NEC Versa P520 Disassembly Manual
Table of contents Overview.................................................................................................................................................................3 Technician Notes....................................................................................................................................................3 Disassembly Instructions.....................................................................................................................................
Overview This document contains step-by-step disassembly instructions for the Versa P520 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 P520 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 connected 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 1. 2. 3. 4. Make sure the notebook is powered off. Close the lid of the notebook. Turn the unit upside down. Unlock the battery and lift it out of its place. Fig. 1: Removing the battery Make sure that in all the disassembly steps that the battery is removed! Removing the memory module 1. 2. 3. 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.
Removing the Wireless LAN Mini PCI Card 1. 2. Unscrew one screw to remove the Wireless LAN Module slot cover. Carefully disconnect the two antenna wires connected to the mini PCI card. M2.3x3 Fig. 3: Disconnecting the antenna wires 3. Pull apart the clips retaining the mini PCI card in order to release the LAN wireless mini PCI card a put it aside. Fig.
Removing the Multi Bay Floppy Disk Drive 1. 2. Slide the latch as shown in the picture to unlock the Multi Bay Device. Carefully extract the Multi Bay floppy disk drive from its location. Fig. 5: Removing the floppy disk drive Removing the Versa Bay IV Optical Drive 1. 2. 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.
Removing the Keyboard Cover 1. Carefully insert a flat screwdriver in the positions as shown in the picture, release the keyboard cover and put it aside. Fig. 7: Removing the keyboard cover Removing the Keyboard 1. 2. Remove 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 3. Locate the connector on the main board where the keyboard cable is connected.
Fig. 9: Disconnecting the keyboard flat cable from the main board 4. Gently unlock the keyboard flat cable form the connector on the main board and free up the keyboard cable. 5. Take out the keyboard and put it aside. Removing the LED's and Switch Board 1. 2. 3. Remove the keyboard Cover Lift up the keyboard. Unscrew the one screw retaining the LED’s and switch board and remove it. Fig.
Removing the Thermal Plate 4. 5. 6. 7. Remove the keyboard cover. Remove the Keyboard. Remove the LED's and switch board. Remove the screws maintaining the Thermal Plate as shown in the picture below. (14)=M2x4 Fig. 11: Removing the thermal plate (Arrows) 3xM2x6 Removing the CPU Fan 1. 2. 3. 4. Remove the thermal plate. Disconnect the connector fan. Unscrew the screws (18) and (10). Extract carefully the CPU fan. (10)=M2.3x5 Fig.
Removing the CPU Heat Sink 1. 2. 3. Remove the thermal plate. Remove the CPU fan. Unscrew the four screws (12) in sequence 1>2>3>4 and remove carefully the CPU heat sink. (12)=M2.3x9 Fig. 13: Removing the CPU heat sink Removing the CPU 1. 2. 3. 4. Remove the thermal plate. Remove the CPU fan. Remove CPU heat sink. Unlock the CPU with an appropriate screwdriver, turning it anti clockwise and extract carefully the CPU. Fig. 14: Removing the CPU Removing the LCD Assembly 1. 2. 3. 4. 5.
6. Remove the left and right hinge plastic covers with an appropriate screwdriver. Fig. 15: Removing the plastic hinge covers 7. 8. Disconnect the cover switch cable connector (A =2 pin). Disconnect the LCD flat cable connector (B). Fig.
9. Free up the wireless antenna wires. Fig. 17: Freeing up the wireless antenna wires 10. Release the wireless antenna wires. Fig. 18: Releasing the wireless antenna wires 11. 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 12. Turn the system and remove the 2 rear hinge screws (11) and 2 rear screws (10) as shown in the picture.
(10)=M2.3x.5 (11)=M2.3x7 Fig. 20: Removing the 2 rear hinge screws 13. Carefully now open the LCD cover and while freeing the LCD flat cable and the antenna wires, lift up carefully the LCD Assembly and put it aside. Fig. 21: Removing the LCD assembly Removing the Glide Pad Assembly 1. 2. 3. Remove the keyboard cover. Remove the keyboard. Disconnect the Glide Pad flat cable from the main board as is shown in Fig 22.
Fig. 22: Disconnecting the glide pad flat cable 4. Close the LCD cover (if you did not disassemble the LCD assembly) and turn the system upside down in order to remove the following screws (10, 11, 13). (10)=M2.3x5 (11)=M2.3x7 Fig. 23: Removing the bottom screws retaining the glide pad assembly (13)=M2.3x12 5. Put back the system in normal position and remove the glide pad assembly. Fig. 24: Removing the glide pad assembly 6.
