teac le4087fhd stuck on standby

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  • The_Todd
    Senior Member
    • Jul 2017
    • 66
    • Australia

    #1

    teac le4087fhd stuck on standby

    Hello guys,

    I have a Teac tv that the red light it always on,

    After looking into it, it does send the power on signal and these are the readings i get

    5v = 5.4v
    12v = 11.6v (11.9v without load)
    24v = 24.3v

    Nothing seems too bad on the board, I cant see any faults with the componets and the caps look perfect.

    I am a little curious if the slightly lower 12v is causing issues.

    I have also tested with inverter disconected, no difference,

    What do you guys think?



    Cheers,
    Attached Files
  • The_Todd
    Senior Member
    • Jul 2017
    • 66
    • Australia

    #2
    Re: teac le4087fhd stuck on standby

    And mainboard
    Attached Files

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    • Hamie
      Badcaps Legend
      • Apr 2014
      • 1383
      • UK

      #3
      Re: teac le4087fhd stuck on standby

      Here's your fault. Wither you can get a preprogrammed replacment or are able to reprogramme it yourself
      Attached Files

      Comment

      • Hamie
        Badcaps Legend
        • Apr 2014
        • 1383
        • UK

        #4
        Re: teac le4087fhd stuck on standby

        If this matches your panel sticker it should work.

        http://www.ohmsupplies.co.uk/epages/...8&Locale=en_AU

        Comment

        • The_Todd
          Senior Member
          • Jul 2017
          • 66
          • Australia

          #5
          Re: teac le4087fhd stuck on standby

          WOW, thanks, it looks like yo are spot on,

          but now you have opened a Pandora box of learning to me haha

          I like the idea of programing my self, but as far as the chips concerned, whats the chances of reading the BIN off it? including trying to freeze it?

          cheers,

          Comment

          • dskall
            Badcaps Legend
            • Oct 2016
            • 2905
            • usa

            #6
            Re: teac le4087fhd stuck on standby

            https://www.youtube.com/watch?v=Qy8fh-g5DOM
            I assume no responsibility for any stupid suggestions I might post.

            Comment

            • The_Todd
              Senior Member
              • Jul 2017
              • 66
              • Australia

              #7
              Re: teac le4087fhd stuck on standby

              Originally posted by Hamie
              Here's your fault. Wither you can get a preprogrammed replacment or are able to reprogramme it yourself
              Hey just to follow up, one chip reader/writer and a whole lot of reading later I have a working TV, thank you for the help. I will upload the eprom BIN soon.

              Cheers

              Comment

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