Question about Panasonic TH-50PZ800U 50 in. HDTV Plasma TV
Try to replace power supply board or look for any leak capacitors inside or within power supply board then replace it to fix your TV...
hope ti helps..
Posted on Dec 23, 2011
I would suggest you try different power points in your house to eliminate whether the cause of the problem is based on your TV.
If it is the TV check the cable for any damage. you can view more detailed information at http://www2.panasonic.com/consumer-electronics/support/Televisions/VIERA-Plasma-HDTVs/Operating-Instructions/model.TH-50PZ800U.O#ts
There is also a guide for the warranty of the unit.
Posted on May 23, 2011
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Posted on Jan 02, 2017
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Let verify first to narrow down to where the problem can be. First, make sure the MUTE or SAP function is not activated, then check the on screen sound set up menu to make sure the speakers are not set to OFF. If the setting is OK, then attach the powered PC speakers to the Audio Line out RCA jacks (Red and White) to see if you can get the sound there, if you do, then the problem can be in the power amp circuits, if you do not get the sound at RCA jacks, then the problem can be in the sound processor circuit. Please post back what you find.
Basic troubleshooting guide here:
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
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, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.
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