Is the use of multi strand copper core plastic wire, remove the plastic skin, use multi stranded copper core wire (the short head). The multi strand copper core wire on the rosin alcohol solution before use, the electric iron wok and the multi strand copper core wire on the chip pin on the heating, this pin soldering will be copper adsorption, absorption of solder can be cut off, repeated several times can be solder pin on the whole suck. The conditions can also use wire braid shield line. As long as the solder sucking, tweezers or small "one" word screwdriver, gently pry the integrated block it.