NEC PowerMate 2000 Series Service And Reference Manual page 81

6. Carefully pull the system board and support plate assembly out just enough
to access the LCD panel interface cable and speaker cable on the opposite
side of the assembly.
You might need to pull out on the right side of the system unit chassis to
release the volume control from its slot in the side of the chassis.
7. Carefully unplug the LCD panel interface cable from connector P11 on the
system board. Use a steady pull on each end of the connector. Do not pull on
the cable.
8. Carefully unplug the LCD speaker cable from connector P12 on the system
board. Use a steady pull on each end of the connector. Do not pull on the
cable.
9. Remove the system board and support plate assembly from the system unit
chassis and set the assembly on a clean, smooth static free surface.
Disassembly and Reassembly 3-11