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I have a Panasonic TH-42PX80U My screen lights up but no physical picture comes up what can i do to fix this problem

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Check to see if supply switching transistor ( RJK5020 ) is shorted.

Credit: http://www.repairworld.com/

Posted on Nov 08, 2010

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Th-50px75u right side of screen black


There are 2-3 z sustain boards at the bottom of the tv. reseat the ribbon cables first and ten if it does not change replace the board.

Apr 08, 2016 | Panasonic Viera TH-42PX80U Plasma TV

1 Answer

There is no zoom or aspect ratio on my Panasonic Vierra remote and the picture is too large for the screen. How can I fix this problem


Try exploring the picture set up menus on the device that is supplying the picture, it may be a cable box or DVD player or other. Change it to 16:9 ratio on that device. Does the problem exist for all types of devices supplying pictures to your TV or just one?

Dec 15, 2013 | Panasonic Viera TH-42PX80U Plasma TV

1 Answer

Panasonic Viera TH-42PX80U - No picture or sound


Check this link and select the site named 'Electro-help'. You can get more details from there. Pull up older posts. As you think, there is no back light for plasma TVs.

Jul 30, 2012 | Panasonic Viera TH-42PX80U Plasma TV

1 Answer

Panasonic plasma TH-42pz700 has left hand side of screen distorted


The set uses two boards to drive the screen --one for each half or side.

Different names are used like sustain or in LCD sets inverter.

Apr 02, 2012 | Panasonic Viera TH-42PX80U Plasma TV

1 Answer

The picture on my screen is to big to fit on the screen, no matter what aspect ratio it is set on.


where is the picture coming from? Is it a media player or dvd player? If so, does that need to be set for the specific output

Mar 07, 2011 | Panasonic Viera TH-42PX80U Plasma TV

1 Answer

I have a TH-42PX80U. The picture went black and the red light does NOT blink. I tried a different power cord in a different outlet and still won't turn on.


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.

Dec 23, 2010 | Panasonic Viera TH-42PX80U Plasma TV

2 Answers

I want to know the perfect color settings for the th-42px80u


Hi,

The Settings are :-

-Picture menu Picture mode: Custom
Picture: +80
Brightness: +60
Color: +44
Tint: -8
Sharpness: 0
Color temp: Warm
Color management: On
x.v.Color: Off
Zoom adjust: [grayed out]

-Advanced picture submenu
Video NR: On
3D Y/C filter: [grayed out]
Color matrix: [grayed out]
MPEG NR: [grayed out]
Black level: Light



Let me know, if needed further assistance.


Hope i helped you.


Thanks for using ' Fixya ' and have a nice day!!


Mar 10, 2010 | Panasonic Viera TH-42PX80U Plasma TV

1 Answer

The on button comes on, but there is no picture. The picture went out during a lighting storm. Is there a reset button?


The shocked probably went thru the wires and damaged the tv picture.

One solution: Buy new tv or contact the tv costumer support

Sorry for bad English

Dec 15, 2009 | Panasonic Viera TH-42PX80U Plasma TV

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