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Samsung CRT TV letters or text is shadowing

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    Samsung CRT TV letters or text is shadowing

    Hi.
    I have some problem with old CRT TV Samsung model: CW-29Z338T, 29" size TV.
    The problem is that letters and other text are not clear, text or letters are shadowed on the right side.

    I found 2 capacitors on CRT Picture Tube Board.

    47uF/400V was leaking very bad, the second cap 10uF/250V was bad ESR reading so i replace this cap also.

    Replacement these 2 capacitors did not help nothing.

    I try to reduce brightness, contrast and sharpness. There is very small effect on this shadow.

    To reduce G2 down have more effect but then picture is too dark no matter i can reduce brightness with remote.

    Any solution for this problem?

    Picture 1 is program Travel after the show was over.
    Picture 3 is menu from external Combo SAT receiver.
    Attached Files

    #2
    try replacing C402

    Comment


      #3
      Hi R^J.

      I replace C402 and C404 both 470uF.
      I also check both old caps are ok.

      Comment


        #4
        It is interesting that when the TV is cold, there is some disturbance in the picture, which then disappears slowly. The shadow is still present.

        Comment


          #5
          I made a mistake on the cap, it should have been C422, NOT C402. C422 is a 47µf 250v cap on the 200v supply from the flyback.

          Is this the S63b chassis?
          Attached Files
          Last edited by R_J; 11-22-2024, 11:36 AM.

          Comment


            #6
            Yes the cassis is S63B.
            I also suspect this cap but have no any in stock.
            I need to order it and wait to come.

            Comment


              #7
              If you have another 10µf/250v you could just bridge the 47µf and see if it helps

              Comment

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