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My picture is grate. but all of a sudden the picture starts jumping in and out and after trying to regain the picture the set turn it self off and i have to unplug and replug to get jumping picture back? but i never loose power to the set please help

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  • patrick mc namara May 20, 2011

    element lcd tv model 32le30q

  • patrick mc namara May 20, 2011

    element lcd tv model # 32le30q

  • patrick mc namara May 20, 2011

    is anybody on the other end or not you ask for the brand of tv and model # 32le30q element 32' lcd tv

    i reply twice got no response popeye 17055

  • patrick mc namara May 21, 2011

    what is your opinion? on the cost of the repair.just a ball park figure i"m trying to weigh the
    cost and a two year old tv any thoughts would be helpful thank you for your time in this matter



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May I know the brand and model of your unit to assist you further regarding on the symptoms.

Posted on May 20, 2011

  • Jdvillanueva
    Jdvillanueva May 20, 2011

    Sorry for the late reply, I was sleeping when you reply 3 hours ago.

    This kind of symptoms indicated of overload in the inverter board. The unit turn itself off to avoid further damaged to this board which is sensed by the feedback circuitry.

    The following reasons of this symptoms are as follows:

    1. Busted backlight - If one or more of the backlight was already busted, the feedback circuitry turned off the power supply to avoid overload to the inverter board. The bulb can't be test by multimeter but has a physical indication of fault like blackened end.

    2. Faulty Inverter Board - Once this board gone to overload due to faulty parts like the high voltage transformer, driver transistor, resistor, same cenario will be done by the feedback circuitry.

    3. Faulty Power supply - When this board gone to out of regulation condition(most especially the supply feeding the inverter board), same symptoms will be encountered. This is commonly cause of leaky/dried filter electrolytic capacitor. Leaky capacitor has a physical indication of fault like bulged/dome at the top and can easily identify while dried capacitor has no indication of fault. To isolate it, you must have a capacitor checker.

    4. Loose connection - all cables connected from the power supply, inverter board, backlight, mainboard, must be checked also from loose connections and bad solder joints( cracked/cold/dried solder) because it will do the same symptoms.

    If you don't have necessary tools and test instrument and can't troubleshoot the unit yourself, I would advice you to look for a qualified technician to isolate the symptoms.

    Also check if your unit is still under warranty/extended warranty period, avail it because the manufacturer will fix it for free. Don't attempt to open the back cover because it will void the warranty.

    Hope I helped you.

    Have a nice day!

    Thanks for using Fixya.



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