... 620 1.with CCD camera, 2.optical vision system 3.touch screen 4.can repair most bga chip Main Feature: 1. ... move up and down. The 3rd large area IR heater can preheat the PCB board fully to ... ; Laser positioning function is optional. 7. High-definition CCD color optical vision system, splitting, amplification, micro-adjust ... change. Automatic BGA rework station with CCD camera,touch screen,lcd monitor