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

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • Pentium4
    CapXon Be Gone
    • Sep 2011
    • 3741
    • USA
    #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
    • budm
      Badcaps Legend
      • Feb 2010
      • 40746
      • USA
      #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

        Comment

        • Pentium4
          CapXon Be Gone
          • Sep 2011
          • 3741
          • USA
          #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

            • Jasgriff
              Badcaps Veteran
              • Feb 2012
              • 578
              • UK
              #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

                Comment

                • tom66
                  EVs Rule
                  • Apr 2011
                  • 32560
                  • UK
                  #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

                    • Pentium4
                      CapXon Be Gone
                      • Sep 2011
                      • 3741
                      • USA
                      #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

                        • Pentium4
                          CapXon Be Gone
                          • Sep 2011
                          • 3741
                          • USA
                          #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

                            • Pentium4
                              CapXon Be Gone
                              • Sep 2011
                              • 3741
                              • USA
                              #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

                                • Scenic
                                  o.O
                                  • Sep 2007
                                  • 2642
                                  • Germany
                                  #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

                                    • Pentium4
                                      CapXon Be Gone
                                      • Sep 2011
                                      • 3741
                                      • USA
                                      #10
                                      Re: Need to replace some dead Samxon's in a Gateway 900G

                                      Originally posted by Scenic
                                      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

                                        • Pentium4
                                          CapXon Be Gone
                                          • Sep 2011
                                          • 3741
                                          • USA
                                          #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

                                            Previous template Next

                                            Related Topics

                                            Collapse
                                            • pc_okay
                                              G703GXR Dead CPU? shorted CPU power mofset replace, missing DRAMRST#
                                              by pc_okay
                                              Hello friends,

                                              I replace a shorted mofset (PU8104), now laptop is starting but no display, stopping at DRAMRST#.
                                              Resistance to ground on PL8104 is around 1-2 ohm, quite low but voltage seems ok 0.995V

                                              Any help would be appreciated it's a nice laptop !

                                              Thanks. 😃
                                              04-02-2025, 04:48 AM
                                            • double_DD
                                              How can I be sure that my EC chip is dead?
                                              by double_DD
                                              Hi all,

                                              As the title suggests, how can I be sure that my EC chip is really dead?

                                              I've recently gotten into this hobby of laptop repairs, and have successfully brought back to life a couple with some easy fixes, mostly shorted caps.

                                              Now I'm working on HP Probook 455 G8, that had some "devil" run around on 3V line, burning a bunch of stuff. Luckily I have a dead 455G7 (for spare parts) so I managed to fix it (swapped burned parts) to a point that it will charge (both on barrel jack and usb-c), but it doesn't want to turn on. There is a 3V3 on a keyboard...
                                              03-12-2025, 07:47 AM
                                            • Acnologia
                                              Lenovo Thinkpad E15 Gen 2 NM-D011 - No display ? External , yes!
                                              by Acnologia
                                              Here is a pretty crazy one.

                                              Step 1.
                                              Laptop was brought to me as dead not working. Removed everything , cleared everything.
                                              Step 2.
                                              Some liquid damage close to the Type - C connector, and the connector even though it was cleaned wasn't charging the battery . Removed the Type-C port, and replaced it. Now the laptop turns on and charges battery. Shows external screen , not internal.
                                              Step 3.
                                              Took out the screen and checked it to a secondary Gen 2 i have, screen works like a charm.
                                              Step 4.
                                              Lets ,dive into the board. I see the edp cable on the...
                                              05-07-2025, 07:16 AM
                                            • disorder
                                              ps5 edm-033 dead after hdmi/usb ports destroyed
                                              by disorder
                                              hello guys,

                                              i need help to repair a edm-033 ps2
                                              history : as always hdmi port and usb ports destroyed after unplugged
                                              after change them, ps5 dead too : 1 beep, no blue light. after inspection 1.8v power was shorted, and because of dead panasonic chip. after remove it : no short anymore
                                              so i changed it
                                              now i have got 5v stby,, 3.3v stby, 3.3v power, 1.8v power and no short on them
                                              but the ps5 is dead again : 1 beep, near 10 seconds with power lines and then off, no blue light ...

                                              i don't see any projection of liquid metal on pcb.
                                              ...
                                              01-14-2025, 12:48 PM
                                            • Beton
                                              Finding a dead short component
                                              by Beton
                                              Hi guys!
                                              I searched for the term "dead short" in the forum but no specific thread came up however if I'm just blind and couldn't see the thread talking about this please forward me to that direction.
                                              So my problem is I don't know how to find the source of a dead shorted voltage rail. Dead short = ~0 ohm resistance.
                                              I have two VGAs (HD 4850 and HD 4870), both dead shorted to ground on the memory rail. I have the boardview file for the 4870 and the memory rail consists around ~7892346 capacitors...
                                              I have a bench PSU and if I try to inject voltage the voltage...
                                              12-10-2021, 01:05 PM
                                            • Loading...
                                            • No more items.
                                            Working...