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Tv shuts down on its own frequently - LG 42PC3D 42 in. Plasma Television

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If you havent gotten the latest firmware downloaded on your set you need to call LG and have it done. Your problem is however you have a bad Partal Resonance Power Suppyly chip that is overheating and failing.

Posted on Aug 19, 2010

  • Nestor Perez
    Nestor Perez Sep 28, 2012

    Do you by chance know which one is it?

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Why does a MSI VX600 laptop PC shut down frequently?


It might be overheating. When your PC shuts downs and it's hot to the touch in some areas you might want to try this: I would buy a bottle of compressed air and I would clean/blow out the fans and exhaust port/s.

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Area around TV is clear, nothing is blocking TV or air flow. When we use the TV we frequently get this message: The TV will shut off in one minute. Check to see if air flow is blocked. Happening more...


you need a new power supply unit these after some time get old and start over heating causing the tv to heat up intermediately if you take it to a repair shop and have that replaced it will be like new again

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Have a Mitsubishi 52725 52" DLP The TV shuts off frequently. It tells you "the TV with shut off in 30 seconds". It seems warm but I have a fan in the rear to cool it down but sometimes it still...


does it give you the "airflow" message?
if so it needs a new thermal sensor by the lamp, known issue defective sensor..

if not, suspect bad capacitors
there are many bad caps across 3 board , all part of the chassis.
a repair center will ship the chassis into mits for rebuild, about 400 or 500 total bill

May 21, 2010 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

My receiver shuts down frequently , wakes back after 2 or 3 sec .


do you have sufficient space around the unit? If it is in an enclosed space, has other components on top, etc, you may be overheating the receiver. Once it gets too hot it can potentially cause the issues you mention above.

If you have other components on top, try moving them to another shelf or below the receiver, and if you have a door on an entertainment center, leave the door open to help with air flow.

Jul 29, 2009 | Yamaha RX-V663 Receiver

1 Answer

Pioneer SD-P62A3 62" shuts off - won't stay on


If this TV turns back only when it is cooled down than it has cold solder joints tha have to be resolderd.

Jul 07, 2009 | Mitsubishi VS-6055 60" Rear Projection...

1 Answer

Toshiba TZ50V51 powering down...flashing led


Resolder all pins of Z801 on power suppy board.

If that didn't fix it post back.

Jun 17, 2009 | Toshiba TZ50V51 50" Rear Projection...

1 Answer

Tv shuts off on its own


sounds like tuner isuues could be worng but thats what it sounds like to me or in that general curcuit somwhere...

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2 Answers

My smart series magnavox keeps shutting off................


switch-mode power suppy is flaking out.

when it does that its hard on your high voltage circuits so get it fixed or it might turn to a huge bill.

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