Sony KE32TS2U random solarization

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  • Blasma
    New Member
    • Sep 2014
    • 4
    • USA
    #1

    Sony KE32TS2U random solarization

    Sony KE32TS2U has this strange color issue:

    It still has good quality video, but sporatically, there is full screen of the sign of solarization. I guess it may be of some bad soldering work, but cannot trace it.

    I wonder if thereis schematics for the PDP boards:
    1-468-721-11
    NA18107-5017/5016

    Especially the testing posts for Va and Vs.
    Thanks.
    Tags: None
    • Blasma
      New Member
      • Sep 2014
      • 4
      • USA
      #2
      Re: Sony KE32TS2U random solarization

      The problem seems at varying Vs.
      I do not get a fixed value at 80V, it varies from 71 - 79V, depending on the brightness of the video frame. Even for a fixed pattern the value could change within 2 - 3V.

      Any idea about this? A fixed Vs at 80V would definitely cure the problem, but how?
      Please.

        Comment

        • Blasma
          New Member
          • Sep 2014
          • 4
          • USA
          #3
          Re: Sony KE32TS2U random solarization

          I read a previous thread on the similar situation of Vs drop, but through out the thread there seems no solution posted.

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