HP/Sony CRT Monitor - markings on the screen

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  • SurrealMustard
    Badcaps Veteran
    • Jan 2015
    • 487
    • The United States of America
    #1

    HP/Sony CRT Monitor - markings on the screen

    I recently got an HP A7217A (rebadged sony FW900) monitor that works pretty well, but there's some kind of issue that appears to be with the anti-glare coating (maybe) being damaged. The picture illustrates this better than I could describe it, so those would be worth a look.

    Any ideas as to the cause of the problem and any possible ways to fix it? I've tried all kinds of standard cleaning strategies.
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    • kc8adu
      Super Moderator
      • Nov 2003
      • 8832
      • U.S.A!
      #2
      Re: HP/Sony CRT Monitor - markings on the screen

      kids using it for a chalkboard?
      looks like you will need to strip the antiglare to fix.

        Comment

        • SurrealMustard
          Badcaps Veteran
          • Jan 2015
          • 487
          • The United States of America
          #3
          Inquiry

          Originally posted by kc8adu
          kids using it for a chalkboard?
          looks like you will need to strip the antiglare to fix.
          No, I got it like that. Any ideas as to how to get that antiglare coating off?

            Comment

            • R_J
              Badcaps Legend
              • Jun 2012
              • 9622
              • Canada
              #4
              Re: HP/Sony CRT Monitor - markings on the screen

              Thats part of the crt glass, you would need a glass polishing compound like cerium oxide, but then the screen would end up being shinny.
              Last edited by R_J; 03-04-2015, 11:31 AM.

                Comment

                • stj
                  Great Sage 齊天大聖
                  • Dec 2009
                  • 31278
                  • Albion
                  #5
                  Re: HP/Sony CRT Monitor - markings on the screen

                  did you try wiping it with glass cleaner, vinegar, white spirit etc.?

                    Comment

                    • SurrealMustard
                      Badcaps Veteran
                      • Jan 2015
                      • 487
                      • The United States of America
                      #6
                      Markings

                      Originally posted by stj
                      did you try wiping it with glass cleaner, vinegar, white spirit etc.?
                      A little progress has been made since last time. I've had very minimal results with glass cleaner, Formula 409, and SimpleGreen. The most success I've had so far is Magic Eraser drenched in Formula 409, but that's still pretty slow going too.

                        Comment

                        • Sparkey55
                          Badcaps Legend
                          • Jan 2010
                          • 1523
                          • USA
                          #7
                          Re: Markings

                          Originally posted by SurrealMustard
                          A little progress has been made since last time. I've had very minimal results with glass cleaner, Formula 409, and SimpleGreen. The most success I've had so far is Magic Eraser drenched in Formula 409, but that's still pretty slow going too.
                          Something that I would try, (because I am nuts anyway) is to take the crt completely out and use carb cleaner on the face. Do not get any carb cleaner on plastics or the Dag coating.

                            Comment

                            • SurrealMustard
                              Badcaps Veteran
                              • Jan 2015
                              • 487
                              • The United States of America
                              #8
                              Fixed!

                              After a few days of intense scrubbing with Formula 409 and Magic Eraser, I finally got the rest of that coating off.

                              It took a lot of effort, but it was definitely worth it. Now the monitor looks good whether it is on or off.

                                Comment

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