NEC M320 инструкция обслуживания

NEC V ersa M320 Disassembly Manual[...]

NEC Versa M320 Disassembly Manual Page 2 Table of contents Overview .................................................................................................................................................................3 Technician Notes ......................................................................................................[...]

NEC Versa M320 Disassembly Manual Page 3 Overview This document contains st ep-by-steps disa ssembly in structions for the Versa M320 chas si s. The instruction s are illustrated where necessa r y with images of the part that is being removed or disassembl ed. Furthermore, the screws that are removed are shown next to the image of the parts them se[...]

NEC Versa M320 Disassembly Manual Page 4 Hazardous Voltage There is hazardous voltage present insi de 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 [...]

Removing the Battery Perform the following steps to remove t he 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 Removi[...]

Fig. 3 Disconnecting the hard disk drive Note: Use extra care when disconnectin g the HDD co nnect or 6. Unscrew the four screws on both sid e s of the hard disk drive as shown in Fig. 4 Fig. 4 Unscrewing the hard disk drive bracket screws Removing the Memory Modul e To remove the Memory Module, first remove the battery (see Removing the Batte ry )[...]

2. Unclip memory module as sho wn 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 Mode m Module, first remove the battery (see Removing the Battery ), then perform the following steps: 1. Remove the screw retaining[...]

NEC Versa M320 Disassembly Manual Page 8 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 t he MDC mo dem a nd put the modem aside. Removing the Keyboard To remove the Keyboard, first remove the battery (see Removing the Battery ),[...]

Fig. 10 Removing the keyboard flat cable Removing the optical disk drive To remove the ODD, first remove the keyboard (see Remo vin g the Keyboard ), then perform the following steps: 1. Remove the screws retaining the opt ical drive connector as sho wn in Fig. 11 Fig. 11 Releasing the optical drive 2. Remove the optical drive out from the base uni[...]

Removing the CPU To remove the CPU, first remove the Keyboard (see Removing the K eyboard ), then perfo rm the following steps: 1. Remove the screw retaining the heat pl ate as shown in Fig. 13 Fig. 13 Removing the screws retaining the heat plat e 2. Carefully remove the heat plate as shown in Fig 14 Fig. 14 Removing the heat plate 3. Release the s[...]

NEC Versa M320 Disassembly Manual Page 11 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 retaini ng the CPU F an as shown in Fig. 17 Fig. 17 CPU Fan screws 6. Carefully lift up the CPU fan as shown in Fig. 18 and disconnect the fan connection. M2x7.5 Silve[...]

NEC Versa M320 Disassembly Manual Page 12 Fig. 18 Lifting up the CPU fan 7. Release the screws on the heat sink in descen ding order (4 Æ 3 Æ 2 Æ 1) as shown in Fig. 19. Fig. 19 Releasing the CPU Heat Sink Note: When assembly the heat sink, tighten the he at si nk screws according to the ascending ord er (1 Æ 2 Æ 3 Æ 4). This is to ensure a w[...]

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 so cket and carefully lift up the CPU and put it in a safe place. Fig. 21 Releasing the CPU NEC Versa M320 Disassembly M[...]

NEC Versa M320 Disassembly Manual Page 14 Removing the LCD Module To remove LCD Module remove the keyboard (see Removing the ke yboard ), remove the CP U (see Remo ving the CPU ) , then perform the following steps: 1. Remove the wireless LAN antenn a coil f rom the wires and disconnect the Lid S witch Connection as shown in Fig. 22 Fig. 22 Removing[...]

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 throug h the hole bet we en the top cover and the base. [...]

NEC Versa M320 Disassembly Manual Page 16 Disassembling the LCD Panel To disassemble the LCD panel, first rem ove the LCD module (see Removing the LCD Module ), then perform the following steps: 1. Use an appropriate tool to remove the ru bbers on the LCD front cov er as shown in Fig. 26 Fig. 26 Removing the rubber covers on the LCD front cover 2. [...]

