Bose Acoustimass 3 Series Manual - Page 42
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SCHEMATICS AND PCB LAYOUTS
The layout and schematic foldouts included with this manual can be used for Revisions 0
through 2 PC boards.
The Main PCB had a slight etch change from revision 0 to 1, and a reversed insertion of
diode D19, from revision 1 to 2. See the separate views for these etch and component
differences. The foldouts are arranged as follows:
• Main PCB schematic backed by component side and solder side PCB layouts
• Amplifier PCB schematic backed by component side and solder side PCB layouts
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