NEC NP-NC900C-A Service Manual page 53

KEY PART REPLACEMENT (Method of disassembly/Photo taken from life)
Take the top cover and 2 pcs left outside
cover on the desk.
Loosen 2 screws on the bracket. Torque:
5~6 kgf-cm. Then, take the bracket off.
Loosen 9 screws on the FIP shield cover
and take it off. Torque: 5~6 kgf-cm
"Confidential, Do Not Duplicate without written authorization from NEC."
Loosen 2 screws on the FAN DRIVER D board
and unplug 4 connectors.Torque: 5~6 kgf-cm
Open the 8 pcs fasteners to loosen all cables.
Loosen 6 screws on the Slave UC BD and
unplug 22 pcs connectors. Then, take it off.
Torque: 5~6 kgf-cm
5-2