Emerson PL-P42W-10A plasma

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  • Hornnumb2
    Badcaps Veteran
    • Feb 2011
    • 210
    #1

    Emerson PL-P42W-10A plasma

    It will just click on and off twice then nothing. Most voltage reading I only get when it's clicking then gone except standby.
    CN801
    PS On 3.2
    STBY 5.28
    GND 0
    D15v 15.4
    GND 0
    GND 0
    D5.3 5.26
    D5.3. 5.26
    GND 0
    D15v 15.4
    D15v 15.4

    Again only while clicking on do I get correct voltages.

    CN802
    D5.3v. 5.3
    D5.3v. 5.3
    GND 0
    GND 0
    Ps on 3.2
    Vs on 3.2

    CN803
    Not sure if this says V5 or VS
    V5 17-18 range
    V5 17-18 range
    GND 0
    GND 0
    D15v 15

    CN804
    VA 22
    GND 0
    D15 15
    GND 0
    Vs or V5 around 18
    Vs or V5 around 18

    I have replaced power board, the small green board and swap eprom on connection board. I have also have unplugged each board and powered on but to no avail.
    Attached Files
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    • R_J
      Badcaps Legend
      • Jun 2012
      • 9534
      • Canada
      #2
      Re: Emerson PL-P42W-10A plasma

      That will be Vs, there is a sticker on the panel with the correct voltage, It looks like the Vs should be 205Vdc, and the Va 55Vdc
      I suspect you have a problem on either the Y-sus or Z-sus boards
      Last edited by R_J; 02-22-2020, 06:43 PM.

        Comment

        • Hornnumb2
          Badcaps Veteran
          • Feb 2011
          • 210
          #3
          Re: Emerson PL-P42W-10A plasma

          So should I be able to unplug one or the other and it should stay on?

            Comment

            • R_J
              Badcaps Legend
              • Jun 2012
              • 9534
              • Canada
              #4
              Re: Emerson PL-P42W-10A plasma

              Yes you can disconnect the y & z boards, and monitor the voltage on the Vs of the power supply to see if it comes up to 205v.
              Last edited by R_J; 02-22-2020, 09:11 PM.

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