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Ve910b - on/off

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    #1

    Ve910b - on/off

    Hi everyone,
    I have three Ve910b monitors that flicker 'on' and 'off'. I took a risk today, and opened them up I was hoping to see many bad caps that I could easily replace Out of all three boards I only found 1 bad cap (at least what I think is a bad cap). Does anyone have any experience with the Ve910b or can help me figure out what is wrong with the boards? Thanks!
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    #2
    Re: Ve910b - on/off

    Please start with posting clear focused pictures of your boards using the manage attachments function. Please do not post inline.

    After seeing the pictures, we can make suggestions.
    --- 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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      #3
      Re: Ve910b - on/off

      Thanks for the reply! Attached are pictures of the boards.

      There are three boards from the three monitors, all were bought around the same time, same models, and all have the same problem. I have named the images with suffix bX where X is the board number (1 to 3).

      On board 1 I noticed a budge in a capacitor, I am thinking this might be causing the problem? But I don't know what it could be on the other boards thanks for helping me out!
      Attached Files

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        #4
        Re: Ve910b - on/off

        I attached four more pictures. I am not sure what angles are the most informative.

        Thanks again!
        Attached Files

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          #5
          Re: Ve910b - on/off

          All I can say is WOW! All three monitors failing at the same time with the same problem. And an unusual board design to boot. The flickering problem is likely caused by bad caps. Yes, that photo of the suspect cap indicates it is definitely bad. The caps that are branded "Elite" are pure junk and should be replaced on sight. Replace them ALL except for the large 450V cap (unless it's bulged or leaking).
          Last edited by jetadm123; 04-17-2011, 06:21 PM.

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            #6
            Re: Ve910b - on/off

            Thanks so much! I will do this tomorrow and will let you know how it goes!

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              #7
              Re: Ve910b - on/off

              I forgot to mention that the replacement caps should be low-esr like the Panasonic FM or FC series that are readily available from digikey.com.

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                #8
                Re: Ve910b - on/off

                Thanks a bunch! Everything works fine now!

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