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Packard Bell
EasyNote B3
Disassembly Manual
1

Table of Contents
Overview....................................................................................................................................................... 2
Technician Notes.......................................................................................................................................... 2
Disassembly Instructions.............................................................................................................................. 2
Reassembly Instructions .............................................................................................................................. 2
Required Tools ............................................................................................................................................. 2
Hazardous Voltage ....................................................................................................................................... 3
Avoid Electrostatic Discharge....................................................................................................................... 3
Power Supply Unit ........................................................................................................................................ 3
System Disassembly .................................................................................................................................... 4
HDD .......................................................................................................................................................... 4
Memory Module ........................................................................................................................................ 4
Optical Drive ............................................................................................................................................. 4
CPU and Heat Sink Assembly .................................................................................................................. 4
WiFi LAN Adapter (Mini PCI) .................................................................................................................... 5
Keyboard................................................................................................................................................... 6
Speakers ................................................................................................................................................... 7
LCD Screen Assembly.............................................................................................................................. 8
Main Board................................................................................................................................................ 8
Translation Board.................................................................................................................................... 10
Modem .................................................................................................................................................... 10
Touchpad Assembly ............................................................................................................................... 10
LCD Switch ............................................................................................................................................. 10
LCD Screen Disassembly........................................................................................................................... 11
LCD Lid Assembly .................................................................................................................................. 11
LCD Bezel............................................................................................................................................... 11
Inverter Board ......................................................................................................................................... 12
LCD Panel............................................................................................................................................... 12
Wireless Antenna.................................................................................................................................... 13
LCD Lid Hook.......................................................................................................................................... 13
Notice.......................................................................................................................................................... 14

Packard Bell EasyNote B3 Disassembly Manual
2

Overview
This document contains step-by-step disassembly instructions for the EasyNote B3 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.

Packard Bell reserves the right to make changes to the EasyNote B3 chassis without notice.

Technician Notes
Only technicians authorized by NEC Computers International B.V. 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:

n Turn off the power and disconnect the AC adapter, and all cables and peripherals.
n Remove the battery: Unlock both latches of the battery compartment and slide out the battery.
n Label all removed connectors. Note where the connector goes and in what position it was
installed.
n Do not disassemble the system into parts that are smaller than those specified in the
instructions.

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:

n Small Philips screwdriver
n Flat-head screwdriver
n Hex bolt screwdriver

Packard Bell EasyNote B3 Disassembly Manual
3

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