Question about Sharp Aquos LC-46D62U 46 in. LCD HDTV

1 Answer

Tv does not turn on after a thunderstorm and several attempts at power returning to the home. The power went on briefly then shut off several times, now the television will not turn on. We had the tv plugged into a surge protector too.

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  • Dennis Barnes Jul 21, 2010

    budmrtn
    The exact problem was the outside surge protector, I saw that the power light and the surge light was on. The surge protector went into surge mode and I have to replace it. I am unable to reset the surge protector.
    I plugged the tv into a working outlet and the tv just powered back on. Thank you again for your help and quick response.

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Check the main fuse in the power supply, the TV also has small surge protection devices (MOVs) installed after the fuse, any surges the come along and big enough will cause the main AC fuse to blow. When you surge protector, EVERY connections must go through the surge protector, for example, the AC cord of the TV is connected to the surge protector, the cable connection did not go through the surge protection, the surge then can get to the TV through the cables.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Please post back what you find.

Posted on Jul 21, 2010

Testimonial: "Fantastic Results, very knowledgeable I can't thank you enough for your quick response!"

  • Bud Martin
    Bud Martin Jul 21, 2010

    That is good news that the surge protector did do its job by sacrified itself to protect the TV, you have the good surge protector that actually disconnected the power source to the TV, most cheaply made surge protector outlet strip will take the surge the first time and sacrified the MOVs without disconnecting the outlet on the outlet strip, so if the second surge comes along you will no longer have the protection sicne the MOVs already blown by the first surge and the outlet on the outlet strip will still supply the power, make sure to get the same kind again.

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