Question about Philips 50PF7320A 50 in. Plasma HDTV

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Plasma television i have a 50 philips plasma tv , and the screen doesnt come on, when i do turn it on it has a squeeling, buzzing sound. i replaced the power supply board , still the same ,the model number is 50pf7220a/37. can sombody help me determine if it is a circuit board or the plasma screen itself. please experts help me out

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  • bigbird1966 Sep 29, 2008

    it was doing the same thing before i replaced the board, any more suggestions greatly appreciated

  • bigbird1966 Sep 29, 2008

    the tv screen will not come on at all, so i cant tell whats going on

  • bigbird1966 Sep 29, 2008

    i kinda figured itis a circuit board with a bad cap, but i would like to fix or replace myself

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WHERE CAN I PURCHASE A CIRUCUT BOARD FOR THIS TV

Posted on Nov 22, 2008

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Before you do anything about your tv, you should take some safety precautions. note that if you dont have any idea about fixing your tv it will cause more trouble. let the technician fix your problem they have tools for replacing the parts of it. better to be safe than be risky.

CHARCOIS

Posted on Sep 30, 2008

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Sounds like you may have a high voltage arc and / or leak . better to let the manufacturer's qualified technician have a look at it this time . ask for an estimate after diagnosis and before repairs are made. factor age plus repair cost v/s a replacement tv . you should not be having these problems on a tv if it is new so double check your warranty. most electronics come with 1 year on parts ,90 days on service. some warranty limitations are not allowed in certain states. also contact the manufacturer . in my experience some of the better companies have honored an expired warranty partially and sometimes even fully on a relatively new product . after all they do have reputation to lose or keep . just be courteous and if your lucky they will be too. but if all else fails, i personally prefer lcd flatscreen for the next tv.


thank you expert daletek who helped provide certain information posted above.

Posted on Sep 29, 2008

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Sounds like a capacitor is blown inside they make a buzzing sound and put out no picture or sound shouldhave a local repair guy look at it as the tv still has hope

Posted on Sep 29, 2008

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Follow the steps below to troubleshoot this issue.
IMPORTANT: This solution assumes the Blu-ray Disc® (BD) player is connected directly to the TV. However, if the BD player is connected to an Audio/Video (A/V) Receiver, the steps given below regarding the TV should also be followed for the A/V receiver.

  1. Ensure the TV is set to the appropriate video input to receive the signal from the BD player. NOTE: Depending on the remote control of your TV, it may have a TV/VIDEO or INPUT button that can change the video input on the TV.
  2. If the issue is not resolved, turn the BD player and TV off.
  3. Ensure the cable between the BD player and TV is securely connected to both products.
  4. Turn on the BD player and TV.
  5. If the issue is still not resolved, try lowering the output resolution using one of the following methods:
    • On the supplied remote control, press the VIDEO FORMAT button twice. (only available for some models)
    • On the front of the BD player, press and hold the STOP button for just over 10 seconds.
    NOTE: Some TVs connected with an HDMI cable may not support a 1080p signal. If the BD player is outputting a 1080p signal, lowering the output resolution may resolve the issue.
  6. Check the Software/Drivers section oN Support Web site for any firmware updates.
  7. If a firmware update is listed, follow the provided instructions to acquire the update.
  8. If the issue is not resolved, try replacing the cable between the BD player and TV.

Posted on Sep 29, 2008

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It has nothing to do with plasma screen the problem is due to lack of proper connection after replacement of circuit board . Better have a check over the connections .

SAM ANDERSON

Posted on Sep 29, 2008

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