Question about Panasonic Viera TH-42PX80U Plasma TV

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I have a Panasonic Viera 32 inch TV. The picture isn't smooth...all the sudden two days ago it started getting choppy. The audio is fine but the picture just isn't smooth. Sometimes it backs up a scond then catches up. It almost feels like its not fast enough, we never get all the frames.

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  • Panasonic Master
  • 2,800 Answers

Your Tcon board is failing

Posted on Feb 09, 2018

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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jerryg50

Jerry Greenberg

  • 1691 Answers

SOURCE: panasonic 50 inch plasma

You should call for warranty service. If the set is very new try to get it exchanged.

There are some very heavy duty power supplies and many high power matrix drivers used in Plasma sets.

The description sounds like the noises are very loud. It is normal with any of these TV sets, if you put your ear right up to the back of the set at the vent holes you will hear some noises. These would be some acoustic harmonics from the power supplies and related circuits.

I am wondering if it is possible that there is something that is becoming less stable. If the set is working very well without any failure, so-far this is a very good sign. Before it gets to be a problem, I would have this checked.

On many models of these sets, they use fans for cooling specific areas. A bad fan can cause noise.


Jerry G.



Posted on Apr 14, 2008

Anonymous

  • 39 Answers

SOURCE: black strip down the right hand side on my viera plasma

Hello

black strip down the right side its about 2 inches wide there are also red and green flashing lights that is defective shorted capacitor at power inverter board section that was 300uf 200volts.

Angel
Thanks...

Posted on Aug 02, 2009

djchillsnyc

charlie rodriguez

  • 152 Answers

SOURCE: panasonic viera tv won't turn on. Power light

hello, you have a either your su, sd or sc boards fualty and it is a driver sos1 thats what the manual reads the best thing to do if your not electronically inclined or able to fix it is to get a service manual and make sure it is for your specific model and size you will find what the 7 blink codes mean, on my side i have a 42 in pana the service manual for this set and your is similar so since it is not the same model i cant tell you exactly what the truoble is but your best bet is to find a service manual find the 7 blink fualt then without getting ripped off you will know what the service man needs to do if you dont know or cant replace the parts yourself that is besides having to download firmware from your computer to a sd card and update your set but you need to solve the blinking code first it may solve the entire issue. the tv should come on when you resolve the blink codes or replace the fualty board or boards

Posted on Oct 14, 2009

Anonymous

  • 1 Answer

SOURCE: Panasonic 42 inch Viera Pixel Distortion

We have the TH-42PX70A which has the same problem. It comes and goes..It is only 2yrs old, warranty has run out. The moving red pixels are on the black and the cyan pixels are on the white. It will go away for months and then return for a few days. It is not an antenna problem as the signal is still there.I am taking it in today for the tech to look at, but I turned it on this morning and it is fine. So I wont be able to show him.. (took pics though).Everyone says they are the "best" and all that, but every now and then you get a lemon. If it turns out to be too costly, I will buy a new one and it wont be a Panasonic.

Posted on Jan 20, 2010

freetek

Steve Allison

  • 5569 Answers

SOURCE: Hello "experts", My Panasonic Viera TH-50PV600

That's a fairly common indication that a component in the main power supply called an 'electrolytic capacitor' is fading away. These are used as filters and in feedback paths in switched mode power supplies and one of the parts on which mfr.'s safe a nickel or two. If these parts are not rated for the type of service they perform (higher frequencies and ripple current) they chemically break down and lose value until they no longer can serve their purpose.
If you open the back of the set after allowing a number of hours (overnight is better) with the plug pulled, look for a smaller circuit board with larger than average parts. Some of these will be blocks (transformers and chokes) and it will have cylindrical 'cans' that are mounted 90 degrees to the board. Look for a part number which may be on a sticker. If you can find this, contact Panasonic service in your area and ask about repair or replacement cost of this board. If either causes a faint heart, check on the site below to see if they happen to have this board on hand, it may save some money:
Jimmy's Parts
Subassemblies are normally plugged in and won't require soldering to replace.

Posted on Mar 19, 2010

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