Question about Panasonic TH-50PX75U Plasma HDTV
Sound stopped working
Posted by Anonymous on
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Posted on Jan 02, 2017
If all of your connector cables are in good standing and your input/output ports are hooked up correctly, this may be an audio defect developing in the processor board. I can walk you through some steps to confirm this problem.
e-mail me: email@example.com
Posted on Feb 12, 2009
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
Panasonic said "A" board,
A board SOS Detect (Explanation)
10 Blinks SOS: The voltage regulators IC5400 and IC5401 in the A board generate SUB9V and SUB5V. The 9V and 5V from these ICs are monitored by IC1100. Any abnormality on the SUB9V or SUB5V lines, triggers the shutdown circuit and the MPU shuts down the unit. The power LED blinks 10 times.
But need to measure the connection SC2, if it short, it will be the SC board.
The knowledge obtain from: Real case of repair by myself.
Information from Panasonic training manual.
Posted on May 10, 2010
The tv power supply board is the causes and the problems.That the board,where the power a/c cord plug into it.Try website like Ebay.com to buy a refurbish power supply board for the replacement.
Posted on Feb 05, 2011
Testimonial: "THANK YOU FOR YOUR INPUT. WE WILL TRY IT. I HOPE THAT WILL BE THE SOLUTION."
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