Sharp MX-3570 Operation Panel blank

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  • chatkal
    Technician
    • Aug 2015
    • 47
    #1

    Sharp MX-3570 Operation Panel blank

    Hi guys! Need help!

    Sharp MX-3570N - Operation panel is blank, but copier boots normally and if you tap the place on the Operation Panel where "Copy" icon resides the copier makes copies.
    When you print from PC - it prints. Web page of the copier is accessible as well. It just Oper Panel that gives problem.

    Operation panel ass'y and LVDS PWB replaced
    Flat cable from MFPC to LVDS PWB replaced.
    Harness from MFPC to LVDS - replaced
    MFPC board - replaced
    DС PWB - replaced
    Fuser F10 next to CN33 on MFPC - OK

    Still no effect. Operation Panel stays blank

    Any ideas?
    Thanks in advance!
    Tags: copier, mfpc, operation, panel, replaced
    • repn1999
      Trusted Tech

      250+ Posts
      • May 2010
      • 310
      #2
      Re: Sharp MX-3570 Operation Panel blank

      was this a new LVDS board or one from Hytec? we had one that was bad from Hytec. Same symptom.

        Comment

        • chatkal
          Technician
          • Aug 2015
          • 47
          #3
          Re: Sharp MX-3570 Operation Panel blank

          Originally posted by repn1999
          was this a new LVDS board or one from Hytec? we had one that was bad from Hytec. Same symptom.

          It was the board from the working identical machine. Same model.

            Comment

            • moose55
              Trusted Tech

              Site Contributor
              100+ Posts
              • Mar 2017
              • 143
              #4
              Re: Sharp MX-3570 Operation Panel blank

              Msata card?
              The Moose is loose!!

                Comment

                • pmillard
                  Junior Member
                  • Jun 2019
                  • 2
                  #5
                  Re: Sharp MX-3570 Operation Panel blank

                  Originally posted by chatkal
                  Hi guys! Need help!

                  Sharp MX-3570N - Operation panel is blank, but copier boots normally and if you tap the place on the Operation Panel where "Copy" icon resides the copier makes copies.
                  When you print from PC - it prints. Web page of the copier is accessible as well. It just Oper Panel that gives problem.

                  Operation panel ass'y and LVDS PWB replaced
                  Flat cable from MFPC to LVDS PWB replaced.
                  Harness from MFPC to LVDS - replaced
                  MFPC board - replaced
                  DС PWB - replaced
                  Fuser F10 next to CN33 on MFPC - OK

                  Still no effect. Operation Panel stays blank

                  Any ideas?
                  Thanks in advance!
                  SCN MFPC PWB CN33 P38 CCFT is back light which goes to CN1 P3 of LVDS PWB, if everything works but no light check this. Then check CN 5 P7 of LVDS PWB to CN5 P6 of LCD

                    Comment

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