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ASUS RT-N66U Teapo replaced

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    #1

    ASUS RT-N66U Teapo replaced

    So, I had more than a couple of ASUS routers die on me (3). I hadn't picked up the flux and iron for years or I might have had the sense to fix them. I decided to try it out BEFORE I had problems with my current router. Replaced a Teapo 470uf 25v A3 series maincap with a Rubycon ZLJ series. The through holes seemed really tight and I had to switch to a small nozzle on the desoldering gun. When I put it back together and plugged it in, nothing happened...for two minutes, no lights, no pop , no nothing. Scared the mess out of me. It finally rebooted and is working.This doesn't void my warranty, right? (LOL)
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    #2
    Re: ASUS RT-N66U Teapo replaced

    It's also worthwhile to re-cap the AC adapter. I've done it on quite a few D-Link ones.
    "We have offered them (the Arabs) a sensible way for so many years. But no, they wanted to fight. Fine! We gave them technology, the latest, the kind even Vietnam didn't have. They had double superiority in tanks and aircraft, triple in artillery, and in air defense and anti-tank weapons they had absolute supremacy. And what? Once again they were beaten. Once again they scrammed [sic]. Once again they screamed for us to come save them. Sadat woke me up in the middle of the night twice over the phone, 'Save me!' He demanded to send Soviet troops, and immediately! No! We are not going to fight for them."

    -Leonid Brezhnev (On the Yom Kippur War)

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      #3
      Re: ASUS RT-N66U Teapo replaced

      Great idea, are they hard to get apart?

      Comment

        #4
        Re: ASUS RT-N66U Teapo replaced

        Depends on the style.

        D-Link 5V 2.5A adapters need to be pried open with force, but Linksys 12V 1A/500mA grey/black adapters are only held together by ordinary glue and can be pried apart by hand.

        I don't know about the Asus ones.
        "We have offered them (the Arabs) a sensible way for so many years. But no, they wanted to fight. Fine! We gave them technology, the latest, the kind even Vietnam didn't have. They had double superiority in tanks and aircraft, triple in artillery, and in air defense and anti-tank weapons they had absolute supremacy. And what? Once again they were beaten. Once again they scrammed [sic]. Once again they screamed for us to come save them. Sadat woke me up in the middle of the night twice over the phone, 'Save me!' He demanded to send Soviet troops, and immediately! No! We are not going to fight for them."

        -Leonid Brezhnev (On the Yom Kippur War)

        Comment

          #5
          Re: ASUS RT-N66U Teapo replaced

          Force? Time to break out the Dremel. Won't come open at all.

          Comment

            #6
            Re: ASUS RT-N66U Teapo replaced

            Got it open, has a 47uf 400V and 680uf 35v. Both are Taicon, which is supposed to be a reasonably good brand. Might just leave it.

            Comment

              #7
              Re: ASUS RT-N66U Teapo replaced

              NVM, I will replace them.

              Comment

                #8
                Re: ASUS RT-N66U Teapo replaced

                dont worry about the 400v one - mains caps arent stressed.

                Comment

                  #9
                  Re: ASUS RT-N66U Teapo replaced

                  Very little room in the adapter.
                  Attached Files

                  Comment

                    #10
                    Re: ASUS RT-N66U Teapo replaced

                    i would not be surprised if there is a small cap on the lower-right under that glue.
                    there is probably a startup-cap someplace.

                    Comment

                      #11
                      Re: ASUS RT-N66U Teapo replaced

                      I am too lazy to remove all that glue. Used a Rubycon ZLJ and one of the UCC PAG series, which was the only one that actually fit the PCB footprint.Maybe the start-up cap is an SMD on the other side?
                      Attached Files

                      Comment

                        #12
                        Re: ASUS RT-N66U Teapo replaced

                        Those tiny SMPS adapters are horrible. Run hot, welded shut, no schematics and full of unmarked SMDs.

                        Give me a linear one any day!
                        "Tantalum for the brave, Solid Aluminium for the wise, Wet Electrolytic for the adventurous"
                        -David VanHorn

                        Comment

                          #13
                          Re: ASUS RT-N66U Teapo replaced

                          Originally posted by WeaselXP View Post
                          I am too lazy to remove all that glue. Used a Rubycon ZLJ and one of the UCC PAG series, which was the only one that actually fit the PCB footprint.Maybe the start-up cap is an SMD on the other side?
                          Dig through that glue... It's there.
                          "We have offered them (the Arabs) a sensible way for so many years. But no, they wanted to fight. Fine! We gave them technology, the latest, the kind even Vietnam didn't have. They had double superiority in tanks and aircraft, triple in artillery, and in air defense and anti-tank weapons they had absolute supremacy. And what? Once again they were beaten. Once again they scrammed [sic]. Once again they screamed for us to come save them. Sadat woke me up in the middle of the night twice over the phone, 'Save me!' He demanded to send Soviet troops, and immediately! No! We are not going to fight for them."

                          -Leonid Brezhnev (On the Yom Kippur War)

                          Comment

                            #14
                            Re: ASUS RT-N66U Teapo replaced

                            I would be very surprised if the startup cap isn't under all that shmoo.
                            Cheers!

                            "It won't take long if you take it one byte at a time." - me

                            "WHOSE IDEA WAS THIS?" - too many people to count

                            "Go back to the depths of SourceForge from whence ye came."

                            All my software crap: https://www.github.com/nkeck720

                            Comment

                              #15
                              Re: ASUS RT-N66U Teapo replaced

                              If there is a start up cap there, it's not a electrolytic can type.

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