Question about LG 32LG30 32 in. LCD HDTV

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My lg lcd hd flat screen tv is blanking in and out what does that mean? Whats wrong with it

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Trouble in power supply it has a low dc output.

Posted on Oct 12, 2010

  • Todd Hill
    Todd Hill Jan 02, 2011

    WHAT DOES LOW DC OUTPUT MEAN RIPPLE IN DC OR VARIANCE IN DC ,,5V CAN GET AWAY WITH 4.5 HOW LOW WHAT VOLTAGE TO WHAT CIRCUT?

  • Todd Hill
    Todd Hill Jan 02, 2011

    CK CONN. ON RIBBON CABLE TO PANEL OR CONTROLLER BOARD RIBBON CABLES

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Posted on Jan 02, 2017

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Screen goes blank, but sound is on


Most likely a bad power supply. If this is new I would send in for warranty. If outside of warranty then pull this apart and find out the board model and number. You can find most online.

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1 Answer

I have sony KDL32CX520 model it happen to turn into blank scrren while watching tv but the sound works?whats the problem??


What do you mean by this blank screen. A screen with back light only? A screen without any back light [dark screen]? Provide more details please. If you wish to get details about these type of faults to Sony LCD TVs, check this link.

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Google for the part number and Shahid we miss you.

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When I connect my hp laptop to my spectroniq hd tv the screen goes black on both devices and nothjing plays how can i get it to connect properly


I a feeling that your computers screen is blank because it is displaying to the TV and the TV is blank because it is on the wrong input. Your TV/remote should have an input or source button which you can use to select the appropriate input.

Mar 02, 2012 | LG 32LG30 32 in. LCD HDTV

2 Answers

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.

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1 Answer

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