Bose FREESPACE BUSINESS - Schematics and Pcb Layouts

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Three schematics are enclosed backed by their respective PCB layouts. The following PCB
assemblies are contained here:
.I/O PCB schematic backed by its PCB layout and etch layer
.Main PCB schematic backed by its PCB layout and etch layer
.Tone Control PCB schematic backed by its PCB layout and etch layer
SCHEMATICS AND PCB LAYOUTS