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Issue with HP W2338H Monitor

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    #1

    Issue with HP W2338H Monitor

    Getting the 2 seconds to black error. Screen is still on and visible with a flashlight. I have dissembled the monitor and checked for bad caps etc. I have another monitor of the exact same make and I did some experiments first swapping the video board and power board separately to see if I could narrow down the issue. I have come to the conclusion that no bad caps or boards are present. Same issue with the known working components vs the orginal. If I switch the entire screen assembly, the monitor works fine so I am assuming that it is a ccfl issue. Any recommendations where to get the correct parts? Would prefer a modular replacement, as I didn't see how to actually remove the ccfls. Model number on the unit is Samsung LTM230HT01 G03 7w9e12a920
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    #2
    Re: Issue with HP W2338H Monitor

    It works with the power board and the video board on your other monitor? If so, it must be the screen. It couldbe that one of the tubes is faulty and causes the power supply to turn off the inverters.

    Does the screen appear to work fine in those 2 seconds that it works?

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      #3
      Re: Issue with HP W2338H Monitor

      Exactly. Screen functions fine. Back lights are just shutting off.

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        #4
        Re: Issue with HP W2338H Monitor

        You can try ccflwarehouse.com. They carry a complete line of ccfl's.

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          #5
          Re: Issue with HP W2338H Monitor

          Do you hear any buzzing sounds coming from the LCD panel while it is on for the 2 seconds? If so, then defiantly some arching going on with the tubes.

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            #6
            Re: Issue with HP W2338H Monitor

            For a week or so heading up to the failure there was a buzzing noise when the monitor was on. That has gone away since the failure.

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              #7
              Re: Issue with HP W2338H Monitor

              Def a ccfl. Just took them out and found 1 bulb broke. Downside I broke the LCD putting it back together. Any ideas where to get a replacement LCD?

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                #8
                Re: Issue with HP W2338H Monitor

                If you go to eBay and enter LTM230HT01, you'll get several hits.

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                  #9
                  Re: Issue with HP W2338H Monitor

                  Did that already. The revision number is different. Mine is g03. Those are a09 and say touch screen which this monitor isn't. Will those still work?

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