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PCB (printed circuit board) Parts and Components Identification

PCB (printed circuit board) Parts and Components Identification A printed circuit board (PCB) mechanically supports and electrically connects electronic components or electrical components using conductive tracks, pads and other features etched from one or more sheet layers of copper laminated onto and/or between sheet layers of a non-conductive substrate. Components are generally soldered onto the

PCB main Faults Check Point and solve

PCB main point Check If our Indoor and Outdoor Unit not running. Our power and breaker is On But neither is our Outdoor running and neither indoor. Some main fault we should always check. Open PCB from Indoor. Fuse Check: we should always check Fuse, Our unit will not work If the fuse gets damaged.