... BGA component.7.Definitely can satisfy the computer, the notebook, the electricity swims and so on the BGA ... you should do as follows:A:Clean the target pad with the brushB:Then put the solder ball and a ... solder liquefies, the chip will be sold automatically.After cooling the chip, pick up the PCB board, check ... 3)The PCB board which had been maintained, after cooling, clean it, and do the test when it ...