Service Manuals, User Guides, Schematic Diagrams or docs for : PACKARD BELL Laptop versa p520

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versa p520


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       NEC
    Versa P520
Disassembly Manual
                                                              Table of contents
Overview.................................................................................................................................................................3
Technician Notes....................................................................................................................................................3
Disassembly Instructions........................................................................................................................................3
Reassembly Instructions ........................................................................................................................................3
Required Tools .......................................................................................................................................................3
Hazardous Voltage .................................................................................................................................................4
Avoid Electrostatic Discharge.................................................................................................................................4
Power Supply Unit ..................................................................................................................................................4
Removing the Battery.............................................................................................................................................5
Removing the memory module ..............................................................................................................................5
Removing the Wireless LAN Mini PCI Card...........................................................................................................6
Removing the Multi Bay Floppy Disk Drive ............................................................................................................7
Removing the Versa Bay IV Optical Drive .............................................................................................................7
Removing the Keyboard Cover ..............................................................................................................................8
Removing the Keyboard.........................................................................................................................................8
Removing the LED's and Switch Board .................................................................................................................9
Removing the Thermal Plate................................................................................................................................10
Removing the CPU Fan .......................................................................................................................................10
Removing the CPU Heat Sink ..............................................................................................................................11
Removing the CPU...............................................................................................................................................11
Removing the LCD Assembly ..............................................................................................................................11
Removing the Glide Pad Assembly......................................................................................................................14
Removing the Hard disk drive ..............................................................................................................................16
Removing the Top Cover .....................................................................................................................................18
Removing the RTC Battery, Microphone and connector......................................................................................18
Removing the Audio board...................................................................................................................................19
Removing the charger board................................................................................................................................20
Removing the Versa Bay IV Frame Plate ............................................................................................................20
Removing the Multi Bay rails left and right ...........................................................................................................20
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
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. 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 is properly installed and tightened.



Required Tools
All disassembly procedures can be performed using the following tools:

          Philips screwdriver
          Small flatbed screwdriver
          HEX bolt screwdriver 5mm
          A plastic flatbed screwdriver




                         NEC Versa P520 Disassembly Manual                                      Page 3
                                                                WARNING
Hazardous Voltage                                               Ensure that the computer is disconnected from
There is hazardous voltage present inside the computer          its power source and from all
when it is connected to an AC supply, even when the             telecommunications links, networks, or modem
computer's power switch is off. Exposure to hazardous           lines whenever the chassis cover is removed.
voltage could cause personal injury. To avoid risk of injury,   Do not operate the computer with the cover
contact an Authorized Service Provider for proper               removed.
(un)installation of optional hardware devices.
                                                                AVERTISSEMENT
                                                                Assurez-vous que le syst



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