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M
Mack Posted on Nov 16, 2017
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No picture on LG 49UF6430 TV. Voice is fine but picture is snowy white/blue. Remote menu works fine with color. Tried Netflix with the internet the static menu is fine.

As soon as I want to watch something on the cable box, Netflix or even Apple box I get the snowy picture but I can hear clearly the channel I am trying to access. Backlights work fine. I even measured the power output board I get 13 Volts DC.

1 Answer

Larry

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  • LG Master 5,042 Answers
  • Posted on Nov 17, 2017
Larry
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Joined: Oct 13, 2017
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Sounds like a bad timing control board...Tcon...that generally causes picture issues when there is sound.

Testimonial: "Sounds reasonable. Is there a way to check the T-CON board with a voltmeter?"

  • Larry Nov 17, 2017

    No...only thing you can do is replace it, one other thing you could try first is to clean the contacts on the connectors going in and out of it but that seldom helps

  • Larry Nov 17, 2017

    If you order one dont go by the model of the set, you need to get the part number off the board as they use several different boards in the same model set...good luck

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5 Related Answers

Anonymous

  • 579 Answers
  • Posted on Jan 06, 2008

SOURCE: cannot watch channels past 13

Your tuner settings must be set on broadcast instead of cable. Below channel 13, they use the same frequencies so it doesn't matter. Find the tuner settings page in the menus and change the cable/air setting.

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Bob Citizen

  • 520 Answers
  • Posted on May 13, 2008

SOURCE: how to hook up cable and get more channels than 2-13????

Change setting in menu to cable from tv or antenna. May be in channel setup menu.

Anonymous

  • 6 Answers
  • Posted on Jul 30, 2009

SOURCE: Can not access setup

hit vol down on the tv and hold then with your universal remote puse 1. This will set the tv back to factory defaults and give u acess to all cable channels.

Anonymous

  • 61 Answers
  • Posted on Sep 13, 2009

SOURCE: RCA TV lost Color

It sounds like your grandson found the "monochrome" setting in the menu on your remote. It may be in the "picture settings", "set-up" or "advanced" setting.

Anonymous

  • 541 Answers
  • Posted on Nov 13, 2009

SOURCE: Magnavox tv has cable channels 2-13 only. Lost

The set needs to be switched from antenna to cable in the setup menu. It is capable of either antenna reception or cable reception. Ch 2-14 are the same frequency for antenna and cable but above 14 they are different. That is why the picture is stoping at 14. After you switch it to cable auto program again. Thanks for using fixya.

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