Bose ControlSpace ESP-880 Service Manual page 62

DISASSEMBLY PROCEDURES
4. Main PCB Assembly Removal
4.1 Remove the top cover.
4.2 Unplug the four ribbon cables that con-
nect to the analog input and output PCB's.
4.3 Unplug the wiring harness that runs to
the LAN PCB at J202.
4.4 Unplug the wiring harness that runs to
the RS-232 connector at J402.
4.5 Unplug the wiring harness that runs to
the power supply at J861.
4.6 Unplug the small ribbon cable that runs to
the LED PCB at J731.
4.7 Remove the two screws that secure the
board to the rear of the chassis.
4.8 Remove the eight scews that secure the
board to the bottom of the chassis. Lift out
the board.
62