NEC Versa S900 Disassembly Manual
Table of contents Overview.................................................................................................................................................................3 Technician Notes....................................................................................................................................................3 Disassembly Instructions.....................................................................................................................................
Overview This document contains step-by-step disassembly instructions for the Versa S900 chassis. The instructions are illustrated where necessary with images of the part that is being removed or disassembled. Furthermore, the screws that are removed are shown next to the image of the parts themselves. NEC reserves the right to make changes to the Versa S900 chassis without notice. Technician Notes Only technicians authorized by NEC Computers International BV should attempt to repair this equipment.
Hazardous Voltage There is hazardous voltage present inside the computer when it is connected to an AC supply, even when the computer’s power switch is off. Exposure to hazardous voltage could cause personal injury. To avoid risk of injury, contact an Authorized Service Provider for proper (un)installation of optional hardware devices. Avoid Electrostatic Discharge Electrostatic electricity can easily damage circuit cards and integrated circuits (ICs).
Removing the Battery Perform the following steps to remove the battery: 1. 2. 3. 4. Make sure the notebook is powered off. Close the lid of the notebook Turn the unit upside down Unlock the battery and slide it out of its place as shown here (Fig. 1 ). Fig. 1 Removing the Battery Removing the Versa Bay IV Module To remove the Versa Bay IV module, first remove the battery (see Removing the Battery), then perform the following steps: 1. Push the Versa Bay IV Lock and hold it in position as shown in (Fig.
Removing the Memory Module To remove the memory module, first remove the battery (see Removing the Battery), then perform the following steps: 1. Unscrew the one screw holding the memory cover in place (Fig. 3 ) Fig. 3 Removing the memory cover 2. Pull apart the retaining clips in order to release the memory module. 3. Take the memory module out of its location and put it aside.
3. Unclip the wireless mini PCI card as shown in Fig. 5 and put it aside. Fig. 5 Removing the mini PCI card Removing the Keyboard Cover and the Keyboard To remove the keyboard cover and the keyboard, first remove the battery (see Removing the Battery), then perform the following steps: 1. Using a plastic flatbed screwdriver, carefully disengage the keyboard cover as shown in Fig. 6 Fig. 6 Removing the keyboard cover 2. Carefully tilt the keyboard cover, disconnect the cable shown in Fig.
Fig. 7 Disconnecting the keyboard cover cable 3. Carefully flip over the keyboard, disconnect the keyboard cable (Fig. 8 ) and put the keyboard aside. Note: Be very careful when flipping over the keyboard as you may damage the cable that connects the keyboard to the system. Fig. 8 Disconnecting keyboard cable Removing the Touchpad To remove the touchpad, first remove the battery (see Removing the Battery), then perform the following steps: 1.
2. Carefully flip over the touchpad assembly as shown (Fig. 10 ). Fig. 10 Flipping over the touchpad assembly Note: Be very careful flipping over the touchpad assembly as it is at this point still connected via a cable to the system. The cable may be damaged by carelessly removing the assembly from its position. 3. Disconnect the cable connecting the touchpad to the main board (Fig. 11 ). Fig. 11 Disconnecting the touchpad cable 4. Remove the screws marked in Fig. 12 Fig.
Fig. 13 Removing the touchpad Note: Be careful when lifting out the touchpad. Notice that it is held in place by two latches marked in Fig. 13 Removing the Hard Disk Drive To remove the hard disk drive, first remove the Keyboard (see Removing the Keyboard Cover and the Keyboard), remove the touchpad (see Removing the Touchpad), then perform the following steps: 1. Remove the screws next to the hard disk drive as shown in Fig. 14 . Fig. 14 Removing the hard disk drive screws 2.
Fig. 15 Extracting the hard disk drive from its location 4. Remove the screws marked in Fig. 16 to release the hard disk drive from its brackest. Fig. 16 Removing the hard disk drive brackets Removing the Heat Sink To remove the heat sink, first remove the Keyboard (see Removing the Keyboard Cover and the Keyboard), then perform the following steps: 1. Remove the screws shown in Fig. 17 to release the heat plate. Fig.
2. Take the heat plate out of the system and put it aside 3. Disconnect the fan connector shown in Fig. 18 Fig. 18 Removing the heat sink screws and fan connector 4. Loosen the screws shown in Fig. 18 to release the heat sink. 5. Carefully lift the heat sink out of the system and put it aside. Removing the CPU To remove the CPU, first remove the heat sink (see Removing the Heat Sink), then perform the following steps: 1. With a small flatbed screwdriver, release the CPU lock (Fig. 19 ). Fig.
Removing the LCD Display To remove the LCD display, first disconnect the antenna wires from the wireless PCI card (see Removing the Wireless PCI Card), remove the Keyboard (see Removing the Keyboard Cover and the Keyboard), remove the touchpad assembly (see Removing the Touchpad), then perform the following steps: 1. Using a small flatbed screwdriver, carefully remove the LCD hinge covers (Fig. 20 ). Fig. 20 Removing the hinge cover 2. Disconnect the LCD connector from the main board (Fig. 21 ). Fig.
A B Fig. 22 Removing rubbers and screws 2. Remove the screws that have been uncovered in Fig. 22 . 3. Remove the ring around the right hinge (Fig. 23 ) Fig. 23 Removing ring from right hinge 4. Carefully unclip the LCD cover and put it aside. 5. Remove the screws shown in Fig. 24 to release the LCD panel and the inverter board. Fig.
6. Disconnect the flat cable and the speaker cable shown in Fig. 25 Disconnecting the inverter board from cables 7. Carefully extract the LCD panel from the back cover. 8. Remove the screws marked in Fig. 26 to release the LCD hinges and take both hinges and the LCD panel and put them aside. Fig. 26 Removing hinge screws Removing the Top Cover To remove the top cover, first remove the LCD display (see Removing the LCD Display), then perform the following steps: 1. Remove the screws marked in Fig.
A B C D Fig. 27 Removing the top cover screws 2. Disconnect the microphone and the CMOS battery from the main board and take them out of the system. 3. Remove the two screws at the back of the system that are marked in Fig. 28 Fig. 28 Removing screws on the back of the system 4. Release the five small latches in the battery compartment.(Fig. 29 ) Fig. 29 Disengaging the latches in the battery compartment 5. Carefully lift up the top cover from the front side of the case and put it aside.
perform the next steps: 1. Remove the screws holding the versa bay shield in place (Fig. 30 ). Fig. 30 Removing the Versa Bay shield 2. Lift the shield out of the system and put it aside. 3. Remove the screw holding the AC socket and take the socket holder out of the system. Fig. 31 Removing the AC socket holder 4. Remove the two Hex bold screws next to the VGA port. Fig. 32 Removing VGA port screws 5. Carefully lift up the main board and put it aside.
Removing the MDC Modem To remove the MCD modem, first remove the main board (see Removing the Main Board), then perform the following steps: 1. Remove the two screws holding the mode in place.(Fig. 33 ) Fig. 33 Removing the MDC modem 2. Carefully lift the modem and disconnect any cable attached to it.
Notice The information in this guide is subject to change without notice. This guide contains information protected by copyright. No part of this guide may be photocopied or reproduced in any form or by any means without prior written consent from NEC Computers International BV. NEC COMPUTERS INTERNATIONAL BV SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN; NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.
