local tv repairman is needed to confirm and fix it.
Thanks.

Posted on Jul 23, 2010

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Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
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