NEC Versa M320 User's Manual
Contents
1. Fig 6 Removing the memory module 3 Remove the memory module from its slot and put it aside Removing the Wireless LAN amp 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 Hemoving the screws screw retaining the mini PCI slot cover 2 Disconnect the wireless antenna wires from the wireless module and release the two screws retaining the MCD Modem NEC Versa M320 Disassembly Manual Page 7 M2 5x5 Silver Fig 8 Wireless LAN amp 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 aflat screwdriver to lift up the keyboard cover as shown in Fig 9 Fig 9 Hemoving the keyboard cover 2 Lift up the keyboard and disconnect it from the system as shown in Fig 10 NEC Versa M320 Disassembly Manual Page 8 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 t2. Audio Board MER RR 22 Removing the Main 23 FAINT OW MIA Tipe DO ES easton nackte UFU DUM NO PUN CUR GNU 25 Biel 26 uc Ite M rr 27 NOI O e 28 NEC Versa M320 Disassembly Manual Page 2 NEC 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 All troubleshooting and repair procedures are detailed to allow only subassembly module level repair Because of the complexity of the individual boards and subassemblies no one should attempt to make repairs at the component level or to make modifications to any printed wiring board Improper repairs can create a safety hazard Any indication of component replacement or printed wiring board modifications may void any warranty or exchange allowances Disassembly Instructions When disassembling the system unit follow these general rules m Do n
3. When assembly the heat sink tighten the heat sink screws according to the ascending order 132334 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 20 NEC Versa M320 Disassembly Manual Page 12 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 aflat screwdriver to unlock the CPU from the CPU socket and carefully lift up the CPU and put it in a safe place Fig 21 Releasing the CPU NEC Versa M320 Disassembly Manual Page 13 NEC 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 el A M2 5x7 Silver i B M2 5x5 Silver Fig 23 Removing the LCD hinges screws 3 Helease the plastic hinge covers left and right from the base unit as shown in Fig 24 NEC Versa M320 Disassembly Manual Page 14 Fig 24 Heleasing the plastic hinge covers 4 Carefully lift up the LCD module as shown in Fig 25 and
4. the Top Cover then perform the following steps 1 Onthe 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 Fig 36 Touch Pad Assembly NEC Versa M320 Disassembly Manual Oi A M2x3 Black M2x3 5 Silver 20 NEC 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 ei 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 NEC Versa M320 Disassembly Manual Page 21 NEC 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 41 a
5. to ESD and always require careful handling After removing the card from the computer place the card flat on a grounded static free surface component side up Use a conductive foam pad if available but not the card wrapper Do not slide the card over any surface Before you install or remove memory modules video memory disk drives circuit cards or other devices protect them from static electricity To do so make sure your computer s power switch is OFF Then unplug the computer s AC power cord Before picking up the device you un install you should wear an anti static wrist wrap available at electronic supply stores Be sure to connect the wrist wrap to an unpainted metal portion of the computer chassis As an alternative you can dissipate electrostatic build up by touching an unpainted metal portion of the computer chassis with one hand Then touch the device you are un installing with the other hand and maintain continuous contact with it until it is un installed in the computer Power Supply Unit Under no circumstances should you attempt to disassemble the power supply The power supply contains no user serviceable parts Inside the power supply are hazardous voltages that can cause serious personal injury Always return a defective power supply to your dealer WARNING Ensure that the computer is disconnected from its power source and from all telecommunications links networks or modem lines whenever the chassis
