Lenovo IdeaCentre A300 Betriebsanleitung

Contents

Chapter 1. About this manual................................................ 1

Important Safety Information ...................................................................... 1

Using eSupport.................................................................................................... 2

Important information about replacing RoHS compliant FRUs ..2

Chapter 2. Safety information................................................ 4

General safety....................................................................................................... 4

Electrical safety ....................................................................................................5

Safety inspection guide...................................................................................7

Handling electrostatic discharge-sensitive devices .........................8

Grounding requirements ...............................................................................8

Safety notices........................................................................................................9

Chapter 3. General information...........................................12

Speciﬁcations..................................................................................................... 12

Chapter 4. General Checkout ...............................................13

Problem determination tips ...................................................................... 14

Chapter 5. Using the Setup Utility ......................................15

Starting the Setup Utility program ......................................................... 15

Viewing and changing settings................................................................ 15

Using passwords .............................................................................................. 16

Using Device ...................................................................................................... 18

Selecting a startup device........................................................................... 19

Exiting from the Setup Utility program ................................................ 19

Hardware Maintenance Manual

Chapter 6. Symptom-to-FRU Index.....................................20

Hard disk drive boot error ........................................................................... 20

POST error codes ............................................................................................. 21

Undetermined problems ............................................................................. 22

Chapter 7. Locations...............................................................23

Locating components and connectors................................................. 23

Chapter 8. Replacing hardware ...........................................28

General information ....................................................................................... 28

Removing the hinge cover.......................................................................... 29

Removing the hinge from LED panel..................................................... 30

Removing the base top cover ................................................................... 30

Removing the motherboard cover ......................................................... 31

Replacing the hard disk drive .................................................................... 31

Removing the hinge from the base bottom ...................................... 33

Replacing the system fan............................................................................. 34

Replacing the heatsink.................................................................................. 35

Replacing the bluetooth module ............................................................ 36

Replacing a memory module .................................................................... 37

Replacing the TV tuner card ...................................................................... 38

Replacing the WLAN card ........................................................................... 39

Replacing the motherboard....................................................................... 40

Removing the rear cover.............................................................................. 41

Replacing the LED panel .............................................................................. 43

Replacing the invert board ......................................................................... 44

Replacing the camera.................................................................................... 45

Replacing the keyboard ............................................................................... 46

Replacing the mouse ..................................................................................... 47

Replacing the power adapter.................................................................... 48

Chapter 9. Additional Service Information.......................49

Power management ...................................................................................... 49

Appendix. Statement .............................................................50

Chapter 1. About this manual

About this manual 1

This manual contains service and reference information for Lenovo

IdeaCentre A3 computers listed on the cover. It is intended only for

trained servicers who are familiar with Lenovo computer products.

Before servicing a Lenovo product, be sure to read the Safety Information.

The description of the TV card in this manual is only used for the machines

which have the TV card. It is invalid for those machines which do not have

TV card.

Important Safety Information

Be sure to read all caution and danger statements in this book before

performing any of the instructions.

Veuillez lire toutes les consignes de type DANGER et ATTENTION du

présent document avant d’exécuter les instructions.

Lesen Sie unbedingt alle Hinweise vom Typ “ACHTUNG” oder “VORSICHT”

in dieser Dokumentation, bevor Sie irgendwelche Vorgänge durchführen

Leggere le istruzioni introdotte da ATTENZIONE e PERICOLO presenti nel

manuale prima di eseguire una qualsiasi delle istruzioni

Certiﬁque-se de ler todas as instruções de cuidado e perigo neste manual

antes de executar qualquer uma das instruções

Es importante que lea todas las declaraciones de precaución y de peligro

de este manual antes de seguir las instrucciones.

执行任何说明之前，请确保已阅读本书中的所有警告和危险声明。

Hardware Maintenance Manual

Using eSupport

For Key Commodities (Examples - hard disk drive, system board,

microprocessor, LCD, and memory)

eSupport can be used to view the list of key commodities built in a•

particular machine serial.

eSupport can be accessed at the following Web site:•

http://consumersupport.lenovo.com

To view the key commodities:•

1. Click Parts information.

2. Under Parts information, click Parts lookup.

3. Under Parts lookup, type the model type and serial number; then

click Continue.

The key commodities are returned in the eSupport record under

Parts shipped with your system.

For the remaining FRUs (the complete list of FRUs at the MT Model level)

eSupport can be used to view the complete list of FRUs for a machine•

type and model.

To view the complete list of FRUs for a machine type:•

1. Point your browser to http://consumersupport.lenovo.com.

2. Type the machine type (Example: 8129) in the Use Quick Path ﬁeld;

then click Go.

3. Under Browse by product, click Continue.

4. Under Important information, click Parts information.

5. In the Reﬁne results ﬁeld, select Service parts; then click the entry for

your machine type.

The list of service parts by description, with applicable machine type

model and FRU part number is displayed.

