Panasonic Viera TH-42PX80U Plasma TV Logo

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Posted on Feb 10, 2018

No Power to Panasonic Viera TH-42PX80U

TV was on. Circuit breaker blew for no apparent reason. Re-set breaker but no power to TV. There is outlet power to DVD so know it goes that far. There are no blnking lights nor any power whatsoever getting to the TV. Is ther some sort of fuse in the TV or the power cord that may have blown?

5 Related Answers

Anonymous

  • 39 Answers
  • Posted on Aug 02, 2009

SOURCE: tv will not come on

Hello


did you see the standby light? if no you have problem in main power section maybe the fuse is blown you can locate the fuse at the power main board, or if the standby light is light up the problem is the inverter power supply and this section is need to diagnose to find the defective parts...

Angel
Thanks...

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Anonymous

  • 1112 Answers
  • Posted on Aug 24, 2010

SOURCE: my panasonic viera plasma TH-42PX80U

Hi:
You will need to count the number of red led blinks on the power indicator, if it is at least 10 then replace the power supply it is faulty, In my years of servicing panasonic Plasma, power supply failure is about the most common failue in this class of television from this manufacture.

budmrtn

Bud Martin

  • 11361 Answers
  • Posted on Dec 23, 2010

SOURCE: I have a TH-42PX80U. The

More likely to have power supply module failure, that will be the first place to look.
Most common failures in PLASMA TV are due to bad power supply module, Z and Y Sustain modules.

Anonymous

  • 691 Answers
  • Posted on Jan 13, 2011

SOURCE: My Panasonic Viera TH-42PX80U plasma TV shut down

Bad power supply check shopjimmy.com

Anonymous

  • 1 Answer
  • Posted on Mar 27, 2011

SOURCE: Viera TH-42PX80U Plasma TV: how to watch movies off the sd card...

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More likely to have power supply module failure, that will be the first place to look.
Most common failures in PLASMA TV are due to bad power supply module, Z and Y Sustain modules.
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A voltage sniffer won't tell you much - most sets have power right up to the fuse on the power supply board. If the fuse is blown, don't bother replacing it until you find out what blew it - you'll just waste another fuse. I generally start by doing ohmmeter checks (power disconnected!) on the diodes and transistors - anything reading less than 1 Ohm is probably fried or is being shorted through a transformer winding by another fried component. Other readings must be interpreted according to the circuit design.
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