nx6110 southbridge reflow

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  • woodford
    Member
    • Jun 2011
    • 27
    #1

    nx6110 southbridge reflow

    I have a HP NX6110 that freezes on splash screen unless i push down on the touchpad.After reading on a few forums i am led to believe the southbridge needs reflowing but ive also read that this chip is more sensitive to high temperatures than a standard bga chip.can anyone tell me if there are any special precautions i have to take with this chip or is it just the same process as a standard gpu reflow.

    thanks
    Tags: None
    • Th3_uN1Qu3
      Believe in
      • Jul 2010
      • 6031
      • Romania
      #2
      Re: nx6110 southbridge reflow

      Originally posted by woodford
      can anyone tell me if there are any special precautions i have to take with this chip or is it just the same process as a standard gpu reflow.

      thanks
      Same thing really. Just use a lot of flux and you'll be fine.
      Originally posted by PeteS in CA
      Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.
      A working TV? How boring!

        Comment

        • gabik111
          ORD spotter
          • Apr 2011
          • 142
          • USA / Poland
          #3
          Re: nx6110 southbridge reflow

          Well , reflow will help , but not for a long. It can work a week or a year. Only reballing can warant proper working.
          Cheers
          Laptops and computers repair.

            Comment

            • mattbrad2
              Senior Member
              • Jan 2011
              • 122
              #4
              Re: nx6110 southbridge reflow

              I believe these are a little different - similar to the T41 problems with the board flexing. I've had a few NX series with the same issue and a hot air gun does the trick nicely. The GPU reflows are a different beast where solder needs to reach liquidus.

                Comment

                • woodford
                  Member
                  • Jun 2011
                  • 27
                  #5
                  Re: nx6110 southbridge reflow

                  what sort of success rate does reballing have in general.i have just invested in a reflow machine but never actually reballed anything as yet.would it not be better to buy one of the vga chips off ebay with the balls already fitted?

                    Comment

                    • mattbrad2
                      Senior Member
                      • Jan 2011
                      • 122
                      #6
                      Re: nx6110 southbridge reflow

                      yes it would but the only ones ive ever seen are Chinese ones and these are rarely new and often refurbished. If you can find a local supplier who you could trust then yes, that would be much better.

                        Comment

                        • rtstorm
                          Badcaps Veteran
                          • Feb 2012
                          • 971
                          • Croatia
                          #7
                          Re: nx6110 southbridge reflow

                          hi, i have the same nx6110 freezing problem. I try to reflow and then notebook won't turn ON, i reflow again and i got power on, but with the same issue. Pressing the case around touchpad freeze for a sec on 2 sec. Can you gave me any tip? Currently i don't have infrared soldering machine to remove the chip-
                          ...the quieter you become the more you are able to hear...

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