circuit board preheat zone without fusible explosive flammable components , like Plastic , Display , Phone camera , LED , Electrolytic capacitors.
2)Ensure that no combustible fusible explosive components in Infrared light can shine on the area , If you can not avoid , Must use reflective paper keep out that. like Plastic , Display , Phone camera , LED , Electrolytic capacitors.
2.According to IC size , use a suitable diameter lamp cup ( lamp cup size larger than IC size ) ; Install lights Cu