Les Paul Jr Wiring Schematic / Gibson Les Paul Junior Wiring Quik Connect 2015 | Reverb - A basic pcb consists of a flat sheet of insulating material and a layer of copper foil, laminated to the substrate.chemical etching divides the copper into separate conducting lines called tracks or circuit traces, pads for connections, vias to pass connections between layers of copper, and features such as solid conductive areas for electromagnetic shielding or other purposes.

Les Paul Jr Wiring Schematic / Gibson Les Paul Junior Wiring Quik Connect …