NEC M320 manual Overview, Technician Notes, Disassembly Instructions, Reassembly Instructions

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Overview

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:

„Do not 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

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Contents Versa M320 Disassembly Manual NEC Versa M320 Disassembly Manual Table of contentsTechnician Notes Disassembly InstructionsReassembly Instructions OverviewAVERTISSEMENT Power Supply UnitHazardous Voltage Avoid Electrostatic DischargeRemoving the Hard Disk Drive Removing the BatteryRemoving the Memory Module Removing the Wireless LAN & MDC Modem Module Removing the Keyboard Fig. 12 Removing the optical drive Removing the optical disk driveFig. 10 Removing the keyboard flat cable Fig. 11 Releasing the optical driveFig. 14 Removing the heat plate Removing the CPU4. Lift up the LED board as shown in Fig Fig. 18 Lifting up the CPU fan Fig. 19 Releasing the CPU Heat SinkM2x10 Silver Fig. 21 Releasing the CPU Fig. 20 Removing the heat sinkRemoving the LCD Module Fig. 22 Removing the CoilFig. 23 Removing the LCD hinges screws Fig. 25 Lifting up the LCD module Fig. 24 Releasing the plastic hinge coversDisassembling the LCD Panel 4. Unscrew all screws encircled in Fig Removing the Top Cover Fig. 32 Removing Wireless AntennaFig. 31 Removing the LCD Panel hinges Fig. 33 Removing the top cover screws A = M2.5x7 Silver B = M2x4.5 Silver M2.5x7 SilverA = M2x4.5 Silver Removing the Touch Pad Fig. 36 Touch Pad AssemblyFig. 35 Removing the top cover Removing the Floppy Disk Drive Fig. 37 Removing the FDDFig. 38 Lifting up the FDD Removing the Audio Board Fig. 39 Audio Board screws and speakers connectorFig. 40 Removing the audio front panel Fig. 41 Lifting the Audio Board Removing the Main BoardFig. 42 Removing the RTC Battery Fig. 43 Removing the HDD flat cable connectorC = M2.5x5 Silver D = M5x6 Silver Fig. 44 Removing the main board screwsFig. 45 Remove the spacers on the I/O panel A = M2.5x5 Silver B = M2x4 SilverRemoving the speakers Fig. 46 Removing Main BoardFig. 47 Screw at Audio Board Holder Seeting DIP Switch SettingDip Switch DescriptionScrews Versa M320 Disassembly Manual
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