25/03/2023
https://www.pcbsino.com/0.video/24.jiesen.pcbsino.THT.through.hole.part.hand.soldering.pcb.assembly.electronic.manufacturing.EMS.factory.mp4
24.jiesen.pcbsino.THT.through.hole.part.hand.soldering.pcb.assembly.electronic.manufacturing.EMS.factory.mp4, THT part hand soldering process, PCB board repair after QC, after wave-soldering QC find shortcircuit point...