Panasonic Toughbook CF-W4HWEZZBM Bedienungsanleitung

ORDER NO. CPD0604066C1

Personal Computer

CF-W4

Model No. CF-W4HWEZZBM

This is the Service Manual for

the following areas.

M …for U.S.A. and Canada

Unauthorized copying and distribution is a violation of law.

CONTENTS

1 Read Me First. ....................................................................

1.1. Accessories ...........................................................

2 Specifications ....................................................................

3 Names and function of Parts ..........................................

4 Diagnosis & Repair ..........................................................

4.1. Basic Procedures .....................................................

4.2. Troubleshooting .......................................................

4.3. Connection Diagram ................................................

4.4. Power-on Self Test (Boot Check) .............................

5 Self Diagnosis Test ..........................................................

5.1. Outline of Self Diagnostic Test .................................

5.2. Automatic Test ..........................................................

5.3. Peripheral Test .........................................................

5.4. Test Selection ...........................................................

5.5. Error Messages and Troubleshooting ......................

6 Disassembly & Reassembly Instruction ...................

6.1. Disassembly Flow Chart .....................................

6.2. Disassembly ........................................................

6.3. Reassembly ........................................................

7 Explanation of Hardware ............................................

7.1. System Block Diagram ........................................

8 Main Unit Extended View ...........................................

8.1. Display section ....................................................

8.3. Bottom section ...................................................

9 Replacement Parts List ..............................................

Page Page

8.2. Cabinet section ...................................................

LASER SAFETY INFORMATION

For U.S.A

Class 1 LASER-Product

This product is certified to comply with DHHS Rules 21 CFR Subchapter J.

This product complies with European Standard EN60825 (or IEC Publication 825)

For all areas

This equipment is classified as a class 1 level LASER product and there is no hazardous LASER radiation.

Caution:

(1) Use of controls or adjustments or performance of procedures other than those specified herein may result

in hazardous radiation exposure.

(2)

The drive is designed to be incorporated into a computer-based system or unit which has an enclosing

cover. It should never be used as a stand alone drive.

Danger:

The serviceman should not remove the cover of drive unit and should not service because the drive unit is a

non-serviceable part.

Please check DANGER label on bottom cabinet of the equipment.

.Unplug the AC power cord and remove the battery pack from the equipment before opening the top cover of

the drive.

.When the power switch it on, do not place your eyes close to the top cover to look into the interior of the unit.

LASER Specification

Class 1 level LASER Product

Wave Length: DVD 650 660 nm

778 787 nm

Laser safety information is appropriate only when drive with laser is installed.

9999

Usage

Avoid Direct Sunlight on the LCD Panel

The LCD panel should not be exposed to

direct sunlight or ultraviolet light.

Avoid Humidity, Liquids and Dust

Do not store or use the computer in loca-

tions exposed to high humidity, liquids

(including rain) or dust.

Prevent Shock

Avoid subjecting the computer to severe

vibrations or impact. Do not place the

computer inside a car trunk.

Avoid Radio Frequency Interference

Do not place the computer near a televi-

sion or radio receiver.

Avoiding Low-temperature Burns

Avoid more than casual contact with any

heat producing area of the notebook

computer, AC adaptor, and any option or

accessory you use with it. Even low heat,

if warmer than body temperature, can

cause a burn, if the skin is exposed to the

heat source for a long period of time.

Handling

Avoid Magnetic Fields

Keep the computer away from magnets.

Data stored on the hard disk may be lost.

Avoid Stacking

Do not place heavy objects on top of the

computer.

Do Not Disassemble the Computer

Do not disassemble the computer using

methods other than those shown in this

manual.

This computer contains high-voltage

parts, contact with which may result in

electrical shock. Modification or incorrect

disassembly may result in fire.

Avoid Excessive Force on the Display

Do not apply excessive downwardforce

on the display.

Avoid Extreme Heat and Cold

Do not store or use the computer in loca-

tions exposed to heat, direct sunlight, or

extreme cold.

Avoid moving the computer between

locations with large temperature differ-

ence.

Operation: 5 °C to 35 °C {41 °F to 95 °F}

Storage: -20 °C to 60 °C {- 4 °F to 140 °F}

Cables

Use of an interface cable longer than 3m(9.84feet)

is not recommended.

Precautions

Handling

This computer has been designed so as to minimize shock to the LCD and hard disk drive, etc.,

but no warranty is provided against such trouble. Therefore, as a precision instrument, be

extremely careful in the handling.

Do not carry the computer while the display is open, or carry it by gripping the display or the

cabinet around the display (see figure A). When closing the display, ensure that the latch is

positioned correctly in the slot .

Do not carry your computer when the power is on.

Do not drop or hit your computer against solid objects.

Remove all external devices, cables, PC Cards sticking out of the computer (see figure B),

SD memory cards, and MultiMedia Cards before transporting the computer.

We recommend preparing a fully charged battery pack.

When transporting a spare battery pack inside a package, briefcase, etc., it is recommended

that it be placed in a plastic bag so that its contacts are protected.

Always carry your computer with you. Never check it in with luggage. For use of the com-

puter inside an aircraft, we recommend asking the airlines regarding their policy on this issue.

It is a good idea to make backup copies on disks and carry them with you.

Touch Pad

Display

Avoid using water when cleaning the panel. Ingredients included in water may leave scratches

and reduce readability of the screen.

Avoid rubbing off dust/dirt with cloth since it may leave scratch on the screen.

Sweep dust/dirt with fine brush, then wipe it with a dry soft cloth used for cleaning glasses.

Apply camera lens cleaner on a soft gauze and clean it with gentle force. Then, wipe with a

dry soft cloth used for cleaning glasses.

Areas excluding the display

Wipe these areas with a soft cloth, after applying water or detergent diluted with water to the

soft cloth and firmly wringing out excess water.

Maintenance

Do not use benzene, thinner, or rubbing alcohol. Doing so may adversely affect the

surface, e.g., discoloration. In addition, do not use commercially-available household

cleaners and cosmetics, as they may contain components harmful to the surface.

Do not directly add or spray water or detergent. If liquid enters the inside of the

computer, it may cause it to work improperly or be damaged.

CAUTION

1111

2006

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