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Need to replace some dead Samxon's in a Gateway 900G

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    #1

    Need to replace some dead Samxon's in a Gateway 900G

    My friend gave me this free monitor cause it's just been sitting in his house since December, 2007. Manufacture date is September, 2005.

    It wouldn't power on at all so I figured it HAD to be dead Chinese capacitors...I'll upload some pictures later but on the main PCB, there are about 5 dead Samxon's. 4 of them are 470uf 25V and the other is a 220uf 25v. The other Samxon's aren't bulging but I'd like to replace them too. There are 6 that aren't bulging...

    The main cap is a NCC I think all I can read is KM(M)

    I'm still kind of a noob so I'm not sure what exactly to replace them with, I was browsing Digi key but there are a lot of options to pick. Would it just be easier to get them here straight off of Badcaps? I know Samxon can make some good caps but this must be a bad series. They're GF(M).

    Also, on the other PCB (where the VGA/DVI is, I'll post pics later) all the caps are Yec, I've heard these caps are pretty terrible, but they all look okay and they are
    220uf, 16V
    47uf, 16V
    10uf, 16V
    These seem like they have a pretty simple and easy job though. All the caps Yec and Samxon are rated at 105C

    Thanks for any help, I REALLY appreciate it!
    Tags: None
    #2
    Re: Need to replace some dead Samxon's in a Gateway 900G

    I would replace them with the PANASONIC FM series.
    http://search.digikey.com/us/en/cat/...panasonic%20FM

    I use them for all my repairs.
    Just match the diameter and height, value and voltage.
    Never stop learning
    Basic LCD TV and Monitor troubleshooting guides.
    http://www.badcaps.net/forum/showthr...956#post305956

    Voltage Regulator (LDO) testing:
    http://www.badcaps.net/forum/showthr...999#post300999

    Inverter testing using old CFL:
    http://www.badcaps.net/forum/showthr...er+testing+cfl

    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
    http://s807.photobucket.com/user/budm/library/

    TV Factory reset codes listing:
    http://www.badcaps.net/forum/showthread.php?t=24809

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      #3
      Re: Need to replace some dead Samxon's in a Gateway 900G

      Thanks for the suggestion. Any one have any input on my other questions?

      Comment

        #4
        Re: Need to replace some dead Samxon's in a Gateway 900G

        Budm's comment would be all you need to really consider. Seen as you say your a noob at then I have provided links to the actual caps you need to order.

        CAP ALUM 470UF 25V 20% RADIAL

        CAP ALUM 220UF 25V 20% RADIAL

        Not sure what your other caps are as they are not listed but most would change all as they don't always show signs of bulging. The big cap can normally be left.
        Fixed so far : 1 Home cinema system, 16 LCD Monitors, 4 LCD TV's

        How to resize your pictures guide click HERE
        Retiredcaps Ideal post example click HERE

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          #5
          Re: Need to replace some dead Samxon's in a Gateway 900G

          KM(M)? Vent like a "+"? That's Capxon. Rubbish caps, but in the primary it may be okay.
          Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
          For service manual, schematic, boardview (board view), datasheet, cad - use our search.

          Comment

            #6
            Re: Need to replace some dead Samxon's in a Gateway 900G

            Thanks for the links. Yeah it has a + like vent. It looks fine. Rated at 105C

            Comment

              #7
              Re: Need to replace some dead Samxon's in a Gateway 900G

              All I need now is a 47uf 25V cap and I'll be all ready! Can someone send me a link?

              Comment

                #8
                Re: Need to replace some dead Samxon's in a Gateway 900G

                I don't know why it won't let me edit my previous post but the dimensions of the 47uf 25V cap is 12mm height 6mm dimension

                Comment

                  #9
                  Re: Need to replace some dead Samxon's in a Gateway 900G

                  http://www.digikey.com/product-detai...2923-ND/762833
                  http://www.digikey.com/product-detai...1544-ND/756060
                  http://www.digikey.com/product-detai...1817-ND/589558

                  Any of these should do. They're all 5x11mm instead of 6.3x11mm (Capxon KM datasheet) though, so slightly "thinner"
                  I don't know why it won't let me edit my previous post
                  AFAIK, you can only edit your posts up to 30mins after posting them. If that 30min timer runs out, the edit button will disappear.

                  Comment

                    #10
                    Re: Need to replace some dead Samxon's in a Gateway 900G

                    Originally posted by Scenic View Post
                    http://www.digikey.com/product-detai...2923-ND/762833
                    http://www.digikey.com/product-detai...1544-ND/756060
                    http://www.digikey.com/product-detai...1817-ND/589558

                    Any of these should do. They're all 5x11mm instead of 6.3x11mm (Capxon KM datasheet) though, so slightly "thinner"

                    AFAIK, you can only edit your posts up to 30mins after posting them. If that 30min timer runs out, the edit button will disappear.
                    Thank you so much! I'm going to leave the primary CapXon cap...it should be alright, yeah? After the recap I will post picture before and after

                    Comment

                      #11
                      Re: Need to replace some dead Samxon's in a Gateway 900G

                      Good news the monitor is up and running! Replaced all the Samxon caps with Panasonic's.





                      It's running great @ 75Hz! Btw this is my first monitor recap THANK YOU everyone for all your help!!!!

                      Comment

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