(16)=M2x4 Fig. 25: Removing the 4 screws retaining the glide pad 7. Disconnect the glide pad internal flat cable in order to separate the glide pad electronic form the metal support. Fig. 26: Disconnecting the glide pad internal flat cable Removing the Hard disk drive 1. 2. 3. 4. Remove the keyboard cover. Remove the Keyboard. Remove the glide pad assembly without disassembling the glide pad module.
5. 6. Put the hard disk drive assembly aside in order to disassemble the hard disk drive. Remove the four screws (9) as shows in the following picture. Black (9)=M3x3 Fig. 28: Removing the 4 screws retaining the hard disk drive frame 7. Once the screws (9) are removed, the hard disk drive assembly can be disassembled in the following parts. Fig.
Removing the Top Cover 1. Remove the LCD Assembly. 2. Remove the Glide Pad Assembly. 3. Remove the following screws (14), (16), (17) as shown in the picture below and take out carefully the top cover. (14)=M2x6 (16)=M2.3x4 Fig. 30: Removing the plastic top cover (17)=M2x6 Removing the RTC Battery, Microphone and connector 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.
Removing the Audio board 1. 2. 3. 4. Remove the RTC battery, microphone and connector module. Remove the top cover. Disconnect the speaker connector. Unscrew the one screw retaining the audio board as shown in the picture below. M2x4 Fig. 32: Removing the audio board screw and disconnecting the speakers 4. Remove the Audio board and free up the front audio panel. Fig.
Removing the charger board 1. Unscrew the two screws (14) retaining the charger board on the audio board (14)=M2.3x4 . Fig. 34: Removing the charger board 2. Disconnect the charger board from the audio board. Removing the Versa Bay IV Frame Plate 1. 2. 3. 4. Remove hard disk drive assembly. Remove the top cover. Remove the audio board. Unscrew the screw (20) and remove the Versa Bay IV plate. Fig.
(10)=M2.3x6 Fig. 36: Removing the Multi Bay rails left and right Removing the metal DC-IN bracket 1. Remove the top cover. 2. Unscrew the two screws (10) and remove the DC-in bracket. Arrow M2.3x 4 Hex Bolt (20)=H7 L6 Fig. 37: Removing the DC-in bracket Hex Bolt (25)=H11.7 L=5.
Removing the Main board To remove the main board make sure that the following steps have been performed: 1. Removing the top cover 2. Removing the audio board 3. Removing the Versa Bay IV Frame Plate 4. Removing the Multi Bay rails left and right 5. Removing the metal DC-IN bracket 6. Remove the screws and hex. Bolts as shown in the Fig 38. Hex Bolt (1)=M2.3x4.5 Cone (5)=M2.3x4.5 (10)=M2.3x4.5 (14)=M2.3x4.5 Fig. 38: Removing screws and hex bolts retaining the main board 7.
Fig. 40: Removing the MDC modem and his cable Note: To remove the MDC modem only you do not need to remove the Main board, You can remove it by opening the mini PCI wireless and MDC modem slot cover on the back of the system. !!! (14)=M2.3x4.5 Removing the Speakers Set As shown in Fig 41. Fig.
Removing the I/O Door As shown in Fig 42. Fig.
LCD disassembly 1. Remove the LCD assembly. 2. Remove the rubbers (A) and the Mylar stickers (B) covering the hinge screws. A B Fig. 43: Removing LCD Mylar stickers and rubbers 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.
Fig. 45: Unclipping the LCD plastic front cover 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.
6. To remove the latch spring do as shown in Fig 47. Fig. 47: Removing the latch spring 7. Remove on both side of the bottom cover of the LCD the 6 screws (4) in order to extract the bare LCD as shown below. (4)=M2x3 Fig. 48: Removing the screws retaining the LCD 8. Remove also the screws (10) and (16) as shown in the following picture. (10)=M2.3x4.5 (16)=M2x4 Fig.
9. 10. Separate the LCD from the bottom cover. Turn upside down the LCD and disconnect the LCD (B) cable and the inverter connector (A) as shown in the following picture. Fig. 50: Disconnecting the LCD cable and the inverter 11. Put aside the inverter board and disconnect carefully the LCD cable from the panel and put it aside. Fig. 51: Removing the LCD flat cable from the panel 12. Remove on both sides of the LCD the four screws (4) in order to remove the left and right hinges assembly.
(4)=M2x3 Fig. 52: Removing the LCD left and right hinges assembly 13. 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.
14. To remove the antenna wires, unscrew the screws (16) and remove the tapes, which hold the antenna wires on the LCD bottom cover. Fig. 54: Removing the antenna wires (16)=M2x3 Disassembling the Optical drive 1. 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 2. Separate the drive and the plastic frame. Fig.
3. To disassemble the plastic frame, do as shown in the following picture. Fig. 57: Disassembling the plastic frame 4. To disassemble the front bezel, open the tray with a paper clip and unclip the front bezel as shown in the Fig 58. Fig.
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.
