NEC NP-NC900C-A Service Manual page 68

KEY PART REPLACEMENT (Method of disassembly/Photo taken from life)
Loosen 2 screws on the Fan 4 & 5 module. And, then take off the Fan 4 & 5 module.
Torque: 5~6 kgf-cm
Loosen 1 screw on the FIP lightpipe. Torque: 2~3 kgf-cm.
Loosen 4 screws on the Lamp module. Torque: 5~6 kgf-cm
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