NEC Versa M320 Disassembly Manual
Table of contents Overview.................................................................................................................................................................3 Technician Notes....................................................................................................................................................3 Disassembly Instructions.....................................................................................................................................
Overview This document contains step-by-steps disassembly instructions for the Versa M320 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 M320 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 connect 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. Make sure to power off the Versa M320. 2. Turn the unit upside down. 3. Unlock the battery and slide it out of its place as the arrow shows in Fig. 1 Fig. 1 Removing the battery Removing the Hard Disk Drive To remove the hard disk drive, first remove the battery (see Removing the Battery), then perform the following steps: 4. Remove the screws as shown in Fig. 2 M2x3 Silver Fig. 2 Removing the Hard disk drive cover screws 5.
Fig. 3 Disconnecting the hard disk drive Note: Use extra care when disconnecting the HDD connector 6. Unscrew the four screws on both sides of the hard disk drive as shown in Fig. 4 M3x4 Black Fig. 4 Unscrewing the hard disk drive bracket screws Removing the Memory Module To remove the Memory Module, first remove the battery (see Removing the Battery), then perform the following steps: 1. Release the one screw retaining the memory module slot cover. M2.4x4.5 Silver Fig.
2. Unclip memory module as shown in Fig. 6 Fig. 6 Removing the memory module 3. Remove the memory module from its slot and put it aside. Removing the Wireless LAN & MDC Modem Module To remove the Wireless and MDC Modem Module, first remove the battery (see Removing the Battery), then perform the following steps: 1. Remove the screw retaining the mini PCI slot cover as shown in Fig. 7 M2.4x4.5 Silver Fig. 7 Removing the screws screw retaining the mini PCI slot cover 2.
M2.5x5 Silver Fig. 8 Wireless LAN & MCD Modem Module 3. Unclip and remove the wireless LAN module. 4. Carefully lift up the MDC modem module. 5. Disconnect the cable attached to the MDC modem and put the modem aside. Removing the Keyboard To remove the Keyboard, first remove the battery (see Removing the Battery), then perform the following steps: 1. Use a flat screwdriver to lift up the keyboard cover as shown in Fig. 9 Fig. 9 Removing the keyboard cover 2.
Fig. 10 Removing the keyboard flat cable Removing the optical disk drive To remove the ODD, first remove the keyboard (see Removing the Keyboard), then perform the following steps: 1. Remove the screws retaining the optical drive connector as shown in Fig. 11 M2.5x4 Silver Fig. 11 Releasing the optical drive 2. Remove the optical drive out from the base unit as shown in Fig. 12 Fig.
Removing the CPU To remove the CPU, first remove the Keyboard (see Removing the Keyboard), then perform the following steps: 1. Remove the screw retaining the heat plate as shown in Fig. 13 A = M2.5x7 Silver B = M2x3 Silver Others M2x4.5 Silver Fig. 13 Removing the screws retaining the heat plate 2. Carefully remove the heat plate as shown in Fig 14 Fig. 14 Removing the heat plate 3.
M2x7.5 Silver Fig. 15 Removing the one screw LED board 4. Lift up the LED board as shown in Fig. 16 Fig. 16 Lifting up the LED board 5. Release the screws retaining the CPU Fan as shown in Fig. 17 Hex bolt M5x16 Silver M2x4.5 Silver Fig. 17 CPU Fan screws 6. Carefully lift up the CPU fan as shown in Fig. 18 and disconnect the fan connection.
Fig. 18 Lifting up the CPU fan 7. Release the screws on the heat sink in descending order (4Æ3Æ2Æ1) as shown in Fig. 19. M2x10 Silver Fig. 19 Releasing the CPU Heat Sink Note: When assembly the heat sink, tighten the heat sink screws according to the ascending order (1Æ2Æ3Æ4). This is to ensure a well distributed pressure over the CPU and also to prevent damaging the CPU 8. Carefully remove the heat sink from the CPU socket as shown in Fig.
Fig. 20 Removing the heat sink Note: To ease the removal of the heat sink from the CPU socket;, you might consider to disconnect LCD cable before lifting up the heat sink.. 9. Use a flat screwdriver to unlock the CPU from the CPU socket and carefully lift up the CPU and put it in a safe place. Fig.
Removing the LCD Module To remove LCD Module remove the keyboard (see Removing the keyboard), remove the CPU (see Removing the CPU) , then perform the following steps: 1. Remove the wireless LAN antenna coil from the wires and disconnect the Lid Switch Connection as shown in Fig. 22 Coil Fig. 22 Removing the Coil 2. Release screws on the bottom and rear of the base unit as shown in Fig. 23 A = M2.5x7 Silver Fig. 23 Removing the LCD hinges screws B = M2.5x5 Silver 3.
Fig. 24 Releasing the plastic hinge covers 4. Carefully lift up the LCD module as shown in Fig. 25 and put it in a safe place. Fig. 25 Lifting up the LCD module Note: When lifting up the LCD module, make sure that the LCD cable, the wireless antenna wires and the lid switch cable are freed up through the hole between the top cover and the base. When assembling the notebook, make sure that these cables are properly sited in place.
Disassembling the LCD Panel To disassemble the LCD panel, first remove the LCD module (see Removing the LCD Module), then perform the following steps: 1. Use an appropriate tool to remove the rubbers on the LCD front cover as shown in Fig. 26 Fig. 26 Removing the rubber covers on the LCD front cover 2. Unscrew all screws shown in Fig. 27 A = M2x4.5 Silver B = M2.5x5 Silver Fig.
