Samsung 226bw bad capacitors ?

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  • b700029
    Banned
    • Sep 2010
    • 640
    #1

    Samsung 226bw bad capacitors ?

    Hello,

    Recently, i had problems with my monitor (Samsung 226bw). The problem is for no apparent reason, it has started to flicker very rapidly when I turn it on. So, I checked on the web for a answer. I found that this problems is related to bad capacitor. But, when I opened the monitor, the capacitors seems to be a little bit curved on the top. So, based on the pictures, do you think those capacitors are bad ?

    http://*************/photo/my-images/51/imgp0001x.jpg

    Thanks !
    Tags: None
    • retiredcaps
      Badcaps Legend
      • Apr 2010
      • 9271
      #2
      Re: Samsung 226bw bad capacitors ?

      Originally posted by b700029
      So, based on the pictures, do you think those capacitors are bad ?

      http://*************/photo/my-images/51/imgp0001x.jpg
      . You should know how I prefer the pictures.

      Yes, the ones in the picture are bad. Replace all the Capxon capacitors including the non bulged ones.

      As forum member toasty stated,

      https://www.badcaps.net/forum/showpo...88&postcount=6
      --- 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

        • b700029
          Banned
          • Sep 2010
          • 640
          #3
          Re: Samsung 226bw bad capacitors ?

          Thank you for your answer !

            Comment

            • b700029
              Banned
              • Sep 2010
              • 640
              #4
              Re: Samsung 226bw bad capacitors ?

              Hello again,

              I was searching on the web for the replacement capacitors, but I'm still a beginner in electronic. So, do you guys think those capacitors will do the job correctly ?


              C111,C112,C114,C316 and C317 => 820uF 25v GL 105 °C C727 VENT
              Will be changed for:

              820uF 25V => EEU-FC1E821S
              http://www.digikey.ca/product-detail...1222-ND/356125

              ----------

              C107 => 47uF 50v KM 105°C P723 VENT
              Will be changed for:

              47uF 50V => EEU-EB1H470S
              http://www.digikey.ca/product-detail...3464-ND/949739

              ----------

              C113 => 330uF 25V GL 105 °C C727 VENT
              Will be changed for:

              330uF 25V => EEU-FM1E331
              http://www.digikey.ca/product-detail...2386-ND/613747

              ----------

              C118 => 2.2uF 50v GL 105 °C C727 VENT
              Will be changed for:

              2.2uF 50V => EEU-EB1J2R2
              http://www.digikey.ca/product-detail...3140-ND/813874


              ----------

              C318 => 22uF 50v GL 105 °C C722 VENT
              Will be changed for:

              22uF 50V => EEU-EB1H220S
              http://www.digikey.ca/product-detail...3461-ND/949736

              Thanks again !

                Comment

                • lcdman
                  TinkerTech
                  • Nov 2010
                  • 232
                  • U.S.A.
                  #5
                  Re: Samsung 226bw bad capacitors ?

                  Hello,

                  I wouldn't use the Panasonic EB series capacitors. I don't think they are low esr
                  capacitors. If new to these type of repairs I would recommend to use FC,FM,FR from Panasonic instead as these are low esr caps. Be sure to check your dimensions on the caps your replacing and buy accordingly. Good luck with your repair/project.

                  Have A Great Day,
                  lcdman

                    Comment

                    • b700029
                      Banned
                      • Sep 2010
                      • 640
                      #6
                      Re: Samsung 226bw bad capacitors ?

                      Hello again,

                      I made some changes (in bold). Everything is good now ?


                      C111,C112,C114,C316 and C317 => 820uF 25v GL 105 °C C727 VENT
                      Will be changed for:

                      820uF 25V => EEU-FC1E821S (Width issues)
                      http://www.digikey.ca/product-detail...1222-ND/356125

                      OR

                      820uF 25V => EEU-FM1E821L (Height issues)
                      http://www.digikey.ca/product-detail...2391-ND/613752

                      ----------

                      C107 => 47uF 50v KM 105°C P723 VENT
                      Will be changed for:

                      47uF 50v => EEU-FC1H470
                      http://www.digikey.ca/product-detail...0321-ND/266330

                      ----------

                      C113 => 330uF 25V GL 105 °C C727 VENT
                      Will be changed for:

                      330uF 25V => EEU-FM1E331
                      http://www.digikey.ca/product-detail...2386-ND/613747

                      ----------

                      C118 => 2.2uF 50v GL 105 °C C727 VENT
                      Will be changed for:

                      2.2uF 50v => EEU-FC1H2R2
                      http://www.digikey.ca/product-detail...0313-ND/266322

                      ----------

                      C318 => 22uF 50v GL 105 °C C722 VENT
                      Will be changed for:

                      2.2uF 50v => EEU-FC1J220
                      http://www.digikey.ca/product-detail...0338-ND/266347

                      Thanks again !
                      Last edited by b700029; 07-23-2012, 01:26 PM. Reason: Issues

                        Comment

                        • lcdman
                          TinkerTech
                          • Nov 2010
                          • 232
                          • U.S.A.
                          #7
                          Re: Samsung 226bw bad capacitors ?

