The most frequently asked question is what are the faults which can be repaired by a bonding machine?
The principle of bonding machine is for COF/TAB changing, that means all faults which caused by COF/TAB are can repaired by a bonding machine.
Here are some sample faults which can be repaired by bonding machine:
Faults of LCD LED screen which caused by COF TAB and can be repaired by bonding machine
A quick view of how to replace LCD COF with a bonding machine