From: scientist77017@gmail.com   
      
   On Saturday, May 25, 2019 at 9:27:52 AM UTC-5, Ralph Mowery wrote:   
   > In article ,   
   > etpm@whidbey.com says...   
   > >   
   > > >I found a discarded DVD player. I do not know what they use, but I could   
   not desolder any of the components. I used the highest setting and the widest   
   tip.   
   > > >   
   > > >It was made by Bose.   
   > > >   
   > > >Andy   
   > > They used lead free solder which melts at a higher temperature. So to   
   > > get around this melt some solder on your iron tip and place it against   
   > > the lead free solder. Once everything is hot add some more solder. It   
   > > will alloy with the lead free stuff and lower its melting temp. Then   
   > > use wick or a solder sucker to remove the offending lead free solder.   
   > > Eric   
   > >   
   > >   
   >   
   > Yea, that lead free stuff is hard to deal with.  Like you said, put a   
   > lot of regular tin/lead solder on the joint and then try to remove it .   
   > It helps if some extra flux is put on the joint. When dealing with the   
   > SMD I found it really helps to add a lot of extra flux.   
   >   
   > If AK really wants to play around, he can buy one of the 'hot air rework   
   > sations' from ebay for about $ 60.  It has a soldering iron and the hot   
   > air wand.  I often use the hot air wand to remove the larger items like   
   > earphone sockets and other connectors from the boards.  Works very well   
   > if there is a 'daughter board' that has 6 or 8 pins connecting the two   
   > boards.  Just heat all the pins and pull on the board.   
      
   I just removed some resistors and a capacitor from a board.   
      
   I laid my iron across the 2 pins and pushed down.   
      
   They came right out.   
      
   Andy   
      
   --- SoupGate-Win32 v1.05   
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