Lenovo IdeaCentre K320 Stücklistenhandbuch

Version 3.0 2009.11

Hardware Replacement Guide

IdeaCentre K3 Series

31041595

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Hardware Replacement Guide

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Contents

Overview ..................................................................................... 1

Chapter 1 Locations ................................................................ 4

Locating components and connectors...........................................4

Identifying parts on the system board ...........................................7

Chapter 2 Replacing hardware ............................................... 9

General information........................................................................9

Removing the computer cover ......................................................9

Removing the front bezel .............................................................11

Replacing a memory module ......................................................12

Replacing the hard disk drive.......................................................13

Replacing an optical drive ............................................................14

Replacing the system fan assembly .............................................15

Replacing the heat sink assembly ...............................................18

Replacing a PCI or AGP adapter .................................................20

Replacing the CPU ......................................................................26

Replacing the keyboard ..............................................................29

Replacing the mouse ..................................................................30

Replacing the External speaker ...................................................31

Completing the installation ..........................................................31

Appendix. .................................................................................. 33

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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:

• Memory modules

• Hard disk drive

• Optical drive

• Heatsink, Fan

• CPU

• VGA card

• Keyboard, Mouse (wired)

• External speaker

Safety information for replacing CRUs

Do not open your computer or attempt any repair 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.

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2Hardware Replacement Guide

Additional information resources

If you have Internet access, the most up-to-date information for your computer is

available from the World Wide Web.

You can ﬁnd the following information:

• CRU removal and installation information

• Publications

• Troubleshooting information

• Parts information

• Links to other useful sources of information

To access this information, go to http://consumersupport.lenovo.com.

Tools required

To disassemble the computer, you need the following tools:

• Wrist grounding strap and conductive mat for preventing electrostatic

discharge

• Flat screwdriver

• Phillips screwdriver

• Hex screwdriver

• Plastic ﬂat screwdriver

• Plastic tweezers

Note: The screws for the different components vary in size. During the

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:

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Hardware Replacement Guide

• Limit your movement. Movement can cause static-electricity to build up around

you.

• Always handle parts and other computer components carefully. Handle

adapters, memory modules, system boards, and microprocessors by the

edges. Never touch any exposed circuitry.

• Prevent others from touching the parts and other computer components.

• Before you replace a new part, touch the static-protective package containing

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.

• When possible, remove the new part from the static-protective packaging,

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.

• Do not place the part on the computer cover or other metal surface.

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4Hardware Replacement Guide

Locations

Chapter

This chapter provides illustrations to help locate the various connectors, controls

and components of the computer. To remove the computer cover, refer to

“Removing the computer cover”.

Locating components and connectors

The following illustrations will help you to locate the various components and

connectors in your computer.

Internal components

The following illustration shows the components inside your computer.

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Hardware Replacement Guide

Power supply PCI Express adapter card

System fan Memory modules

Microprocessor fan and heat sink Hard disk drive

PCI Express adapter connector Optical drive

Front view

The following illustrations show the location of connectors on the front of the

computer.

Power button

Power Dial indicator ON/OFF

File backup button

USB connector

Microphone connector

Headphone connector

Memory card reader (selected models only)

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6Hardware Replacement Guide

Optical drive (Some models are equipped with only one optical drive.)

Power Dial switch

Rear view

The following illustration shows the location of connectors on the rear of the computer.

Voltage selection switch (selected models only)

Power connector

PS/2 keyboard connector

PS/2 mouse connector

On-board VGA connector ( selected models only)

HDMI port

USB connectors (6)

Ethernet connector

SPDIF port

Audio line-out sockets (2)

Audio line-in sockets (2)

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Hardware Replacement Guide

Microphone connector

PCI Express x16 graphics adapter connector (Some models are equipped

with this connector. For more information about the graphics adapter, see the

description below).

WiFi antenna connector (This connector only equipped on the model with

WiFi card. For more information about this connector, see WM600-B-LO

Wireless 802. 11b/g Wireless PCI-E Adapter Card User Manual.)

TV-Tuner (selected models only)

Identifying parts on the system board

The system board (sometimes called the planar or motherboard) is the main circuit

board in your computer. It provides basic computer functions and supports a

variety of devices that are factory-installed or that you can install later.

The following illustration shows the locations of parts on the system board.

1817 2

1112

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