NEC Versa M320 Disassembly Manual Page 17 3. Release the LCD front cover carefully a nd put it asid e as shown in Fig. 28 Fig. 28 Removing the LCD front cover 4. Unscrew all screws encircl ed in Fig. 29 Fig. 29 Removing the LCD panel screws 5. Carefully lift up the LCD panel together wi th the Inverter board and disconnect the LCD cable from the In[...]

NEC Versa M320 Disassembly Manual Page 18 Fig. 30 Lifting up the LCD panel and disconnecting t he inverter boar d 6. Remove the screws on both side s of the LC D pan el in orde r to release the LCD hinges as shown in Fig. 31 Fig. 31 Removing the LCD Panel hinges 7. Remove the screws on both side s of the wi reless antenna as shown in Fig. 32, relea[...]

NEC Versa M320 Disassembly Manual Page 19 1. Release all screws as shown in Fig. 33 and disconnect Touch Pad Conn ectio n 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 Removing the top cover screws on the bottom of the system 3. Carefully lift up, release the top cover[...]

NEC Versa M320 Disassembly Manual Page 20 Fig. 35 Removing the top cover Note: Remember to disconnect the touch pad ca ble befor e lifting up the top cover. Removing the Touch Pad To remove the touch pad, first remove the top cover (see Removi ng the Top Cover ), then perform the following steps: 1. On the other side of the top cover unscr ew the s[...]

NEC Versa M320 Disassembly Manual Page 21 Removing the Floppy Disk Drive To remove the FDD, first remove the Top Cover (see Removin g the Top Cover ), then perform the following steps: 1. Remove the screw retaini ng the FDD a nd di sconnect the FDD flat cable conne ctor a s shown in Fig. 37. Fig. 37 Removing the FDD 2. Carefully remove the floppy d[...]

NEC Versa M320 Disassembly Manual Page 22 Removing the Audio Board To remove the Audio board, first remove the Top Cover (see Rem oving the Top Cover ), remove the FDD (see Removin g the FDD ) then perform the following steps: 1. Remove the screws on the Audio board and discon nect the spea ker cable as shown in Fig. 39 . Fig. 39 Audio Board screws[...]

Fig. 41 Lifting the Audio Board 4. Disconnect and remove the RTC battery from the audio boa rd. Fig. 42 Removing the RTC Battery 5. Separate the HDD flat cable connector from the audio board. Fig. 43 Removing the HDD flat cable connector Removing the Main Boar d To remove the main board, first remove t he top cover (see Removing the Top Cover ), re[...]

NEC Versa M320 Disassembly Manual Page 24 1. Remove the screws holding the main bo ard in pla ce as shown in Fig. 44 Fig. 44 Removing the main board scr ew s 2. Remove all spacers on the I/O panel at the rear of the unit as shown in Fig. 45. Fig. 45 Remove the spacers on the I/O panel 3. Lift the main board out of the syst em and put it aside as sh[...]

Fig. 46 Removing Main Board Removing the speakers To remove the speaker, first open the Top Cover (se e Removing the Top Cover ), remov e the FDD (see Removing the F DD ) and remove Audio Board (see Removing the Aud io Board ) then perform the following steps: 1. Remove the screws holding the audio b oard h older as shown in Fig. 47 Fig. 47 Screw a[...]

DIP Switch Setting NEC Versa M320 Disassembly Manual Page 26 D ip Sw itc h D e sc r ip tion See ting K ey boar d Se le ct1 K ey boar d Se le ct2 O N: P as s wo rd Ov e rri de O F F : No rm a l (Defaul t ) O N : Se cu r ity By Pa ss OFF: Sec ur it y Mode ON: Def aul t CD-RO M CD-22 4E -CN4 CD-RO M CRN82 45 B - A NCB 17 CR-RW UJDA 360NE 3-Z DV D-RO M[...]

NEC Versa M320 Disassembly Manual Page 27 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 M2.5x10 Silver[...]

NEC Versa M320 Disassembly Manual Page 28 Notice The information in this guide is subject to change without notice. This guide contains information prote cted by copyright. No part of this guide may be photocopied or rep ro duced in any form or by any means without prior writt en con se nt from NEC Comp uters International BV. NEC COMPUTERS INTERNA[...]