Best way to solder LVDS connector for beginner (and qfn) ?

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  • corrize
    Badcaps Veteran
    • Apr 2021
    • 268
    • France
    #1

    Best way to solder LVDS connector for beginner (and qfn) ?

    Hello, I'm a beginner for micro soldering. Right now I have some difficult to solder a qfn 20, I guess I put too much solder on the thermal-ground pad, the result is a corner of chip wich don't touch the board (last try).

    I use a wire solder with hot air, I tin the board and chip before with iron and I use good flux.

    I will have to solder a LVDS connector (40 pins, laptop pc), I saw a solder paste in seringe, good quality (it does not scatter).
    See the test :
    https://youtu.be/bNAzC-EvqHs?t=1767

    With hot air from bellow the board, that's seems easiest and clean, and it's sure there is solder under pins. And sure to not move the very little caps close the connector.

    What do you thinks pls ? What is the best way to solder it ?
    Tags: None
    • diif
      Badcaps Legend
      • Feb 2014
      • 6978
      • England
      #2
      Re: Best way to solder LVDS connector for beginner (and qfn) ?

      Push down on the qfn, excess solder is pushed out. The ic doesn't need tinning.
      From the bottom with hot air or from the top with hot air or use an iron for the LVDS connector.

        Comment

        • stj
          Great Sage 齊天大聖
          • Dec 2009
          • 30928
          • Albion
          #3
          Re: Best way to solder LVDS connector for beginner (and qfn) ?

          watch rossmann video's

            Comment

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