                          Hello Again,

                          Those revisions look good to me. But let the more experienced members chime in if i'm on the wrong track.

                          Take Care,
                          lcdman

                            Comment

                            • retiredcaps
                              Badcaps Legend
                              • Apr 2010
                              • 9271
                              #8
                              Re: Samsung 226bw bad capacitors ?

                              Originally posted by b700029
                              I made some changes (in bold). Everything is good now ?
                              The general "preferred" order is FR, FM, and then FC.


                              820uF 25V => EEU-FC1E821S (Width issues)
                              http://www.digikey.ca/product-detail...1222-ND/356125

                              OR

                              820uF 25V => EEU-FM1E821L (Height issues)
                              http://www.digikey.ca/product-detail...2391-ND/613752
                              Neither. Use Panasonic FR 820uF 25V 10x20mm

                              http://www.digikey.com/product-detai...423-ND/2433557

                              This is also my standard answer for people selecting caps.

                              https://www.badcaps.net/forum/showpo...4&postcount=19
                              --- 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.

                              --- end sig file ---

                                Comment

                                • b700029
                                  Banned
                                  • Sep 2010
                                  • 640
                                  #9
                                  Re: Samsung 226bw bad capacitors ?

                                  Hello again,

                                  I read your tutorial, but I'm still unable to find matching ripple and impedance values.

                                  C107 => 47uF 50v KM 105°C P723 VENT
                                  From datasheet: (Size: 6.3x11 | Ripple: 115)

                                  C113 => 330uF 25V GL 105 °C C727 VENT
                                  From datasheet: (Size: 10x12.5 | Ripple: 720 | Impedance: 0.082)

                                  C118 => 2.2uF 50v GL 105 °C C727 VENT
                                  From datasheet: (Size: 5x11 | Ripple: 33 | Impedance: 2.60)

                                  C318 => 22uF 50v GL 105 °C C722 VENT
                                  From datasheet: (Size: 6.3x11 | Ripple: 135 | Impedance: 1.00)

                                  thanks

                                    Comment

                                    • retiredcaps
                                      Badcaps Legend
                                      • Apr 2010
                                      • 9271
                                      #10
                                      Re: Samsung 226bw bad capacitors ?

                                      Originally posted by b700029
                                      I read your tutorial, but I'm still unable to find matching ripple and impedance values.
                                      The caps in post #6 with my suggestions in post #8 are superior to the Capxon caps. In particular, my example ordering post point #2 says (with italics added for emphasis)

                                      you want to replace the caps with the following critera:

                                      a) uF - same uF
                                      b) V - same voltage
                                      c) ripple - same or more ripple
                                      d) ESR - same or lower ESR
                                      e) size - you want to make sure the cap fits diameter and height wise
                                      --- 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.

                                      --- end sig file ---

                                        Comment

                                        • b700029
                                          Banned
                                          • Sep 2010
                                          • 640
                                          #11
                                          Re: Samsung 226bw bad capacitors ?

                                          Hello again,

                                          Thanks for your help, I changed two of them (in bold). Also, I checked the critera for each of them, and the ripple is higher everywhere. So, everything is good now ? sorry for all those questions, but i need to be sure


                                          C111,C112,C114,C316 and C317 => 820uF 25v GL 105 °C C727 VENT
                                          From datasheet: (Ripple: 1460 | Impedance: 0.043)

                                          Will be changed for:

                                          820uF 25V => EEU-FR1E821
                                          http://www.digikey.ca/product-detail...423-ND/2433557

                                          ----------

                                          C107 => 47uF 50v KM 105°C P723 VENT
                                          From datasheet: (Size: 6.3x11 | Ripple: 115)

                                          Will be changed for:

                                          47uF 50v => EEU-FR1J470
                                          http://www.digikey.ca/product-detail...400-ND/3072280

                                          ----------

                                          C113 => 330uF 25V GL 105 °C C727 VENT
                                          From datasheet: (Size: 10x12.5 | Ripple: 720 | Impedance: 0.082)

                                          Will be changed for:

                                          330uF 25V => EEU-FM1E331
                                          http://www.digikey.ca/product-detail...2386-ND/613747

                                          ----------

                                          C118 => 2.2uF 50v GL 105 °C C727 VENT
                                          From datasheet: (Size: 5x11 | Ripple: 33 | Impedance: 2.60)
                                          Will be changed for:

                                          2.2uF 50v => EEU-FC1H2R2
                                          http://www.digikey.ca/product-detail...0313-ND/266322

                                          ----------

                                          C318 => 22uF 50v GL 105 °C C722 VENT
                                          From datasheet: (Size: 6.3x11 | Ripple: 135 | Impedance: 1.00)
                                          Will be changed for:

                                          2.2uF 50v => EEU-FR1H220
                                          http://www.digikey.ca/product-detail...452-ND/2433586

                                          Thanks !

                                            Comment

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