KDL-32S2010 display on/off issues

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  • OpenCirc
    New Member
    • May 2015
    • 4
    • England

    #1

    KDL-32S2010 display on/off issues

    Hi, I have a Sony KDL-32S2010 which seems to be switching the display off after about 5-10 seconds, the power led remains green and constant the entire time. The screen doesn't stay on long enough to do much but I can see it display information such as AV1 and I can bring the menu's up before I hear an internal click and the screen goes black, after a few seconds the displays available again but it keeps cycling in this manner.

    I know it's not likely to be the PSU (APS-220 1-869-132-12) simply because I've already tried replacing it with a known working replacement and get exactly the same result.

    I'm beginning to wonder if it could be something to do with the T-CON Board 320WSC4LV1.1 but I'm really just guessing, it's been a long long time since I did any fault finding of this nature and I don't have the equipment to do any testing which you can't use a multimeter for. All I can really tell you is that the fuse on the T-CON board hasn't blown as I've done a continuity test on it. I did some quick readings on the SMC capacitors and one of them (I think its C378 is registering about 96 ohms which seemed a little odd to me as all the others are much higher.

    Does anyone have some ideas of where I should be turning my attention? I'm only trying to fix this for my own amusement and I can obtain a replacement board for little cost but don't want to start throwing money at buying multiple boards until I get the right one.

    Many thanks
    Attached Files

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  • newtothis
    Badcaps Legend
    • Mar 2013
    • 1556
    • england

    #2
    Re: KDL-32S2010 display on/off issues

    pictures of all boards and over layout so we can see it all connected together to start with.

    Won't be TCON

    Be either Main/Inverter or Lamps.

    Comment

    • OpenCirc
      New Member
      • May 2015
      • 4
      • England

      #3
      Re: KDL-32S2010 display on/off issues

      Hi, please see the attached pictures as requested, they are TCON, Main, Tuner1, Tuner 2, HDMI, PSU, Inverter and overview.
      Attached Files

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