Lenovo IdeaCentre B520 Manual de lista de piezas
Version 3.0 2011.01
Machine type: 10064/7745
Lenovo
IdeaCentre B5 Series
Hardware Replacement Guide
31047244
Hardware Replacement Guide
© Copyright Lenovo 2011. All rights reserved.
LENOVO products, data, computer software, and services have been developed
exclusively at private expense and are sold to governmental entities as commercial
items as defined by 48 C.F.R. 2.101 with limited and restricted rights to use,
reproduction and disclosure.
LIMITED AND RESTRICTED RIGHTS NOTICE: If products, data, computer
software, or services are delivered pursuant a General Services Administration
“GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth
in Contract No. GS-35F-05925.
© 2011. Lenovo
Contents
Overview...................................................................................... 1
Chapter 1 Locations ................................................................. 5
Locating components and connectors...........................................5
Chapter 2 Replacing hardware................................................ 9
General information........................................................................9
Removing the computer cover.......................................................9
Mounting the computer onto a wall..............................................11
Replacing a memory module .......................................................13
Replacing the optical drive ...........................................................15
Replacing the hard disk drive.......................................................17
Replacing the keyboard ...............................................................19
Replacing the mouse ...................................................................20
Replacing the power cord............................................................21
Chapter 3 Appendix ............................................................... 23
1
Hardware Replacement Guide
Overview
This guide is intended to be used by customers who are replacing Customer
Replaceable Units (CRUs) as well as trained service personnel who are replacing
Field Replaceable Units (FRUs). In this guide, CRUs and FRUs will often be referred
to as parts.
Note: Trained service personnel should refer to the Hardware Maintenance
Manual (HMM) for parts ordering information.
This guide does not include procedures for all parts. It is expected that cables,
switches, and certain mechanical parts can be replaced by trained service
personnel without the need for step-by-step procedures.
Note: Use only parts provided by Lenovo®.
The description of the TV-Tuner card in this manual applies only to those computer
models that have the TV-Tuner card installed. It does not apply to those computer
models that do not have the TV-Tuner card installed.
This guide contains procedures for replacing the following parts:
• Memorymodules
• Harddiskdrive
• Opticaldrive
• Keyboard,Mouse(wired)
• Powercord
Safety information for replacing CRUs
Do not open your computer or attempt any repairs before reading the “Important
safety information” in the Safety and Warranty Guide that was included with your
computer. If you no longer have this copy of the Safety and Warranty Guide, you
can obtain one online from the Support Web site at
http://consumersupport.lenovo.com.
Additional information resources
If you have Internet access, the most up-to-date information for your computer is
available from the World Wide Web.
2Hardware Replacement Guide
You can find the following information:
• CRUremovalandinstallationinformation
• Publications
• Troubleshootinginformation
• Partsinformation
• Linkstootherusefulsourcesofinformation
To access this information, go to: http://consumersupport.lenovo.com
Tools required
To disassemble the computer, you need the following tools:
• Wristgroundingstrapandconductivematforpreventingelectrostatic
discharge
• Flatscrewdriver
• Phillipsscrewdriver
• Hexscrewdriver
• Plasticatscrewdriver
• Plastictweezers
Note: Thescrewsforthedifferentcomponentsvaryinsize.Duringthe
disassembly procedure, group the screws with their corresponding
components to avoid a mismatch when replacing the components.
Handling static-sensitive devices
Static electricity, although harmless to you, can seriously damage computer
components.
When you are replacing a part, do not open the static-protective package
containing the new part until the defective part has been removed from the
computer and you are ready to install the new part.
When you handle parts and other computer components, take these precautions
to avoid static-electricity damage:
• Limityourmovement.Movementcancausestatic-electricitytobuilduparound
you.
3
Hardware Replacement Guide
• Alwayshandlepartsandothercomputercomponentscarefully.Handle
adapters, memory modules, system boards, and microprocessors by the
edges. Never touch any exposed circuitry.
• Preventothersfromtouchingthepartsandothercomputercomponents.
• Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontaining
the part to a metal expansion-slot cover or other unpainted metal surface on
the computer for at least two seconds. This reduces static electricity in the
package and your body.
• Whenpossible,removethenewpartfromthestatic-protectivepackaging,
and install it directly in the computer without setting the part down. When this
is not possible, place the static-protective package that the part came in on a
smooth, level surface and place the part on it.
• Donotplacethepartonthecomputercoverorothermetalsurface.
4Hardware Replacement Guide
5
Hardware Replacement Guide
Locations
Chapter
This chapter provides illustrations to help locate the various connectors, controls
and components of the computer.
Locating components and connectors
The following illustrations will help you to locate the various components and
connectors in your computer.
Font view
The following illustrations show the location of connectors on the front of the
computer.
1 2
4
3
5 6 7 8 9 10 11 12 13 14 15
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