Question about Samsung HPT5054 50 in. HD-Ready Plasma Television

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Samsung Plasma HPT4264X/XAA. No power. Clicking noise. Common problem. I'm told that the capacitator problem only happens with LCD, but it sounds the same as many consumer complaints. Are Capacitators PART of power board? Is this a manufacturiong defect for which Samsung SHOULD BE responsible?

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Hi


Thanks for using FixYa. Don't think Samsung should be responsible for this as a plasma TV is a very hard working device. It is working harder than any TV that has been built before, and as a result it produces a lot of heat. 75% of technical problems in plasma TV's are caused by overheating problems. You’ll need to check the power supply board first for any swollen/bulged capacitors. As power supply board is the hardest working board in a plasma TV, it develops voltage to supply all components, high current + high voltage. All this is only recommended if you have electrical expertise & know how to solder/re-solder components as these units contain high voltages even when switched off. This kind of issues in plasmas usually occur after 3-4years. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Posted on Jul 11, 2010

  • donnazor Jul 11, 2010

    Hey Rylee - Thank you. The fact that this is a "hard-working" component in no way absolves Samsung from their responsibility to provide a decent product that will last (maybe) 10 years. I'm not expecting the level of endurance that my old Sony Trinitron displayed (still chugging along after 20+ years), but 3 years for an item that cost just under $2000.00 is ridiculous. There is such a thing as an "implied" warranty and a breakdown like this, which is apparently shared by many (try "samsung" in consumer affairs), is not justified by the fact that it works hard. Too bad. It should also work longer.

  • donnazor Jul 11, 2010

    Hey Rylee - Thank you. The fact that this is a "hard-working" component
    in no way absolves Samsung from their responsibility to provide a
    decent product that will last (maybe) 10 years. I'm not expecting the
    level of endurance that my old Sony Trinitron displayed (still chugging
    along after 20+ years), but 3 years for an item that cost just under
    $2000.00 is ridiculous. There is such a thing as an "implied" warranty
    and a breakdown like this, which is apparently shared by many (try
    "samsung" in consumer affairs), is not justified by the fact that it
    works hard. Too bad. It should also work longer.


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Capacitors are part of every board, including power board. It is a very common problem for caps to overheat and burn out. Also some have relays that can go bad but not very common, usually it is the caps that go bad. Look for burn marks or swollen caps for a sure sign of a bad one. You can purchase an analog meter to test the caps. That is likely the problem. All tv's have them, not just lcd.

Posted on Jul 11, 2010

  • 1 more comment 
  • donnazor Jul 11, 2010

    Why is Samsung only acknowledging the problem with their LCDs? How much would it cost to replace the power board? Are the capacitators that Samsung uses cheap, underpowered, defective?

  • Nate Stansfield
    Nate Stansfield Jul 11, 2010

    Most capacitors now days are made cheaper. And with such a small space with the flat panel design, they get overheated. The power boards are $135 at partstore.com

  • Nate Stansfield
    Nate Stansfield Jul 11, 2010

    A shop would charge about $350

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