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How do I turn on my kdl-37n4000. I press the on button, the tv clicks on, no picture, then shuts itself off

Press on button then it clicks, then tv shuts itself off, I repeteated this several times, using the remote and the on/off button on the tv

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Fault with its main 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.

Posted on Dec 05, 2014

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When I turn on my Sony TV, ti stays on about 30 seconds then shuts off, What do you think is wrong?


Do a Power Reset.
1. Turn off TV.
2. Unplug the power cord of the TV from the electrical outlet.
3. Let the TV remain without power for 60 seconds.
4. Plug the power cord back into the electrical outlet. (If the television is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the television.)
5. Turn on the TV.
If issue persists after doing the steps, reset the TV to factory default settings.
1. Turn on the TV.
2. Using the supplied remote, press and hold the UP arrow button.
3. While holding the UP arrow button press the POWER button on the TV itself.
4. When the TV goes off, release the POWER and UP arrow button.
5. The TV will turn on by itself and the initial setup screen will be displayed. Just follow the on-screen prompts to finish the setup.
Sony KDL 46V5100 random shut off 15 20 sec

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1 Answer

How to stop sony demo mode



  • Turn on your Sony Braviaicon1.png.
  • Press and hold the Up Arrow button on the remote control
  • Press the Powerlb_icon1.png button on the TV while still holding down the Up Arrow button. The TV will turn off and then turn itself back on.

  • Release the Up Arrow button. Once the TV turns itself back on, it will restore your Sony Bravia to its factory settings.

  • http://www.ehow.com/how_5855646_reset-sony-bravia-tv.html

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    Sony KDL-V32XBR1 Displays only snowy picture


    Here are a few more troubleshooting steps you can try when your TV picture is just snow. I see that you have already rebooted your TV, but did you turn your set-top box off and on, too?

    1. Does the picture show when you play a DVD?
    2. Check all of the connections between the TV, outlet and set-top box and make sure everything is secured.
    3. Is your TV set to the correct channel (typically 3, but in some areas 2 or 4)?
    4. Press any key on the remote to see if the correct mode lights up. (Ex: if you have cable, the cable button should light up). If it doesn't, press the correct mode's button to regain control and change channels.
    5. Call your service provider and make sure it's not an overall service outage.
    6. Do you have sound but no picture? If so, it could mean a backlight failure.

    For more suggestions, see TV black screen or snowy screen for troubleshooting and solutions. I hope this helps!

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    Make sure the TV is set for home mode. Information for doing this is included on page 11 of the owner's manual. Click here to view or download the owner's manual for the TV. ON the remote control press the up arrow and hold it in. Press the power button on the TV itself twice. Hopefully this will correct the problem.

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    Sony Bravia KDL-46S4100, No Picture No sound


    I have a sony bravia kdl 40v 5100 for less than two years and i did not purchased an extended warranty and now my tv is down.
    I have no picture, no sound just a black screen when i turn the power on, the power (green) light is lite up and the tv turns off by itself for like less than 30 seconds. I have tried to press as many buttons on the remote control and on the side of the TV to get any message but nothing seem to happen. Any suggestions and solutions? Thanks

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    My 52 ince screen stopped showing picture. It is just red, or yellow or green with thin vertical lines. I can hear that the channels are changing but no picture. Is there a reset button or something?


    Hi,
    To reset the tv to factory/ default settings, please follow below procedure.
    Turn On the TV, while holding down Up Arrow on the remote control, press Power button on TV, tv will turn itself Off then back On again, release Up Arrow on remote control.
    This procedure will reset all settings in tv to default settings.
    Problem seems with lcd panel and I'm afraid it does not seems to get solved by resetting tv however try to reset tv by above said procedure.
    Thanks.

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    Kdl 37N4000 Red light flashes 2 x's wont turn on


    Hello,

    Your power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

    Hope this helpout....


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    no u need to bring it to the nearest service// maybe u have memory ic problem.

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    1 Answer

    TV turns itself off after a few seconds, no picture at all


    Sounds like the typical Flyback and shorted horizontal output transistor. Problem is the transformer is NO Longer Available

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