How to Open Case on Westinghouse LCM-22W2

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  • alight
    New Member
    • Jul 2010
    • 8

    #1

    How to Open Case on Westinghouse LCM-22W2

    I'm a noob that had great success with my broken Samsung monitor after following the advice on these pages and replacing some bad caps. You guys are great!

    Now my Westinghouse LCM-22W2 is no longer working and after running through the forums, I've got some great ideas on where to start. But, I'm stumped on step one - opening the silly plastic case! I'm guessing there are some plastic clips need to carefully be pried apart - but I don't know where they are. I'd love some advice on dis-assembly.

    Here are a couple of pics of the case in case anyone can edit or point me to the right procedure.
    Attached Files
  • alexanna
    Member
    • Mar 2010
    • 1346

    #2
    Re: How to Open Case on Westinghouse LCM-22W2

    Remove the Stand there is a plastic cover hiding the screws, and four screws at each corner of the monitor.
    Sorry there are no four screws at the corners.It most likley has snaps
    Last edited by alexanna; 02-12-2011, 12:59 PM. Reason: no screws
    Whatever I do, I consider it a success, if in the end I am breathing, seeing, feeling and hearing!

    Comment

    • sabre504
      Badcaps Veteran
      • May 2010
      • 449
      • United Kingdom

      #3
      Re: How to Open Case on Westinghouse LCM-22W2

      Not exactly the same monitor (22W3) but should come apart the same
      Attached Files

      Comment

      • alight
        New Member
        • Jul 2010
        • 8

        #4
        Re: How to Open Case on Westinghouse LCM-22W2

        Thanks for all the help. There was a small cover that just snapped over the center of the back - with that pryed off I was able to get to the four screws that held the stand on. Then I used an iPOD tool to pry apart the plastic case.

        Anyway - some photo's attached for the next guy who has to open one of these. After getting to the motherboard - I found three 220uf CapXon Caps that were bulged. Using other data from this site I ordered new caps from Digi-Key

        (part number and description)
        493-1549-ND CAP 220UF 25V ELECT HE RADIAL 220UF CAP

        Will let you know how it goes..
        Attached Files

        Comment

        • Nicks84
          Member
          • Feb 2011
          • 22

          #5
          Re: How to Open Case on Westinghouse LCM-22W2

          Originally posted by alight
          Then I used an iPOD tool to pry apart the plastic case.
          Did you use to tool to unsnap the clips at the bottom? There are like 4 or 5 of them. To pop them open, just push the tabs in with a small screwdriver (or anything that is small and stiff enough), you have go through the slits. They will make a popping sound when they come unlatch and the 1/2 will separate slightly. Work you way across the board till you get all of them othewise if you just pry it open, you will break the tabs. But I suppose it's not the end of the world. The top does not have them so it just opens like a suitcase once the bottom tabs are popped.

          You probably did that though, but the post was a bit unclear. I only mention this because I was told to just pry it open and I broke a tab in the process. You can easily see them if you look through the slits with a light.




          Originally posted by alight
          Anyway - some photo's attached for the next guy who has to open one of these. After getting to the motherboard - I found three 220uf CapXon Caps that were bulged. Using other data from this site I ordered new caps from Digi-Key

          (part number and description)
          493-1549-ND CAP 220UF 25V ELECT HE RADIAL 220UF CAP

          Will let you know how it goes..
          I have this same monitor and I am also replacing all the caps in the board, it seems pretty recommended, even though only the capXon caps appeared bulging in mine. Also, don't miss that brown cap at the bottom between the big cap and the rest, it's a capXon as well. It was not bulging on mine but I'm going to replace it anyways, as the rest are bad. But I almost missed it.

          I have selected all cap replacements on Digikey, but have yet to make the purchase until further confirmation that I found suitable caps. I am curious as to how it works out for you. What problem exactly is your lcd having? I wonder if it is doing the same thing as mine. A freind of mine has one too, hers just started doing what mind did. We bought them at the same time.

          Comment

          • Nicks84
            Member
            • Feb 2011
            • 22

            #6
            Re: How to Open Case on Westinghouse LCM-22W2

            Originally posted by alight
            Then I used an iPOD tool to pry apart the plastic case.
            Did you use to tool to unsnap the clips at the bottom? There are like 6 of them. To pop them open, just push the tabs in with a small screwdriver (or anything that is small and stiff enough), you have go through the slits. They will make a popping sound when they come unlatch and the 1/2 will separate slightly. Work you way across the board till you get all of them othewise if you just pry it open, you will break the tabs. But I suppose it's not the end of the world. The top does not have them so it just opens like a suitcase once the bottom tabs are popped.

