After playing a dvd half the screen on my plasma went black. Now with any source, tv, satellite, or dvd I only get half the screen the other part is black. is it a repair problem or is a setting screwed up?
Thanks for any advice. Michael
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Re: picture problem, half screen blank
On a plasma there are 2 buffer boards, upper and lower, it all depends which half of the screen is on as to which buffer to replace, the buffer boards are located usually on the left hand side if you have the back off the unit. You maybe able to reseat the ribbon cables and get the video back up
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that is because plasma tvs have a limit on there screen life and if all is done all day for months and months was watching tv ,playing games then you will need a new tv plasmas **** you can get same quality out of a lcd flat panel and three time the screen life or you could spend anthor grand and have the solution replace and maybe the that part of the control board went out and you will spending about half of what you paid for it to fix thats why i have two lcds have not had one problem with them one 32 for my computer and a 42 for me to watch tv ov on play games with and both the same brand and i paid 1200 for both brand new
Is it an LCD or plasma monitor? If it's an LCD, it's possible that one of the fluorescent backlight tubes is bad. In some early ones, this is bonded to the LCD panel so it's not replaceable. Maybe it's under warranty?
The most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board. I can't say it's 100% the problem because I can't actually look at the tv over the internet. If by chance the TV is still under warranty, go that route. If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists. Usually, cost under $20.
Sounds like you lost your High Voltage Power source which lights up your screen. If you don't know anything about TV's do not attempt to fix this problem. The High Voltage Power Supply is around 40,000 Volts!
When only a half screen is produced, it is usually a upper or lower buffer board, if the top half is blank then it is the upper buffer, and of course if it's the bottom half then it's the bottom buffer board
Please let us know more details next time, like what you have tried already.
Try connecting your screen directly to a DVD player or other alternative source to make sure the problem isn't with the source, maybe you were watching cable TV and the connection is slightly loose - Try playing with all the connections, pulling them a little out or pushing in, blowing into them, replacing cables, Try connecting another screen. at the moment its hard to tell what went wrong. Does the sound come from the plasmas speakers, or from a home theatre setup?
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