Question about Panasonic TH-50PX75U Plasma HDTV

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My panasonic th-50px75x no power on , when I turn on the tv on red light but nothing else , no blinking red light only stay on and sound relay click but not picture ,no sound please help me

My panasonic th-50px75x no power on , when I turn on the tv power on red light but nothing else , no blinking red light only stay on and sound relay click but not picture ,no sound. please help me

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Posted on Jan 02, 2017

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SOURCE: PANASONIC TH-42PD60U

I had a similar problem where my TH-42PX60 would turn on but all controls were disabled. I could not change channel, input, volume or anything other than turning the TV on and off. I called customer support and they directed me to this site: http://www.pasctraining.panasonic.com/specialapplications/productfirmwaredownloads/downloads1.asp to download a firmware update onto an SD Card. I inserted the SD card into the slot in my TV and powered it on. The update took about 3 minutes and I haven't had a problem since.
This is a link to the instructions to install the update:
http://www.pasctraining.panasonic.com/specialapplications/productfirmwaredownloads/Firmware/PDP/PX60/UpdateInstructions.pdf

Posted on Jan 01, 2008

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SOURCE: Panasonic plasma TV model TH-42PD60U won't turn on

I had this problem in 2007 / 2008 here is what happened to me. Jan 09, 2008 - I also have brought the unit to the authorized Panasonic repair facility and the problem is a failure in the P-board which is the power supply board. The P-board needs to be replaced. The repair will cost $475 plus tax. $250 is for labor. The unit was nop more than two months out of warranty. This does not speak well for Panasonic. I have been researching the problem and it looks like this has happened to many of the Panasonic plasma TVs.
Jun 14, 2008 - As an update to my problem with the failed P board. Contacted Panasonic Service and talked to a customer service representative. I told them how I have purchased many Panasonic products and how unhappy I was with the failure of the product. They proposed paying the labor cost of $250 and I would pay for the part. I just hope it does not happen again.

Posted on Oct 14, 2009

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