3. Release the LCD front cover carefully and put it aside as shown in Fig. 28 Fig. 28 Removing the LCD front cover 4. Unscrew all screws encircled in Fig. 29 A = M2x4.5 Silver B = M2.5x5 Silver Fig. 29 Removing the LCD panel screws 5. Carefully lift up the LCD panel together with the Inverter board and disconnect the LCD cable from the Inverter board. Disconnect the connector remaining on the left side of the inverter board. Put a side the inverter board. See Fig. 30.
Fig. 30 Lifting up the LCD panel and disconnecting the inverter board 6. Remove the screws on both sides of the LCD panel in order to release the LCD hinges as shown in Fig. 31 M2x3 Silver Fig. 31 Removing the LCD Panel hinges 7. Remove the screws on both sides of the wireless antenna as shown in Fig. 32, release the wires from the adhesive tapes and put the wireless antenna aside. M2x4.5 Silver Fig.
1. Release all screws as shown in Fig. 33 and disconnect Touch Pad Connection from main board. A = M2.5x7 Silver B = M2x4.5 Silver Fig. 33 Removing the top cover screws 2. Flip over the unit and remove the screws as shown in Fig. 34 M2.5x7 Silver A = M2x4.5 Silver Fig. 34 Removing the top cover screws on the bottom of the system 3. Carefully lift up, release the top cover, and put it aside.
Fig. 35 Removing the top cover Note: Remember to disconnect the touch pad cable before lifting up the top cover. Removing the Touch Pad To remove the touch pad, first remove the top cover (see Removing the Top Cover), then perform the following steps: 1. On the other side of the top cover unscrew the screws on the Touch Pad assembly as shown in Fig. 36 and remove the touch pad assembly from the palm rest. A = M2x3 Black B = M2x3.5 Silver Fig.
Removing the Floppy Disk Drive To remove the FDD, first remove the Top Cover (see Removing the Top Cover), then perform the following steps: 1. Remove the screw retaining the FDD and disconnect the FDD flat cable connector as shown in Fig. 37. M2x4.5 Silver Fig. 37 Removing the FDD 2. Carefully remove the floppy disk drive as shown in Fig. 38 Fig. 38 Lifting up the FDD Note: Be aware that there is a Mylar sticker on top of the FDD and bottom cover. Make sure that it proper sticks when assembling.
Removing the Audio Board To remove the Audio board, first remove the Top Cover (see Removing the Top Cover), remove the FDD (see Removing the FDD) then perform the following steps: 1. Remove the screws on the Audio board and disconnect the speaker cable as shown in Fig. 39 . M2x4.5 Silver Fig. 39 Audio Board screws and speakers connector 2. Carefully remove the audio front panel as shown in Fig. 40 and put it aside. Fig. 40 Removing the audio front panel 3. Lift up the audio board as shown in Fig.
Fig. 41 Lifting the Audio Board 4. Disconnect and remove the RTC battery from the audio board. Fig. 42 Removing the RTC Battery 5. Separate the HDD flat cable connector from the audio board. Fig.
1. Remove the screws holding the main board in place as shown in Fig. 44 A = M2.5x5 Silver B = M2x4 Silver C = M2.5x5 Silver D = M5x6 Silver Fig. 44 Removing the main board screws E = M5x18 Silver 2. Remove all spacers on the I/O panel at the rear of the unit as shown in Fig. 45. F = M5x17 Silver Fig. 45 Remove the spacers on the I/O panel 3. Lift the main board out of the system and put it aside as shown in Fig. 46 G = M5x12 Silver M2.
Fig. 46 Removing Main Board Removing the speakers To remove the speaker, first open the Top Cover (see Removing the Top Cover), remove the FDD (see Removing the FDD) and remove Audio Board (see Removing the Audio Board) then perform the following steps: 1. Remove the screws holding the audio board holder as shown in Fig. 47 M2x4.5 Silver Fig. 47 Screw at Audio Board Holder 2. Carefully remove the speaker assembly from bottom base and put it aside.
DIP Switch Setting Dip Switch Description SW1 Bit1 Keyboard Select1 SW1 Bit2 Keyboard Select2 SW2 Bit1 CMOS password SW2 Bit2 Security SW3 Bit1 Mobo ID SW3 Bit2 DVDSEL Seeting Refer to the below table Refer to the below table ON: Password Override OFF: Normal (Default) ON : Security By Pass OFF: Security Mode Reserved ON: Default CD-ROM CD-224E-CN4 CD-ROM CRN8245B-ANCB17 CR-RW UJDA360NE3-Z DVD-ROM SDC2612-NEN-MJ Bit 1 OFF ON OFF ON Bit 2 OFF OFF ON ON Keyboard code JP Keyboard (Lavie) US Keyboard
Screws M2x3 Silver M2.4x4.5 Silver M2.5x5 Silver M2.5x7 Silver M2.5x4 Silver M2x7.5 Silver M5x16 Silver M2x10 Silver M3x4 Black M2x3 Black M2x3.5 Silver M2.5x5 Silver M2x4 Silver M5x6 Silver M5x18 Silver M5x17 Silver M5x12 Silver M2.
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.
