KM C353 Vertical Lines on Display

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  • ricmartinho
    Trusted Tech

    100+ Posts
    • Jan 2010
    • 142
    #1

    [Electrical] KM C353 Vertical Lines on Display

    Hi everybody!

    I have a problem with a C353 that has flashing vertical lines on display (
    ). The machine works well. I have replaced the Operation Panel but the problem remains. I checked the connections of the display and all seems well.

    Any thoughts on this?

    Thanks and Happy New Year!
    Tags: display, km c353, lines
    • Synaux
      Service Manager

      Site Contributor
      1,000+ Posts
      • Mar 2012
      • 1224
      #2
      Re: KM C353 Vertical Lines on Display

      MFP board?
      Does it flash on and off too?

      TAUS1000755EN
      Last edited by Synaux; 12-31-2013, 05:33 PM.

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        • jotunn
          Senior Tech

          500+ Posts
          • Jan 2010
          • 594
          #3
          Re: KM C353 Vertical Lines on Display

          Failed PWB-MFP:
          - dry joints in connector soldering
          or
          - under NV-RAM there is SDRAM memory module K4S641632N-LC75 by Samsung (IC207) used as video memory for display and I'm 90% sure that there is a problem - replacing this memory chip should help. Laptop or mobile phones service with hot-air or IR soldering station should do the job without problem.

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