Need Help - DELL 19 inch wide screen

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  • weasel440
    Member
    • Aug 2010
    • 23
    #1

    Need Help - DELL 19 inch wide screen

    i was wondering if someone could point me in the direction on what to look for (is there something common). it turns on, but has a white screen. i tried resoldering all spots and diddn't see any bad / bulging caps. i was in the middle of playing a game and just went to a white screen, still had audio but no picture.

    it is a SE198WFP
    any help would be greatly appreciated
    Tags: None
    • retiredcaps
      Badcaps Legend
      • Apr 2010
      • 9271
      #2
      Re: Need Help - DELL 19 inch wide screen

      Originally posted by weasel440
      it turns on, but has a white screen.
      A white screen suggests that there is a problem with your logic card. Also double check/reseat the cables from logic card to the panel.

      Or the board on the LCD panel is bad. Check the fuse on the LCD panel to see if it is open.
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      We respectfully ask that you make some time and effort to read some of the guides available for basic troubleshooting. After you have read through them, then ask clarification questions or report your findings.

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        Comment

        • weasel440
          Member
          • Aug 2010
          • 23
          #3
          Re: Need Help - DELL 19 inch wide screen

          ok can some one chime in what these are circled in red? these (2) have no continuity, the rest of them do. also can some one point out which fuse i should check on this board?

            Comment

            • retiredcaps
              Badcaps Legend
              • Apr 2010
              • 9271
              #4
              Re: Need Help - DELL 19 inch wide screen

              Originally posted by weasel440
              ok can some one chime in what these are circled in red? these (2) have no continuity, the rest of them do. also can some one point out which fuse i should check on this board?
              1) Your pic is too small to see the fine details. In addition, please post pics after reading these instructions.

              https://www.badcaps.net/forum/showthread.php?t=1868

              2) From what I can see, the things that are circled in red are diodes (marked with "D"). To test them, put your multimeter in diode function test. Put black on one side, red on the other. Record measurement. Now reverse the probes and record measurement. One side should read between 0.4 and 0.7V and the other should say "1" or "0L" depending on your multimeter.

              Fuses are normally marked with "F" and are near the incoming connector port (by the cables).

              3) The "panel" is the electronic panel that is usually tacked onto the LCD screen. The picture above is the logic card.
              --- begin sig file ---

              If you are new to this forum, we can help a lot more if you please post clear focused pictures (max resolution 2000x2000 and 2MB) of your boards using the manage attachments button so they are hosted here. Information and picture clarity compositions should look like this post.

              We respectfully ask that you make some time and effort to read some of the guides available for basic troubleshooting. After you have read through them, then ask clarification questions or report your findings.

              Please do not post inline and offsite as they slow down the loading of pages.

              --- end sig file ---

                Comment

                • lucky13
                  Badcaps Veteran
                  • Aug 2007
                  • 412
                  #5
                  Re: Need Help - DELL 19 inch wide screen

                  weasel440,

                  The LCD's logic board (T-con board if it is on a separate board mounted at the back of the LCD panel) is where that flat cable on the left side of your pix goes to.

                  I am quite surprised the number of white screen LCDs I come across these days. 99% of the time it is the panel (after you verify proper voltages are at the p/s).

                    Comment

                    • jetadm123
                      Badcaps Legend
                      • Feb 2010
                      • 2169
                      #6
                      Re: Need Help - DELL 19 inch wide screen

                      Originally posted by lucky13
                      weasel440,

                      The LCD's logic board (T-con board if it is on a separate board mounted at the back of the LCD panel) is where that flat cable on the left side of your pix goes to.

                      I am quite surprised the number of white screen LCDs I come across these days. 99% of the time it is the panel (after you verify proper voltages are at the p/s).

                      Hello lucky13. Other than a blown fuse on the panel board, do you normally find the cause (like a shorted transistor or diode)? Or, is the panel considered non-repairable?

                        Comment

                        • George Ortiz
                          Senior Member
                          • Oct 2009
                          • 51
                          #7
                          Re: Need Help - DELL 19 inch wide screen

                          I have the same monitor. How did you remove the connector the backlights and how did you remove the ribbon cable???

                            Comment

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