30CN - Timeline

• 2017/8/16 Issue background: (CN defect rate15% caused by FC)

• 2017/8/17 Find different Pulse GPS circuit print

• 2017/8/18 Verified the root cause

• 2017/9/1 Pulse find the resistance is difference between good and NG units

• 2017/9/22 700pcs built (defect rate 2%) and new SPEC