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Schematic or datasheet for Plasma TV buffer chip

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    Schematic or datasheet for Plasma TV buffer chip

    Hi all,

    I'm interested in understanding how a buffer board chip is working. I know there's about 90 outputs per chip to the plasma panel, but I'm more interested to know about the input pins. I guess that some of them are address pins, but I want to know more.

    So far I've found nothing at all. I haven't found any datasheet about the various buffer chips, and I haven't found any schematic for the buffer board using them (Y Buffer Board in Samsung's terminology).

    Any information will make me happy. It can be from any buffer chip or plasma TV manufacturer. I don't really care. All I want is to learn something that will help me troubleshoot plasma TVs in general.

    I already know how to pinpoint a shorted buffer chip. Again I'm searching for technical data about buffer chips.

    Thanks.

    #2
    Re: Schematic or datasheet for Plasma TV buffer chip

    Found this on the web.
    Attached Files

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      #3
      Re: Schematic or datasheet for Plasma TV buffer chip

      Thank you Biruslapio. I've never seen this chip. Usually what I see are Renesas and Panasonic chips. I was not aware that TI was making them also.

      For sure it will help me to learn. Thanks again.

      Comment


        #4
        Re: Schematic or datasheet for Plasma TV buffer chip

        ST also has very useful datasheets, I had no luck finding any Panasonic or Renesas.

        https://category.alldatasheet.com/in...ist=150&cate=4

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          #5
          Re: Schematic or datasheet for Plasma TV buffer chip

          Panasonic - AN16021
          Attached Files

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            #6
            Re: Schematic or datasheet for Plasma TV buffer chip

            Thank you Biruslapio. The ST datasheets are a real gold mine of information. This is strange I never seen a ST chip in a plasma TV.

            And thank you Iotas. The Panasonic chip pinout will be useful. This is very very stange. The datasheet of the Panasonic AN16021 is an exact copy of the SN755870KPZT that Biruslapio sent.

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