Change Component Designator: Old Designator=U1 New Designator=U?
Change Component Designator: Old Designator=U2 New Designator=U?
Change Component Designator: Old Designator=U3 New Designator=U?
Change Component Designator: Old Designator=U4 New Designator=U?
Change Component Designator: Old Designator=U8 New Designator=U?