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Samsung PS50P91FD crackling noise

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? It goes away after approx 2 -3 hours of being on.
I think it may be heat related? Is there a way to fox 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 opened the unit and tightened all screws but the problem still persists. This is the second tv as the retailer i bought it from exchanged the first one as it had the same problem.

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  • dennrod May 25, 2008

    Would the crackling noise be coming from the one spot though as in my case it varies from all over the screen. It also makes the noise when the speakers are muted.

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It is the audio board inside

Posted on May 24, 2008

  • Ginko
    Ginko May 24, 2008

    I don't think it is just a vibration on speaker panels, as in this case you should have the problem all the time, not only when tv starts up.
    It is more likely a fault on the sound pcb board, inside tv. The sound board process and amplify the signal directed to speakers. In this case it sounds like a problem with preamp, which is producing a crackling noise until it warms up.
    Check your guaranty terms and contact Samsung, to validate guaranty or to find address for a qualified technician in your area.

    Regards


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