NEC Versa P520 Disassembly Manual
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NEC Versa P520 Disassembly Manual

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Versa P520
Disassembly Manual

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Summary of Contents for NEC Versa P520

  • Page 1 Versa P520 Disassembly Manual...

  • Page 2: Table Of Contents

    Removing the metal DC-IN bracket........................21 Removing the Main board ............................22 Removing the MDC Modem cable ........................22 Removing the Speakers Set..........................23 Removing the I/O Door............................24 LCD disassembly..............................25 Disassembling the Optical drive ...........................30 Notice ...................................32 NEC Versa P520 Disassembly Manual Page 2...

  • Page 3: Overview

    NEC reserves the right to make changes to the Versa P520 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.

  • Page 4: Hazardous Voltage

    Inside the power supply are hazardous avviare il sistema senza aver prima messo a voltages that can cause serious personal injury. Always posto il coperchio return a defective power supply to your dealer. NEC Versa P520 Disassembly Manual Page 4...

  • Page 5: Removing The Battery

    Unscrew one screw to remove the memory module slot cover. Pull apart the clips retaining the memory module in order to release the module Remove the memory module M2.3x3 Fig. 2: Removing the memory module NEC Versa P520 Disassembly Manual Page 5...

  • Page 6: Removing The Wireless Lan Mini Pci Card

    Fig. 3: Disconnecting the antenna wires Pull apart the clips retaining the mini PCI card in order to release the LAN wireless mini PCI card a put it aside. Fig. 4: Removing the Wireless LAN mini PCI card NEC Versa P520 Disassembly Manual Page 6...

  • Page 7: Removing The Multi Bay Floppy Disk Drive

    Slide the latch as shown in the picture to unlock the Versa Bay Optical drive. Carefully extract the Versa Bay IV drive from its location. Fig. 6: Removing the Versa Bay IV optical drive NEC Versa P520 Disassembly Manual Page 7...

  • Page 8: Removing The Keyboard Cover

    Carefully lift up the keyboard and put it face down on the front of the notebook taking care not to rip off the keyboard flat cable. Fig. 8: Lifting up the keyboard Locate the connector on the main board where the keyboard cable is connected. NEC Versa P520 Disassembly Manual Page 8...

  • Page 9: Removing The Led's And Switch Board

    Removing the LED's and Switch Board Remove the keyboard Cover Lift up the keyboard. Unscrew the one screw retaining the LED’s and switch board and remove it. Fig. 10: Removing the LED’s and switch board M2x6 NEC Versa P520 Disassembly Manual Page 9...

  • Page 10: Removing The Thermal Plate

    (Arrows) 3xM2x6 Removing the CPU Fan Remove the thermal plate. Disconnect the connector fan. Unscrew the screws (18) and (10). Extract carefully the CPU fan. (10)=M2.3x5 Fig. 12: Removing the CPU fan (18)=M2x4 NEC Versa P520 Disassembly Manual Page 10...

  • Page 11: Removing The Cpu Heat Sink

    Fig. 14: Removing the CPU Removing the LCD Assembly Disconnect the antenna wires from the mini PCI wireless LAN card. Remove the keyboard cover. Remove the Keyboard. Remove the LED's and switch board. Remove the thermal plate. NEC Versa P520 Disassembly Manual Page 11...
  • Page 12 Remove the left and right hinge plastic covers with an appropriate screwdriver. Fig. 15: Removing the plastic hinge covers Disconnect the cover switch cable connector (A =2 pin). Disconnect the LCD flat cable connector (B). Fig. 16: Removing the LCD flat cable connector NEC Versa P520 Disassembly Manual Page 12...
  • Page 13 Close the LCD cover, turn upside down the system and remove the 2 bottom hinge screws (12). (12)=M2.3x9 Fig. 19: Removing the 2 bottom hinge screws Turn the system and remove the 2 rear hinge screws (11) and 2 rear screws (10) as shown in the picture. NEC Versa P520 Disassembly Manual Page 13...

  • Page 14: Removing The Glide Pad Assembly

    Fig. 21: Removing the LCD assembly Removing the Glide Pad Assembly Remove the keyboard cover. Remove the keyboard. Disconnect the Glide Pad flat cable from the main board as is shown in Fig 22. NEC Versa P520 Disassembly Manual Page 14...
  • Page 15 Fig. 24: Removing the glide pad assembly On the other side of the glide pad assembly, remove the 4 screws (16) in order to remove the glide pad module as shown in Fig 25. NEC Versa P520 Disassembly Manual Page 15...

