Zenith Plasma

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  • miyagi
    New Member
    • Apr 2014
    • 6
    • usa

    #1

    Zenith Plasma

    Working on a Zenith Z50PX2D with complaint that contrast must be adjusted every time set is turned on. anyone have any ideas?
  • tw2005
    Badcaps Legend
    • Oct 2011
    • 6458
    • Australia

    #2
    Re: Zenith Plasma

    Without images you could be asking a lot but to have a guess could it be possible the zsus has failed given the age and design of this having ipm which are known to fail.

    Comment

    • miyagi
      New Member
      • Apr 2014
      • 6
      • usa

      #3
      Re: Zenith Plasma

      Customer had tv in bad spot. Sun light was hitting sensor.

      Comment

      • tw2005
        Badcaps Legend
        • Oct 2011
        • 6458
        • Australia

        #4
        Re: Zenith Plasma

        Originally posted by miyagi
        customer had tv in bad spot. Sun light was hitting sensor.
        lol

        Comment

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        • pete g
          zenith plasma tv. the model is Z50PX2D.pix problem
          by pete g
          hi, i have a zenith plasma tv. the model is Z50PX2D. i really love this tv. as of late its coming on with 6 vertical lines of white dots. they flicker, the audio seems to affected also with static sounds. all other aspects of the pic are good. i have good color, and no other problems with picture. can someone help? thanks.
          06-18-2022, 12:10 PM
        • pete g
          zenith plasma Z50PX2D
          by pete g
          Hi, problem is 6 vert lines the width of the screen. Lines are filled with round white dots, also static in sound when dots vary. Anyone know of this problem?
          06-19-2022, 05:32 PM
        • bikerbuddy
          Zenith plasma Z42PX2D 12 flashing green
          by bikerbuddy
          Working on this Zenith plasma TV model #Z42PX2d, On power on the led light blinks 12 times and stay solid green,screen is black . the control board has a red and green led light on . Va voltage is 65v and Vs is 187v all other voltages are present from the power supply that supply the various boards , how can i tell if the IPM is bad or which one ....
          01-06-2021, 12:46 PM
        • r-p
          Maldischarge-link that fixes it with replacing caps
          by r-p
          Starting this thread because Capkid doesn't seem to be reprogramming controlboards anymore (LG 60PZ950 with red maldischarge) and my game-plasma also has maldischarge (Hitachi 42PD3200). So I will grasp at straws to keep them running. I am extremely bad at throwing stuff away.

          Is there any merit to this link?

          Very short version: Specific caps seem to loose their capacitance and/or increase their ESR. This may cause the maldischarge. Replace them with better/bigger/newer ones and problem solved.

          From the limited knowledge I have on the subject, I think...
          01-21-2020, 05:16 PM
        • ArMaaN376
          Samsung PS51E550 Plasma TV
          by ArMaaN376
          Hello,
          I am having Samsung PS51E550 Plasma TV. While the TV was working, a crackling sound heard & video went off with audio still ON. After switching it off & ON, the red LED on TV blinks six times & then off.
          Opened TV cover & observed foll
          a) Green LED on the small PCB blinks at @5-6sec ON & off for 3-4 secs. Red LED on logic board ON
          b)Vs & Va on power supply board raises momentarily to 209v & 58v resp & then drops.
          c) Cold test on Y-main board shows all 3 pins of FGPF4536 IGBT short to Grnd.
          How to confirm Y -Buffer board...
          06-19-2024, 04:05 AM
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