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Samsung 240T on screen ripple effect

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    #1

    Samsung 240T on screen ripple effect

    Samsung 240T just arrived. Works fine except that the screen image shows the following:

    Bands of 45 degree cross-hatching, maybe 1.5" - 2" tall, slowly make their way from the bottom of the screen to the top. There are two bands maybe 3" - 4" apart visible at all times. An image is attached, one band can be seen immediately below the NavStudio, RealPlayer, NTest icons.

    Al Moodie.
    Attached Files
    Tags: None
    #2
    Re: Samsung 240T on screen ripple effect

    Originally posted by almoodie
    Samsung 240T just arrived. Works fine except that the screen image shows the following:

    Bands of 45 degree cross-hatching, maybe 1.5" - 2" tall, slowly make their way from the bottom of the screen to the top. There are two bands maybe 3" - 4" apart visible at all times. An image is attached, one band can be seen immediately below the NavStudio, RealPlayer, NTest icons.

    Al Moodie.
    60 (or 120) Hz hum bars?

    PlainBill
    For a number of reasons, both health and personal, I will no longer be active on this board. Any PMs asking for assistance will be ignored.

    Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.

    Comment

      #3
      Re: Samsung 240T on screen ripple effect

      Try moving the monitor elsewhere to see if it's RFI/hash from switching power supplies or the newer electronic "ballasts" of overhead fluorescents.

      Comment

        #4
        Re: Samsung 240T on screen ripple effect

        The SMPS caps and bad cap on the regulator on the mainboard. Sometimes a regulator oscillate because of insufficient filtering.

        Cheers, Wizard

        Comment

          #5
          Re: Samsung 240T on screen ripple effect

          I agree.

          I've come across this several times on some acer monitors. Each time it was fixed by recapping the power supply.

          Comment

            #6
            Re: Samsung 240T on screen ripple effect

            Thanks Wizard and aliasdck, I intend to recap everything, parts arrived today.

            Monitor has developed another problem, a thin horizontal runs across the screen about 1" from top, image attached. Sometimes it's there sometimes it's not. Can this be fixed.

            Al Moodie.
            Attached Files

            Comment

              #7
              Re: Samsung 240T on screen ripple effect

              Did the recapping cure the cross hatch problem? I have a Samsung 210T that has similar appearance. I didn't recap yet - I found a wire out of the connector to the LCD panel - plugged in properly monitor worked.

              Comment

                #8
                Re: Samsung 240T on screen ripple effect

                Originally posted by PlainBill
                Thank You' to everyone who wished me well. I'm back - sorta. More information is here.
                Bill that link doesn't work for me. Curious.
                Friends don't let friends buy Samsung ....

                Comment

                  #9
                  Re: Samsung 240T on screen ripple effect

                  Originally posted by pedro
                  Bill that link doesn't work for me. Curious.
                  Yes, it is. It worked for me. Here's the link in the clear.

                  https://www.badcaps.net/forum/showpo...9&postcount=11

                  PlainBill
                  For a number of reasons, both health and personal, I will no longer be active on this board. Any PMs asking for assistance will be ignored.

                  Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.

                  Comment

                    #10
                    Re: Samsung 240T on screen ripple effect

                    Originally posted by pedro
                    Bill that link doesn't work for me. Curious.
                    It didn't work for me either, and I'm just as curious!
                    Attached Files

                    Comment

                      #11
                      Re: Samsung 240T on screen ripple effect

                      Here is what we are seeing as a message when we click on your link...

                      "retiredcaps, you do not have permission to access this page. This could be due to one of several reasons:
                      Your user account may not have sufficient privileges to access this page. Are you trying to edit someone else's post, access administrative features or some other privileged system?
                      If you are trying to post, the administrator may have disabled your account, or it may be awaiting activation."

                      Originally posted by PlainBill
                      Yes, it is. It worked for me. Here's the link in the clear.

                      https://www.badcaps.net/forum/showpo...9&postcount=11

                      PlainBill
                      --- 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.

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                      Comment

                        #12
                        Re: Samsung 240T on screen ripple effect

                        its in the VIP sub-forum.. that's why you can't see it

                        http://bambooz.pytalhost.net/badcaps/plainbill-post.jpg

                        edit: to plainbill: if you don't want this to be visible for everyone, drop me a PM. i'll delete the screenshot as i won't be able to edit the post (10min. limit)

                        Comment

                          #13
                          Re: Samsung 240T on screen ripple effect

                          Sorry, guy. This was entirely my mistake. Apparently when they removed the cataract they also removed a portion of my brain.

                          <Background> When my opthamologist recommended cataract surgery I wanted to gather feedback that would be a little more personal than the information available on Web MD, etc. Given the choice of forums here, The VIP Room seemed most appropriate. UNFORTUNATELY, that's restricted to those with 100 posts or more.

                          Rather than hijack a bunch of threads, I've posted the results in a new thread in the PROPER forum (Off Topic / Lounge), and (hopefully) updated the link in my signature.

                          Let's give it a try.

                          And thanks for your patience.

                          PlainBill
                          Last edited by PlainBill; 05-23-2010, 10:48 PM.
                          For a number of reasons, both health and personal, I will no longer be active on this board. Any PMs asking for assistance will be ignored.

                          Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.

                          Comment

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