I recently purchased a Samsung PS50P91FD 50 in plasma and when turned on after approx 15 minutes it makes a crackling noise from all around the front of the screen. Sounds like the front plastic cover? I think it may be heat related? Is there a way to fix this? A Samsung tv technician came around and said it was the first time he encountered it and that there was nothing he could do.He said it was a physical problem. He opened the unit and tightened all screws but the problem sounds like it has worsened. I opened the unit and loosened the screws but the noise still persists. This is the second tv as the retailer i bought it from exchanged the first one as it had the same problem. Any help please?
Try loosening the mounting screws in the rear. From what I understand, there is excessive metal on metal causing this noise. ( heat related). I removed all the screw and it seems a little better. Sometimes I want to put my foot through it. I'll never get a Samsung plasma again!
Hi there mate i was just reading your article and wandered if u managed to get it repaired! if not i was wandering if you were interested in selling it as i have the same tv with hardware issues! just a stab in the dark! my addy is email@example.com
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that it is likely a power supply problem. It starts with a loud popping
or crackling noise and then the set goes dead, except for a flashing red
light on the front. best thing to do here is to unplug it from the power for a good min or 5 make sure the TV is not hot and try plugging it back in , also Plasma TVs and Samsung have had this problem for a long time this is the info i found for you.
The Panasonic Viera 50-inch plasma TV has received rave reviews from the
media and consumers alike. Panasonic encountered problems with its
plasma TVs last year, both due to degradation of the picture quality
over time, which was much publicized due to a class action lawsuit filed
over that defect, and for a power supply issue that was far less
publicized, but for which there are many negative reviews online. So far
this year, though, the reviews have been much more positive. I would
like to share, however, that my experience has been less than positive
in hopes of helping others who have had the same problem and in
providing another viewpoint for those considering purchasing this TV.
Hi, this is quite a common problem for plasma screens and LCD screens. The fluroscent backlight is more than likely faulty and would need replacing. The best thing to do is to take it to a service centre because there are no user servicable parts inside the plasma.
You should call for warranty service. If the set is very new try to get it exchanged.
There are some very heavy duty power supplies and many high power matrix drivers used in Plasma sets.
The description sounds like the noises are very loud. It is normal with any of these TV sets, if you put your ear right up to the back of the set at the vent holes you will hear some noises. These would be some acoustic harmonics from the power supplies and related circuits.
I am wondering if it is possible that there is something that is becoming less stable. If the set is working very well without any failure, so-far this is a very good sign. Before it gets to be a problem, I would have this checked.
On many models of these sets, they use fans for cooling specific areas. A bad fan can cause noise.
Need more info on the unit.
Model, Serial # and Version # on side of unit. It sounds like you either have powersupply problems or cold solder joints in the power supply. Resoldering board may solve your problems.
Let me know, Have a good day. Jay