New Honton HT-R392 220V 3 temperature zone hot air infrared preheat BGA reballing machine for xbox ps3 motherboard HT-R392 is added one preheating function, you can brake out the humidity of the PCB before reworking them which can improve reworking success rate. HT-R392 with movable PCB holder and is added a fixture which can be moved to right and left freely, which make BGA chip alignment is much more easy. But HT-R390 PCB holder is fixed to some extent, if you need to align the BGA chip needed rework to the hot air nozzle, you need to adjust the screw which takes much time. http://www.sparepartstop.com