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No power to tv. Just shut off and will not turn on?

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  • spinalcord10 Jan 13, 2009

    No power at all. Totally dead.

  • spinalcord10 Jan 18, 2009

    THANK YOU GUYS WERE VERY HELPFUL

  • nuwan chinthaka
    nuwan chinthaka May 11, 2010

    is the stanby power there.

    nuwan

  • zenigata May 11, 2010

    Do you have pets that chew on wires? how old is the tv(meaning, newer or archaic)? and check the cork to make sure the plastic around the wires has not split...

  • SAM ANDERSON May 11, 2010

    can you provide details like brand and model number .

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  • Expert
  • 111 Answers

IT CAN BE THE PROBLEM OF,
power socket outlet.
power cable.
main fuse.
power supply
horizontal output
vertical output
system control section.
shall we start the diagonose.are you familiar with electronics.?
nuwan.

Posted on Jan 15, 2009

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1 Answer

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

Feb 25, 2016 | Sony Televison & Video

1 Answer

Tv will not turn on i push power on button and blue lights click on an tv acts like it will come on but then tv shuts off and no picture appears


The blue light merely indicates power is getting to the TV. When you press the power on button, the defective power supply shuts the TV down immediately

Jan 06, 2013 | JVC LT42P789 42 in. LCD TV

1 Answer

Power indicator light blinks-7 times. will a new power supply fix it


Physically disconnect the SU board and the SD board. (See precaution # 5)

Plug in the TV and turn it on.

Does the TV shut down and the power LED

blink 7 times?

Yes

No

Replace the Panel and the SU board.

(See precaution #3)

Reconnect the SD board only.

(See precaution # 5)

Plug in the TV and turn it on.

Yes

No

With the SU board and the SD board still disconnected, remove connectors SC2 and SC20 from the SC board (See precaution # 6)

Plug in the TV and turn it on.

Disconnect the SD board and reconnect the SU board. (See precaution # 5)

Plug in the TV and turn it on.

Yes

No

Replace the Panel, SD, and SU board.

(See precaution #3)

Replace the Panel and the SD board.

(See precaution #3)

Replace the SC board.

(See precaution #3)

No

Replace the D board.

(See precaution #3)

Does the TV shut down and the power LED

blink 7 times?

Does the TV shut down and the power LED

blink 7 times?

Does the TV shut down and the power LED
blink 7
There is a sequence that you have to check to figure out which board is bad,

Feb 16, 2011 | Panasonic TH-42PZ700U 42 in. Plasma...

1 Answer

When tv was ruining main power shut off and after that tv didn't turn on.tv akai pt 46 dl 10.week ago. i didn't try any thing.


The power shut off because it has been a power surge - the voltage on the line grew very high for a fraction of a second. When that happened the protection system at the power station that powers your house disconected the mains, shutting everything down. Unfortunately it hasn't acted fast enough and the power source of the tv has been fried by the surge.
To fix that you will have to dismantle the tv and replace the power source with an original one. If you don't know ho to do it then the only thing left for you to do is to take the tv to a certified repair shop. It will be expensive, so be prepared .

Dec 17, 2010 | Akai Televison & Video

1 Answer

When I was watching TV today my Sony Bravia KDL-40V4100 just swutched off by itself. After 15 minutes or so it came back on by itself, I shut it off soon after. Later on today after watching TV for 15...


When tv it shutting itself off by it own does the tv power LED light indication flashes?Tv turn on now,the tv power light indication,just flashes?Yes,than ur tv power supply board is the causes and the problems.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Dec 12, 2010 | Sony BRAVIA KDL-40V2500 40 in. LCD HDTV

1 Answer

TV SHUT OFF


Try connecting the TV directly to a different wall outlet and check. If the issue persists, try power resetting the TV. Turn Off the TV and remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue persists, then the TV requires service.

Jul 26, 2010 | Sony KV-35S42 35" TV

1 Answer

Tv just shut off, now now power will not turn on at tv or remote


I have the same problem with my Panasonic Tau 32" HDTV (tube). It's well out of warranty, so I might "explore" and see if I can find a burned fuse or other component.

Jan 05, 2008 | Samsung TXM3096WHF 30" TV

1 Answer

Assistant


check your sleep timer settings thats the most comman prob

Dec 18, 2007 | Philips 27PT81S 27" TV

1 Answer

TV LED Flashes then TV shuts itself off


capacitor problems in power supply or a regulater isolate the power suppley by disconecting the line output stage/unplug scan coils for example and run a 60w bulb as a dummy load one wire to earth and the other to rail voltage colecter of line output transister if the bulb glows steady the power supplys fine

Jun 25, 2007 | Philips 27PT81S 27" TV

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