Important information about replacing RoHS compliant FRUs

RoHS, The Restriction of Hazardous Substances in Electrical and

Electronic Equipment Directive (2002/95/EC) is a European Union

legal requirement aﬀecting the global electronics industry. RoHS

requirements must be implemented on Lenovo products placed on the

market after June 2006. Products on the market before June 2006 are

not required to have RoHS compliant parts.

So, if the parts are not compliant originally, replacement parts can

also be noncompliant, but in all cases, if the parts are compliant, the

replacement parts must also be compliant.

Lenovo plans to transition to RoHS compliance well before the

Chapter 1. About this manual

implementation date and expects its suppliers to be ready to support

Lenovo’s requirements and schedule. Products sold in 2005, will contain

some RoHS compliant FRUs. The following statement pertains to these

products and any product Lenovo produces containing RoHS compliant

parts.

RoHS compliant Lenovo IdeaCentre A3 parts have unique FRU part

numbers. Before or after June, 2006, failed RoHS compliant parts must

always be replaced using RoHS compliant FRUs, so only the FRUs

identiﬁed as compliant in the system HMM or direct substitutions for

those FRUs can be used.

Products marketed before June 2006 Products marketed after June 2006

Current or

original part

Replacement

FRU

Current or

original part

Replacement

FRU

Non-RoHS Can be Non-RoHS Must be RoHS Must be RoHS

Non-RoHS Can be RoHS

Non-RoHS Can sub to RoHS

RoHS Must be RoHS

Note: A direct substitution is a part with a diﬀerent FRU part number that

is automatically shipped by the distribution center at the time of

order.

Related Web URLs are:

Lenovo information for Suppliers website:•

http://www-03.ibm.com/procurement/proweb.nsf/

ContentDocsByTitle/United+States~Information+for+suppliers

RoHS Directive:•

http://europa.eu.int/eur-lex/pri/en/oj/dat/2003/l_037/

l_03720030213en00190023.pdf

California Senate Bills 20, 50:•

http://www.ciwmb.ca.gov/HHW/Events/AnnualConf/2004/

presentation/MPaparian.pdf

Hardware Maintenance Manual

Safety information 2

This chapter contains the safety information that you need to be familiar

with before servicing a computer.

General safety

Follow these rules to ensure general safety:

Observe good housekeeping in the area of the machines during and•

after maintenance.

When lifting any heavy object:•

1. Ensure you can stand safely without slipping.

2. Distribute the weight of the object equally between your feet.

3. Use a slow lifting force. Never move suddenly or twist when you

attempt to lift.

4. Lift by standing or by pushing up with your leg muscles; this action

removes the strain from the muscles in your back. Do not attempt to

lift any objects that weigh more than 16 kg (35 lb) or objects that you

think are too heavy for you.

Do not perform any action that causes hazards to the customer, or that•

makes the equipment unsafe.

Before you start the machine, ensure that other service representatives•

and the customer’s personnel are not in a hazardous position.

Place removed covers and other parts in a safe place, away from all•

personnel, while you are servicing the machine.

Keep your tool case away from walk areas so that other people will not•

trip over it.

Do not wear loose clothing that can be trapped in the moving parts of a•

machine. Ensure that your sleeves are fastened or rolled up above your

elbows. If your hair is long, fasten it.

Insert the ends of your necktie or scarf inside clothing or fasten it with•

a nonconductive clip, approximately 8 centimeters (3 inches) from the

end.

Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners•

for your clothing.

Remember: Metal objects are good electrical conductors.

Chapter 2. Safety information

Wear safety glasses when you are: hammering, drilling soldering,•

cutting wire, attaching springs, using solvents, or working in any other

conditions that might be hazardous to your eyes.

After service, reinstall all safety shields, guards, labels, and ground wires.•

Replace any safety device that is worn or defective.

Reinstall all covers correctly before returning the machine to the•

customer.

Electrical safety

CAUTION:

Electrical current from power, telephone, and communication cables

can be hazardous. To avoid personal injury or equipment damage,

disconnect the attached power cords, telecommunication systems,

networks, and modems before you open the server/workstation covers,

unless instructed otherwise in the installation and conﬁguration

procedures.

Observe the following rules when working on electrical equipment.

Important: Use only approved tools and test equipment. Some hand

tools have handles covered with a soft material that does not

insulate you when working with live electrical currents.

Many customers have, near their equipment, rubber ﬂoor mats

that contain small conductive ﬁbers to decrease electrostatic

discharges. Do not use this type of mat to protect yourself

from electrical shock.

Find the room emergency power-oﬀ (EPO) switch, disconnecting•

switch, or electrical outlet. If an electrical accident occurs, you can then

operate the switch or unplug the power cord quickly.

Do not work alone under hazardous conditions or near equipment that•

has hazardous voltages.

Disconnect all power before:•

– Performing a mechanical inspection

– Working near power supplies

– Removing or installing main units

Before you start to work on the machine, unplug the power cord. If•

you cannot unplug it, ask the customer to power-oﬀ the wall box

that supplies power to the machine and to lock the wall box in the oﬀ

position.