6. NEC Versa M320 Disassembly Manual NEC Table of contents 3 3 Dis ssembiy WTS BC MN PT tant E Eia 3 Instructions MM 3 TOOIS EM 3 Hazardous EM 4 Avoid Electrostatic 4 SUDDIY ab 4 REMOVING the 5 Removing the Hard Disk Drive c cccccccccsesececseeeeeeneeeeeeneeseeeceaueeeeseaeeeeseeseeeseaseeessueeessaaeeeeseaueeessageeessaesesenensesenaass 5 Removing the Memory m T 6 Removing the Wireless LAN amp MDC Modem nnne nnn 7 Removing Ne qe i i ON ERR EE T TET 8 Removing the optical disk ERR Um Ur 9 E AE E 10 Removing the LOD 14 Removing the LOD Panel 16 FEMOVING the TOD GOV SM qu 18 Removing the Ir AC TEE 20 Removing the Floppy Disk Drive ccccsssccccesseeeceesscecsessececseeeeceeseeeseaseeessaeeeceaaeesseaseeessaueeessagseeesegseesssageeeees 21 REMOVING the
7. SSIONS CONTAINED HEREIN NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING PERFORMANCE OR USE OF THIS MATERIAL Copyright 2003 NEC Computers International BV All rights reserved NEC is a trademark of NEC Computers International BV The names of actual companies and products mentioned herein may be trademarks and or registered trademarks of their respective owners Versa M320 Disassembly Manual Author Allen Koay and Bens_Dan First Edition September 2003 Document Part Number Version 2 0 NECCM A division of NEC Computers International BV NEC Versa M320 Disassembly Manual Page 28
8. cover is removed Do not operate the computer with the cover removed AVERTISSEMENT Assurez vous que le syst me est d branch de son alimentation ainsi que de toutes les liaisons de t l communication des r seaux et des lignes de modem avant d enlever le capot Ne pas utiliser le syst me quand le capot est enlev WARNUNG Das System darf weder an eine Stromquelle angeschlossen sein noch eine Verbindung mit einer Telekommunikationseinrichtung einem Netzwerk oder einer Modem Leitung haben wenn die Geh useabdeckung entfernt wird Nehmen Sie das System nicht ohne die Abdeckung in Betrieb ADVERTENCIA Asegurese de que cada vez que se quite la cubierta del chasis el sistema haya sido desconectado de la red de alimentaci n y de todos lo enlaces de telecomunicaciones de red y de l neas de m dem No ponga en funcionamiento el sistema mientras la cubierta est quitada WAARSCHUWING Zorg er voor dat alle verbindingen van en naar de computer stroom modem netwerk etc verbroken worden voordat de behuizing geopend wordt Zet de computer nooit aan als de behuizing geopend is AVVERTENZA Prima di rimuovere il coperchio del telaio assicurarsi che il sistema sia scollegato dall alimentazione da tutti i collegamenti di comunicazione reti o linee di modem Non avviare il sistema senza aver prima messo a posto il coperchio NEC Versa M320 Disassembly Manual Page 4 NEC Removing the Battery Perform the followin
9. g 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 A M2x3 Silver Fig 2 Removing the Hard disk drive cover screws 5 Lift up the hard disk drive and disconnect it as shown in Fig NEC Versa M320 Disassembly Manual Page 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 5 Removing the screw retaining the memory module slot cover NEC Versa M320 Disassembly Manual Page 6 NEC 2 Unclip memory module as shown in Fig 6 cere MA 1 ihi E ams nh ue o ul e T WI a ih TED E Ly n uu I M
10. he screws retaining the optical drive connector as shown in Fig 11 oet 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 12 Removing the optical drive NEC Versa M320 Disassembly Manual Page 9 NEC 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 OB 1 B M2x3 Silver ei 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 Release the screws on the LED board as shown in Fig 15 NEC Versa M320 Disassembly Manual Page 10 Fig 15 Removing the one screw LED board Lift up the LED board as shown in Fig 16 05000585 Fig 16 Lifting up the LED board Release the screws retaining the CPU Fan as shown in Fig 17 Fig 17 CPU Fan screws Carefully lift up the CPU fan as shown in Fig 18 and disconnect the fan connection NEC Versa M320 Disassembly Manual M2x7 5 Silver Hex bolt M5x16 Silver rj M2x4 5 Silver Page 11 Fig 18 Lifting up the CPU fan 7 Release the screws on the heat sink in descending order 49321 as shown in Fig 19 M2x10 Silver Fig 19 Releasing the CPU Heat Sink Note