  • Page 16: Removing The Hard Disk Drive

    Remove the screws (17) holding the hard disk drive assembly and disconnect the hard disk drive as shown in the following picture. (17)=M2x4.5 Fig. 27: Removing the hard disk drive assembly NEC Versa P520 Disassembly Manual Page 16...
  • Page 17 Fig. 28: Removing the 4 screws retaining the hard disk drive frame Once the screws (9) are removed, the hard disk drive assembly can be disassembled in the following parts. Fig. 29: Removing the hard disk drive NEC Versa P520 Disassembly Manual Page 17...

  • Page 18: Removing The Top Cover

    1. Once you have removed the top cover disconnect the RTC battery (B), the Microphone (C) and the connector (C) as shown in the picture below and put these items aside. Fig. 31: Removing the RTC battery (B), the microphone (C) and connector (A) NEC Versa P520 Disassembly Manual Page 18...

  • Page 19: Removing The Audio Board

    4. Remove the Audio board and free up the front audio panel. Fig. 33: Removing the audio board and the front audio panel Pay attention on the audio board the charger board is still connected! NEC Versa P520 Disassembly Manual Page 19...

  • Page 20: Removing The Charger Board

    Remove hard disk drive assembly. Remove the top cover. Remove the audio board. Remove the Versa Bay IV frame plate. 5. Unscrew the screws (20), (25), (10) and remove the two rails. See Fig 36. NEC Versa P520 Disassembly Manual Page 20...

  • Page 21: Removing The Metal Dc-In Bracket

    Arrow M2.3x 4 1. Remove the top cover. 2. Unscrew the two screws (10) and remove the DC-in bracket. Hex Bolt (20)=H7 L6 Fig. 37: Removing the DC-in bracket Hex Bolt (25)=H11.7 L=5.5 NEC Versa P520 Disassembly Manual Page 21...

  • Page 22: Removing The Main Board

    2. Turn upside down the main board. 3. Disconnect on both sides the modem cable and put it aside Hex Bolt 4. Unscrew the screws (14) and remove the MDC modem as shown in Fig 40. (25)= 11.7 L=5.5 NEC Versa P520 Disassembly Manual Page 22...

  • Page 23: Removing The Speakers Set

    PCI wireless and MDC modem slot cover on the back of the system. !!! Removing the Speakers Set As shown in Fig 41. Fig. 41: Removing the speaker set NEC Versa P520 Disassembly Manual Page 23...

  • Page 24: Removing The I/O Door

    Removing the I/O Door As shown in Fig 42. Fig. 42: Removing the I/O Door NEC Versa P520 Disassembly Manual Page 24...

  • Page 25: Lcd Disassembly

    3. Remove the 2 screws (17) and the 2 screws (10). (17)=M2x4 (10)=M2.3x5 Fig. 44: Removing the LCD front cover screws 4. Carefully unclip the plastic front cover of the LCD in the following sequences (1>2>3>4) as shown in Fig 45. NEC Versa P520 Disassembly Manual Page 25...
  • Page 26 4. Put the unclipped plastic front cover of the LCD aside. 5. To remove the LCD latch from the front cover of the LCD do as shown in Fig 46. Fig. 46: Removing the LCD front cover latch NEC Versa P520 Disassembly Manual Page 26...
  • Page 27 LCD as shown below. (4)=M2x3 Fig. 48: Removing the screws retaining the LCD Remove also the screws (10) and (16) as shown in the following picture. (10)=M2.3x4.5 (16)=M2x4 Fig. 49: Removing hinges and inverter screws NEC Versa P520 Disassembly Manual Page 27...
  • Page 28 Fig. 51: Removing the LCD flat cable from the panel Remove on both sides of the LCD the four screws (4) in order to remove the left and right hinges assembly. NEC Versa P520 Disassembly Manual Page 28...
  • Page 29 Fig. 52: Removing the LCD left and right hinges assembly Put aside the hinges assembly and remove the cover switch cable on left hinge assembly as shown in the following picture. Fig. 53: Removing the cover switch cable M1.5x5 NEC Versa P520 Disassembly Manual Page 29...

  • Page 30: Disassembling The Optical Drive

    Remove the screws (5) and (7) from the drive assembly (7)=(4)=M2x3 Fig. 55: Removing the screws retaining the frame of the optical drive Separate the drive and the plastic frame. Fig. 56: Separating the optical drive from its frame NEC Versa P520 Disassembly Manual Page 30...
  • Page 31 Fig. 57: Disassembling the plastic frame To disassemble the front bezel, open the tray with a paper clip and unclip the front bezel as shown in the Fig 58. Fig. 58: Removing the front bezel NEC Versa P520 Disassembly Manual Page 31...

  • Page 32: 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;...

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