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Upon turning power up for a 2,3 seconds tv will turn off

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The main board is running hot

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I have a Panasonic Viera TC-P42x5 TV. I had a brief power outage and the TV would not turn back on. no power at all.


I have the same tv. Upon researching how to fix this, I came upon an answer to do a reset. I tried it and it did work! Try doing this: Let's try a hard reset of the TV. To do this, disconnect the set from powericon1.png then press and hold the power button on the TV itself (not the remote), for 10 seconds and release. Then plug the TV back in, and also make sure the power cord connection to the TV itself is secureicon1.png. Then press power once . Hopefully that will do it.

Jan 26, 2014 | Televison & Video

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I have a 43 inch lcd lg tv model #lg 42lb5d made in march 2007 upon powering up it will turn back off within seconds


There was the deffective or leak parts in the power supply of your television.Either the cepacitor or transistor.It is needed to replace the parts at the power supply section.

Jul 04, 2011 | Televison & Video

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I have a Mitsubishi WD-62525 HDTV that suddenly wont turn on. Just has a green blinking light when you hit the power button. Any ideas?


I found this on another website, most likely it is your power supply capacitors.
  1. Press the "reset" button and hold for 10 seconds .... Does TV turn on and blinking green light turn to solid green.

  2. Unplug the TV from it's power source for various times, ranging between 5 minutes and 24 hours..... Does blinking green light continue upon plugging in the TV.

  3. Disconnect ALL devices from the TV; DVD, Tuner, Cable Box, unplug the TV for various duration times .... Does blinking green light continues upon plugging in the TV.

  4. Press Power and Menu buttons simultaneously and hold depressed for 20 seconds .... Does blinking green light continue to flash.

  5. Press Power and Display buttons simultaneously and hold depressed for 20 seconds .... Does blinking green light continue to flash.

  6. Insure that no front panel buttons are inadvertently stuck in an "engaged" position.

Diagnosis: If none of the above test resolve the issue, then the failure lies in one of the following:

  1. DM Module Capacitors have FAILED.
  2. DM Module is defective.
  3. EEPROM Board failure
  4. Power Supply failure.

Feb 28, 2011 | Mitsubishi WD-62525 62" Rear Projection...

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Our CAL232 TV will not turn on. When pressing the power button, you can see a red light and a green light, but the screen doesn't start up as normal. The TV then tries again after about 20 seconds, but...


Hello,

My LOEWE CAL 232 will not power up. When the power button is pressed, the monitor turns on, with the LOEWE on the monitor, then the TV continues with the previous activity (antenna, DVD, VCR etc.). Now all that happens is

1. the red light comes on

2.after about 1 second the green light turns on for about 12 seconds

3. the the green light turns off for about 1 second

4. then the green light turns on again for about 12 seconds

and this continues until the power button is pressed to turn the TV off. During this time, the monitor does not turn on and the only sound I hear seems to eminate from the power button.

Any thoughts?

Oct 19, 2010 | Loewe CAL232 TV

1 Answer

I have a Okia 420ATX power supply. I had it


Based on the additional information that the power supply fan turns on for a few seconds and then goes off indicates to me you have a motherboard or processor problem. I would have a service center check the computer for you.

Feb 03, 2010 | Okia 420w UL Approved ATX Computer Power...

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Power went out now the tv wont turn on, there is just a blinking


Does the power light just blink? Some of the Mitsubishi sets have a receiver built into them; if the power is removed the power light upon return of power should blink for 70 seconds and then go out--then the set should turn on---if the light never stops blinking---2 possible things--set should have a recessed button on the front keyboard(reset) that you can depress with something not sharp and see if after 70 seconds the light will stop blinking; if no, the set now has a damaged receiver(from the back of the set it is a large metal box on the far left side-----the blinking power light is the receiver trying to boot up like a computer---only should happen if power lost---let me know what you find----the receiver if bad is usually no longer available and can only be repaired by removing it and sending out for repair/rebuild.

I do this here for free so if this information helped you take a minute and give me a vote here......ALSO IF YOU HAVE ANY QUESTIONS OR NEED HELP REPLY TO THIS POSTING.


SD TECH

Sep 07, 2009 | Mitsubishi WS-55711 55" Rear Projection...

1 Answer

When turn on 2 seconds off,2 seconds turn on,2 seconds turn off


May be the power supply unit Transformer and other circuit seems to be faulty, And i don't want you to check it.. without proper precautions since its electrical equipment..
Please contact service person near by It takes very less time to service it..
Hope this info helps

Jun 01, 2009 | Televison & Video

1 Answer

Astar tv coming on and off


the power button comes on for a second and shuts nright off

Jan 27, 2008 | Astar LTV-3201 32 in. LCD Television

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