Plasma is 2 years old. Turned it on today. Have sound on all channels, but no picture. Can't use menu solutions because the screen is black. HELP PLEASE. Too expensive to fix at this point, but hoping it's a programming problem.
Usually when you get this problem it is caused by either scan drive pcb or video buffer pcbs or a power supply missing from them,unfortuneatly is not to cheap to repair,would advise get it looked at but make sure you look for est on cost firstly
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Everything is fixable, but it is a 17 year old set, with old technology. In these days of Internet connectible, Smart televisions with 4K picture quality, you would notice a big difference. I would say you have had your moneys worth out of it. Its up to you, service centre, or a new one.
Apr 12, 2007 - Panasonic's internal menu system is intuitive enough, although we disliked the ease with which you can inadvertently erase your picture settings. With a native resolution of 1,366x768, the Panasonic TH-50PX77U matches the resolution of just about every available 50-inch plasma today.
well it sounds like something fried inside the tv. In my experience, this sounds like your y-sustain board went bad. it could be your video board also. considering todays value of the 50" panasonic plasma, it will be cheaper to replace it, unless you are willing to spend around $300 to get it fix at a shop.
The plasma picture tube technology lasts only 24 months before it burns itself out, requiring a new plasma picture tube. The LCD and LED technologies do not suffer from this short life span. If your Philips 50PF9956 is over 2 years old, you've got all the use your plasma can give. Fix: new plasma display - the electronics controlling the plasma display are most likely fine - just like the electronics providing audio to the speakers. Your set's only problem is a burnt-out display.
If the Video (Picture/Pix) is gone but you can hear the Audio (sound), then it could mean the YSUS PCB Assembly is gone/kaput/finish. Can replace the PCB, not repair the PCB due to timing circuitry involve. Cost maybe roughly $500 depending where you located. The PCB is located on the left hand side of your TV when you are facing the back (Back open). Might find 3-4 brown flex membrane connecting to the plasma panel. The PCB has a silver or black aluminum heatsink (big) on it. Good Luck.