            You probably did that though, but the post was a bit unclear. I only mention this because I was told to just pry it open and I broke a couple tab in the process. You can easily see them if you look through the slits with a light.




            Originally posted by alight
            Anyway - some photo's attached for the next guy who has to open one of these. After getting to the motherboard - I found three 220uf CapXon Caps that were bulged. Using other data from this site I ordered new caps from Digi-Key

            (part number and description)
            493-1549-ND CAP 220UF 25V ELECT HE RADIAL 220UF CAP

            Will let you know how it goes..
            I have this same monitor and I am also replacing all the caps in the board, it seems pretty recommended, even though only the capXon caps appeared bulging in mine. Also, don't miss that brown cap at the bottom between the big cap and the rest, it's a capXon as well. It was not bulging on mine but I'm going to replace it anyways, as the rest are bad. But I almost missed it.

            I have selected all cap replacements on Digikey, but have yet to make the purchase until further confirmation that I found suitable caps. I am curious as to how it works out for you. What problem exactly is your lcd having? I wonder if it is doing the same thing as mine. A freind of mine has one too, hers just started doing what mind did. We bought them at the same time.

            Comment

            • alight
              New Member
              • Jul 2010
              • 8

              #7
              Re: How to Open Case on Westinghouse LCM-22W2

              Originally posted by Nicks84
              Did you use to tool to unsnap the clips at the bottom? There are like 6 of them. To pop them open, just push the tabs in with a small screwdriver (or anything that is small and stiff enough), you have go through the slits. They will make a popping sound when they come unlatch and the 1/2 will separate slightly. Work you way across the board till you get all of them othewise if you just pry it open, you will break the tabs. But I suppose it's not the end of the world. The top does not have them so it just opens like a suitcase once the bottom tabs are popped.
              .
              Yes, I used the iPOD plastic tool for this and it worked out fine.

              Originally posted by Nicks84

              I have this same monitor and I am also replacing all the caps in the board, it seems pretty recommended, even though only the capXon caps appeared bulging in mine. Also, don't miss that brown cap at the bottom between the big cap and the rest, it's a capXon as well. It was not bulging on mine but I'm going to replace it anyways, as the rest are bad. But I almost missed it.

              I have selected all cap replacements on Digikey, but have yet to make the purchase until further confirmation that I found suitable caps. I am curious as to how it works out for you. What problem exactly is your lcd having? I wonder if it is doing the same thing as mine. A freind of mine has one too, hers just started doing what mind did. We bought them at the same time.
              Can you list the DigiKey numbers? I just soldered in the 3 new 220uF caps, but got the same behavior. Screen flashes on for just a fraction of a second, then goes black. I think I need to replace some more caps - but have trouble getting the right part numbers on DigiKey.

              Please let us know how your repair goes!

              Comment

              • retiredcaps
                Badcaps Legend
                • Apr 2010
                • 9271

                #8
                Re: How to Open Case on Westinghouse LCM-22W2

                Originally posted by alight
                I think I need to replace some more caps - but have trouble getting the right part numbers on DigiKey.
                "2 seconds to black" can be caused by

                a) bad caps
                b) bad inverter transformer
                c) bad ccfl or ccfl wiring
                d) bad sense circuitry

                The above are discussed at starting with post 13 and 14

                https://www.badcaps.net/forum/showthread.php?t=10419

                If you live in the USA, follow PlainBill's instructions to order Panasonic FR, FM, or FC (i.e. FR > FM > FC in terms of preference) from digikey at

                https://www.badcaps.net/forum/showpo...33&postcount=2
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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

                • Falconcat1
                  New Member
                  • Jul 2011
                  • 1

                  #9
                  Re: How to Open Case on Westinghouse LCM-22W2

                  Thank you for all the information contained in the above posts.
                  However, I must be doing something wrong!
                  I have removed the front plastic panel of the screen.
                  I have removed all screws from the back of the plastic panel
                  The top and side of the screen and mother board are free and I'm able to look inside.
                  The bottom of the screen and mother board are still attached to the back panel and do not want to move.
                  I don't see any clips or screws holding it down.
                  How do I free the bottom of the screen from the plastic back panel?
                  Thanks

                  Comment

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