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My panasonic viera 58 plasma is making a high humming sound when I plug it in. I did a visual check and don't see anything burnt on the board

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Posted on Dec 10, 2014

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Panasonic TH-58-PX60U GREEN LINE


if it does not go all the way across the screen, may be the buffer board controlling that area. you can usually visually check for burnt/overheated parts, then replace that particular buffer. could also be X or Y sustain PCB depending on whether it is vertical or horizontal.Again, you might do a visual for burnt/overheated parts on the particular PCB & replace either parts or PCB.
Lastly , may be panel....not cost effective.

Apr 26, 2014 | Panasonic TH37PX60 37 in. Plasma...

1 Answer

My Panasonic Viera Tc-p55gt31 has no picture and no sound


One of the circuit boards has a burnt connection. Look around each of the heat sinks to find the popped plastic circuit. You can also dismount the board and look on the bottom for a burnt mark. Check the number of blinks from the LED. That will tell you which board is bad.

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1 Answer

My 58 inch Viera has ghosted black lines radomly appearing after being on for 20 to 30 minutes. Where should I start.


It should be due to its Y-Sustain and drive boards. Just enter this site named 'Electro-help'. You can see so many problems that can occur with Panasonic plasma TVs and description related faulty boards . Try this link and select the site. Pull up older posts there.

Jul 18, 2012 | Panasonic Viera TH-42PZ80U Plasma TV

1 Answer

Panasonic viera will not turn on


Try the following troubleshooting steps.Check power cord and power outlet, possible light switch problem.
Check if you TV savy check the P board if the P board is not good check the fuses on the P board.
If the P board is OK check the A board.
To check these Unplug the TV , Disconect A5 A6 and A7 on the A board and plug the TV in and see if you get a white screen if this is the case your P board should be OK.

Nov 20, 2011 | Panasonic Viera TH-50PZ80U Plasma TV

1 Answer

Tv powers on, no blinks no picture no sound


Most failures in Plasma TV are the power supply module, Y and Z Sustain boards. I would inpsect all those 3 modules for bad caps, blown fuses, burnt parts first.
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

Dec 23, 2010 | Panasonic Viera TH-50PZ80U Plasma TV

2 Answers

My panasonic 42 in plasma tv ( TH-42PX8OB ) 25 months old,will not tun on just get the flashing red light 10 times. From the uk


This problems it is the 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(UK) side.Buy a whole refurbish power supply board for the replacement.

Dec 04, 2010 | Panasonic Viera TH-50PZ80U Plasma TV

1 Answer

My panasonic viera plasma TH-42PX80U will not come on. tried plugging tv directly into wall, no go. someone somewhere suggested holding power button down for 10 seconds, did that. no response with remote,...


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.

Aug 24, 2010 | Panasonic VIERA TH-65PV500 65 in. Plasma...

1 Answer

Panasonic viera making noise from the back even with tv sound off


That is often a capacitor on one of the boards making that sound.  It is actually normal and does not usually mean that there is anything wrong with the TV.  This happens often with computer parts and well, and sometimes gets as bad as a high pitched squeal.

Mar 30, 2009 | Panasonic Viera TH-42PX80U Plasma TV

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