Mitsubishi WS-65611... has blue bulb bowed,,

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  • cadar21
    Senior Member
    • Oct 2010
    • 53

    #1

    Mitsubishi WS-65611... has blue bulb bowed,,

    hi guys my tv has bowed ... i recentlyreplaced the caps on the dm board after a neighborhood power-outage left my tv blinking....
    2 months later the blue light bowed ...
    i will try to include pictures
  • cadar21
    Senior Member
    • Oct 2010
    • 53

    #2
    Re: Mitsubishi WS-65611... has blue bulb bowed,,

    here are the pics
    Attached Files

    Comment

    • tom66
      EVs Rule
      • Apr 2011
      • 32560
      • UK

      #3
      Re: Mitsubishi WS-65611... has blue bulb bowed,,

      Convergence amplifier for the blue channel has failed, it is replaceable (STK module.)
      Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
      For service manual, schematic, boardview (board view), datasheet, cad - use our search.

      Comment

      • cadar21
        Senior Member
        • Oct 2010
        • 53

        #4
        Re: Mitsubishi WS-65611... has blue bulb bowed,,

        thanks Tom66 for your reply..sorry for not getting back to this post , work has been busy,
        so anyways. i did read in ( google--other forums ) it was a likely cause.. the stk. module...
        also read they get loose and a quick solder should fix the job...
        Do you know what # on the chip it is.???
        its the one located under the Big heat-sink =right???

        Comment

        • tom66
          EVs Rule
          • Apr 2011
          • 32560
          • UK

          #5
          Re: Mitsubishi WS-65611... has blue bulb bowed,,

          Not sure what the chip # is but it's usually mounted vertically on a large heatsink... there are two of them each drives three channels (order could be red H, red V, green H, green V, blue H, blue V, but not always...) If you trace the coils from the blue CRT (which will be indicated on the CRT usually) you will find which amplifier feeds what in most cases. Most users would however suggest replacing -both- amplifier chips at the same time, I believe they're around $15 a piece so worth doing both.
          Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
          For service manual, schematic, boardview (board view), datasheet, cad - use our search.

          Comment

          • cadar21
            Senior Member
            • Oct 2010
            • 53

            #6
            Re: Mitsubishi WS-65611... has blue bulb bowed,,

            that sounds like the best--plan...
            all we need is to know the chip..

            Comment

            • tom66
              EVs Rule
              • Apr 2011
              • 32560
              • UK

              #7
              Re: Mitsubishi WS-65611... has blue bulb bowed,,

              Typically is printed on the chip. Post a picture of the boards in the set.
              Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
              For service manual, schematic, boardview (board view), datasheet, cad - use our search.

              Comment

              • cadar21
                Senior Member
                • Oct 2010
                • 53

                #8
                Re: Mitsubishi WS-65611... has blue bulb bowed,,

                i havnt gotten to disassemble the board yet...h0pefully this weekend

                Comment

                • cadar21
                  Senior Member
                  • Oct 2010
                  • 53

                  #9
                  Re: Mitsubishi WS-65611... has blue bulb bowed,,

                  oh and i found this...looks like its just one chip...
                  CHASSIS: V21
                  MODELS: WS-65611
                  IC8C01 STK393-110

                  Comment

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