tektronix ths720 schematic needed

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  • ivcho_gd
    Member
    • Feb 2019
    • 11
    • Bulgaria

    #1

    tektronix ths720 schematic needed

    Hello, I have a problem with ch2 of tektronix ths720 scope.
    It suddenly stop working and indicate input.
    do you have any suggestions for troubleshooting or schematic to check.
    Thank you!
    Attached Files
  • tester272001
    Senior Member
    • Apr 2011
    • 91
    • USA

    #2
    Re: tektronix ths720 schematic needed

    service manual here:
    https://www.tek.com/en/oscilloscope/...service-manual

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    • ivcho_gd
      Member
      • Feb 2019
      • 11
      • Bulgaria

      #3
      Re: tektronix ths720 schematic needed

      Thank you! I also found it but I need board schematic.

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      • stj
        Great Sage 齊天大聖
        • Dec 2009
        • 30993
        • Albion

        #4
        Re: tektronix ths720 schematic needed

        the trace works so it's in the analog rectfier/divider area.
        why not use the working channel to follow the signal through the bad channel till you lose it?
        does switching ranges or going between AC and DC have any effect?

        Comment

        • ivcho_gd
          Member
          • Feb 2019
          • 11
          • Bulgaria

          #5
          Re: tektronix ths720 schematic needed

          Thank you, I'll check and give feedback.

          Comment

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