11. ifting 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 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 ei M2x4 5 Silver Fig 32 Removing Wireless Antenna Removing the Top Cover To remove the Top Cover first remove then remove the keyboard see Removing the keyboard remove the CPU see Removing the CPU remove the LCD module see Removing the LCD Module then perform the following steps NEC Versa M320 Disassembly Manual Page 18 1 Release all screws as shown in Fig 33 and disconnect Touch Pad Connection from main board Fig 33 Removing the top cover screws 2 Flip over the unit and remove the screws as shown in Fig 34 Fig 34 Hemoving the top cover screws on the bottom of the system 3 Carefully lift up release the top cover and put it aside NEC Versa M320 Disassembly Manual el A M2 5x7 Silver ei B M2x4 5 Silver el M2 5x7 Silver ei A M2x4 5 Silver Page 19 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
12. lowing 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 NEC Versa M320 Disassembly Manual Page 25 NEC DIP Switch Setting Dip Switch Description Seeting SW1 Bit1 Keyboard Refer to the below table bil RR E SW1 Bit2 Keyboard Refer to the below table ee C a SW Bit1 CMOS password ON Password Override a OFF Normal Default SW Bit2 Security ON Security By Pass oW3 Bit2 DVDSEL ON Default CD ROM CD 224E CN4 CD ROM CRN8245B ANCB17 CR RW UJDAS360NE3 Z DVD ROM SDC2612 NEN MJ Bit 1 X Bit 2 Keyboard code JP Keyboard Lavie NEC Versa M320 Disassembly Manual Page 26 NEC Screws M2 4x4 5 Silver M2 5x7 Silver el ol M2 5x4 Silver M2x7 5 Silver M5xi Silvr M2x10 Silver e M3x4 Black M2x3 5 Silver M2 5x5 Silver M2x4 Silver M5x6 Silver M5x17 Silver M5x12 Silver M2 5x10 Silver NEC Versa M320 Disassembly Manual Page 27 NEC 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 OMI
13. nd put it aside NEC Versa M320 Disassembly Manual Page 22 Fig 41 Lifting the Audio Board 4 Disconnect and remove the RTC battery from the audio board Fig 42 Removing the Battery 5 Separate the HDD flat cable connector from the audio board Fig 43 Removing the HDD flat cable connector Removing the Main Board To remove the main board first remove the top cover see Removing the Top Cover remove the FDD see Removing the FDD and remove the audio board see Removing the Audio Board then perform the following steps NEC Versa M320 Disassembly Manual Page 23 NEC 1 Remove the screws holding the main board in place as shown in Fig 44 M2 5x5 Silver ox M2x4 Silver C M2 5x5 Silver D 5 Silver Fig 44 Removing the main board screws gt 5 18 Silver 2 Remove all spacers on the I O panel at the rear of the unit as shown in Fig 45 M5x17 Silver Fig 45 Remove the spacers on the I O panel 3 Liftthe main board out of the system and put it aside as shown in Fig 46 e 5 12 Silver M2 5x10 Silver NEC Versa M320 Disassembly Manual Page 24 Fig 46 Removing Main Board Removing the speakers To remove the speaker first open the Top Cover see Hemoving the Top Cover remove the FDD see Removing the FDD and remove Audio Board see Removing the Audio Board then perform the fol
14. ot disassemble the system into parts that are smaller than those specified in the instructions Label all removed connectors Note where the connector goes and in what position it was installed Turn off the power and disconnect all power and all options Reassembly Instructions Reassembly is the reverse of the disassembly process Use care to ensure that all cables and screws are returned to their proper positions Check that no tools or any loose parts have been left inside the chassis Check that everything are properly installed and tightened Required Tools All disassembly procedures can be perform using the following tools PH 0x60 Philips screwdriver PH 0x40 Philips screwdriver 4 0 x 60 Flat screwdriver 2 0 x 30 Flat screwdriver SW5 0 Spacer screwdriver Small tweezers Pin NEC Versa M320 Disassembly Manual Page 3 NEC 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 To reduce risk of damage store them in protective packaging whenever they are not installed in your system Add in cards can be extremely sensitive
15. 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 NEC Versa M320 Disassembly Manual Page 15 NEC 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 gt ei V A z M2x4 5 Silver ef B M2 5x5 Silver Fig 27 Screws on the LCD Module NEC Versa M320 Disassembly Manual Page 16 NEC 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 ei A M2x4 5 Silver et 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 NEC Versa M320 Disassembly Manual Page 17 Fig 30 L
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