Canon NP 6551

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  • alan
    Technician
    • Mar 2008
    • 40
    #1

    Canon NP 6551

    The LCD display of our machine turns dark,cannot read the messages..messages are very faint...have cleaned the connector,the ribbon wire..resolder connections..still same problem..even turning the display control clockwise and counterclockwise does not help...can i ask for any suggestions??THANKS..
    Tags: 551, backlight, canon, connections, connector, control, display, faint, nec, power supply, wire
    • Brian8506
      Service Manager

      Site Contributor
      1,000+ Posts
      • Feb 2009
      • 1655
      #2
      Replace the lcd display

        Comment

        • THUK
          Trusted Tech

          100+ Posts
          • Jul 2008
          • 195
          #3
          hi,what about replacing the power supply for the lcd panel.

            Comment

            • Brian8506
              Service Manager

              Site Contributor
              1,000+ Posts
              • Feb 2009
              • 1655
              #4
              Sounds like you have power but no backlight. If you use a repair service like Nationwide, it may be cheaper to just get an entire panel. I had the same problem a few months back. Panel fixed it.

                Comment

                • teckat
                  Field Supervisor

                  Site Contributor
                  10,000+ Posts
                  • Jan 2010
                  • 16092
                  #5
                  Originally posted by alan
                  The LCD display of our machine turns dark,cannot read the messages..messages are very faint...have cleaned the connector,the ribbon wire..resolder connections..still same problem..even turning the display control clockwise and counterclockwise does not help...can i ask for any suggestions??THANKS..


                  Turn VR 911 to desired brightness located under control panel.
                  **Knowledge is time consuming, exhausting and costly for a trained Tech.**

                    Comment

                    • alan
                      Technician
                      • Mar 2008
                      • 40
                      #6
                      teckat there are two VRs located under the control panel,VR1 VR2 respectively...and these VRs are located in pcb FG5-5202..but not the VR 911 as you have mentioned..

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