Hardware Maintenance Manual

If you need to work on a machine that has exposed electrical circuits,•

observe the following precautions:

– Ensure that another person, familiar with the power-oﬀ controls, is

near you.

Remember: Another person must be there to switch oﬀ the power, if

necessary.

– Use only one hand when working with powered-on electrical

equipment; keep the other hand in your pocket or behind your back.

Remember: There must be a complete circuit to cause electrical

shock. By observing the above rule, you may prevent a current from

passing through your body.

– When using testers, set the controls correctly and use the approved

probe leads and accessories for that tester.

– Stand on suitable rubber mats (obtained locally, if necessary) to

insulate you from grounds such as metal ﬂoor strips and machine

frames.

Observe the special safety precautions when you work with very

high voltages; these instructions are in the safety sections of

maintenance information. Use extreme care when measuring high

voltages.

Regularly inspect and maintain your electrical hand tools for safe•

operational condition.

Do not use worn or broken tools and testers.•

Never assume•that power has been disconnected from a circuit. First,

check that it has been powered-oﬀ.

Always look carefully for possible hazards in your work area. Examples•

of these hazards are moist ﬂoors, nongrounded power extension cables,

power surges, and missing safety grounds.

Do not touch live electrical circuits with the reﬂective surface of a•

plastic dental mirror. The surface is conductive; such touching can

cause personal injury and machine damage.

Do not service the following parts with the power on when they are•

removed from their normal operating places in a machine:

– Power supply units

– Pumps

– Blowers and fans

– Motor generators

and similar units. (This practice ensures correct grounding of the units.)

If an electrical accident occurs:•

– Use caution; do not become a victim yourself.

– Switch oﬀ power.

– Send another person to get medical aid.

Chapter 2. Safety information

Safety inspection guide

The intent of this inspection guide is to assist you in identifying potentially

unsafe conditions on these products. Each machine, as it was designed

and built, had required safety items installed to protect users and service

personnel from injury. This guide addresses only those items. However,

good judgment should be used to identify potential safety hazards due to

attachment of features or options not covered by this inspection guide.

If any unsafe conditions are present, you must determine how serious the

apparent hazard could be and whether you can continue without ﬁrst

correcting the problem.

Consider these conditions and the safety hazards they present:

Electrical hazards, especially primary power (primary voltage on the•

frame can cause serious or fatal electrical shock).

Explosive hazards, such as a damaged CRT face or bulging capacitor•

Mechanical hazards, such as loose or missing hardware•

The guide consists of a series of steps presented in a checklist. Begin the

checks with the power oﬀ, and the power cord disconnected.

Checklist:

1. Check exterior covers for damage (loose, broken, or sharp edges).

2. Power-oﬀ the computer. Disconnect the power cord.

3. Check the power cord for:

a. A third-wire ground connector in good condition. Use a meter to

measure third-wire ground continuity for 0.1 ohm or less between

the external ground pin and frame ground.

b. The power cord should be the appropriate type as speciﬁed in the

parts listings.

c. Insulation must not be frayed or worn.

4. Remove the cover.

5. Check for any obvious alterations. Use good judgment as to the safety

of any alterations.

6. Check inside the unit for any obvious unsafe conditions, such as metal

ﬁlings, contamination, water or other liquids, or signs of ﬁre or smoke

damage.

7. Check for worn, frayed, or pinched cables.

8. Check that the power-supply cover fasteners (screws or rivets) have not

been removed or tampered with.

Hardware Maintenance Manual

Handling electrostatic discharge-sensitive devices

Any computer part containing transistors or integrated circuits (ICs)

should be considered sensitive to electrostatic discharge (ESD). ESD

damage can occur when there is a diﬀerence in charge between objects.

Protect against ESD damage by equalizing the charge so that the machine,

the part, the work mat, and the person handling the part are all at the

same charge.

Notes:

1. Use product-speciﬁc ESD procedures when they exceed the

requirements noted here.

2. Make sure that the ESD protective devices you use have been certiﬁed

(ISO 9000) as fully eﬀective.

When handling ESD-sensitive parts:

Keep the parts in protective packages until they are inserted into the•

product.

Avoid contact with other people.•

Wear a grounded wrist strap against your skin to eliminate static on•

your body.

Prevent the part from touching your clothing. Most clothing is insulative•

and retains a charge even when you are wearing a wrist strap.

Use the black side of a grounded work mat to provide a static-free•

work surface. The mat is especially useful when handling ESD-sensitive

devices.

Select a grounding system, such as those listed below, to provide•

protection that meets the speciﬁc service requirement.

Note: The use of a grounding system is desirable but not required to

protect against ESD damage.

– Attach the ESD ground clip to any frame ground, ground braid, or

green-wire ground.

– Use an ESD common ground or reference point when working on a

double-insulated or battery-operated system. You can use coax or

connector-outside shells on these systems.

– Use the round ground-prong of the ac plug on ac-operated

computers.

Grounding requirements

Electrical grounding of the computer is required for operator safety and

correct system function. Proper grounding of the electrical outlet can be

veriﬁed by a certiﬁed electrician.

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