Question about Philips 50PFP5332D 50 in. Plasma Television

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Blue power indicator light is on. No picture and a Constant clicking noise coming from back of tv. I look inside the back of TV and see a light that is trying to come on but after the click it just go's back out.

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Before we proceed, kindly provide few details :-

1. How old is the TV?
2. Is there any sequence of the blinks, like 2 blinks then pause followed by 2 blinks? If yes, kindly mention the same.


Posted on Jul 20, 2010

  • 1 more comment 
  • harley60210 Jul 20, 2010

    I got the TV from BI-MART 2 years ago, it was the display unit. The light is consistant on/off in with the clicking sound.

  • harley60210 Jul 20, 2010

    Taran 2005 , did you get my answer.

  • taran_2005
    taran_2005 Jul 20, 2010

    Thanks for your response!!

    This is almost certain to be a hardware failure. There could be a couple of reasons which are quite common on these models.One is the power supply board and the other is Z sustain board.

    You will need to remove the back cover to
    troubleshoot the plasma you will also need a digital multimeter. I will
    bet you have a defective Z sustain but you have to be sure you dont want
    to through your money away by shotguning the set with boards.

    look for missing voltages at power on each connector (not just Vs and
    Ve look at all the voltages they are marked on label near the top of the
    panel) should be labled with the proper voltage. If you have one start
    with the missing voltage and troubleshoot back, it is hard to say what
    the ultimate failed components would be but you should be able to track
    it to one board.

    Rule 1 is troubleshooting is "start with
    your sense"

    1. Look
    2. Smell
    3 Listen
    Touch (not recommend)

    These are the best giveway, if it looks
    damaged it is if it smells burn it is, if it sounds wrong it is

    Look - examine each component on the board look for something burnt,
    swollen or distorted, and look at the fuses.

    2. Smell - Smell
    around the set see if you can smell a burning smell on any of the boards

    3. Listen- Listen for a buzz or an arc out of one of the board,
    it may be normal but unlikely if you have a defect.

    4. Touch-
    Important because if the parts are getting hot then they are running,
    but if they stay cold they are not.

    As for touch not the
    best idea on a power supply there is a high risk of shock, as some of
    the heat sink may not share ground and possible have a potential to
    earth ground between 5-500 volts.

    You will need a DMM to
    check the diodes and the transistor non should read a short, if any do
    you will need to remove it and check it out of circuit if the component
    is not shorted but the short is still in circuit use the schematic to
    follow the leads to where else the short could be coming from and

    Next remove the connector connecting to Y sustain
    and the Z sustain to the power supply and attempt to power the set on
    if the set powers with the connectors disconnected you have more than
    likely identified the issue as a failed sustain board now to go further.

    Now reconnect the power connect to the y
    sustain and see if the set powers remember you will not get a picture
    but the lights on the front should stay light.If the y
    main connected causes the set to act up remove the buffer boards and
    attempt again, if the y still causes the issue you have a failed y
    board. If disconnecting the buffer resolved the issue you have failed
    buffers and possible a failed panel, try replacing the buffers.If
    the Y board connected the set still light normal disconnect the board
    and connect the z sustain and test the same as the y, if that causes the
    issue replace the z.

    In my personal experience I would at
    least have the set professional examined most good shops charge less
    then $50 mine only charges $25 so it would be worth at least getting an

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!



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