Clevo L390T User manual
Preface
I
Preface
LCD Computer
L390T
Service Manual
Preface
II
Preface
Notice
The company reserves the right to revise this publication or to change its contents without notice. Information contained herein
is for reference only and does not constitute a commitment on the part of the manufacturer or any subsequent vendor. They
assume no responsibility or liability for any errors or inaccuracies that may appear in this publication nor are they in anyway
responsible for any loss or damage resulting from the use (or misuse) of this publication.
This publication and any accompanying software may not, in whole or in part, be reproduced, translated, transmitted or re-
duced to any machine readable form without prior consent from the vendor, manufacturer or creators of this publication, ex-
cept for copies kept by the user for backup purposes.
Brand and product names mentioned in this publication may or may not be copyrights and/or registered trademarks of their
respective companies. They are mentioned for identification purposes only and are not intended as an endorsement of that
product or its manufacturer.
©August 2008
Version 2.0
Trademarks
This product incorporates copyright protection technology that is protected by method claims of certain U.S. patents and other
intellectual property rights owned by Macrovision Corporation and other rights owners. Use of this copyright protection tech-
nology must be authorized by Macrovision Corporation, and is intended for home or other limited viewing uses only unless
otherwise authorized by Macrovision Corporation. Reverse engineering or disassembly is prohibited.
Intel and Intel Core are trademarks/registered trademarks of Intel Corporation.
Preface
III
Preface
About this Manual
This manual is intended for service personnel who have completed sufficient training to undertake the maintenance and
inspection of personal computers.
It is organized to allow you to look up basic information for servicing and/or upgrading components of the L390T series
LCD PC.
The following information is included:
Chapter 1, Introduction, provides general information about the location of system elements and their specifications.
Chapter 2, Disassembly, provides step-by-step instructions for disassembling parts and subsystems and how to upgrade
elements of the system.
Appendix A, Part Lists
Appendix B, Schematic Diagrams
Appendix C, Wall Moutning Information
Appendix D, CPU Dip Switch Settings
Preface
IV
Preface
FCC Statement
(Federal Communications Commission)
You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void
the user's authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installa-
tion. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one
or more of the following measures:
• Re orient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the service representative or an experienced radio/TV technician for help.
Operation is subject to the following two conditions:
1. This device may not cause interference.
And
2. This device must accept any interference, including interference that may cause undesired operation of the device.
Preface
V
Preface
FCC RF Radiation Exposure Statement:
1. This Transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
2. This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment
should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body.
Warning
Use only shielded cables to connect I/O devices to this equipment. You are cautioned that changes or modifications not ex-
pressly approved by the manufacturer for compliance with the above standards could void your authority to operate the
equipment.
Preface
VI
Preface
IMPORTANT SAFETY INSTRUCTIONS
Follow basic safety precautions, including those listed below, to reduce the risk of fire, electric shock, and injury to persons
when using any electrical equipment:
1. Do not use this product near water, for example near a bath tub, wash bowl, kitchen sink or laundry tub, in a wet basement or
near a swimming pool.
2. Avoid using this equipment with a telephone line (other than a cordless type) during an electrical storm. There may be a
remote risk of electrical shock from lightning.
3. Do not use the telephone to report a gas leak in the vicinity of the leak.
4. Use only the power cord and batteries indicated in this manual. Do not dispose of batteries in a fire. They may explode. Check
with local codes for possible special disposal instructions.
5. This product is intended to be supplied by a Listed Power Unit (Full Range AC/DC Adapter – AC Input 100 - 240V, 50 - 60Hz,
DC Output 19V, 4.74A).
CAUTION
Always disconnect all telephone lines from the wall outlet before servicing or disassembling this equipment.
TO REDUCE THE RISK OF FIRE, USE ONLY NO. 26 AWG OR LARGER,
TELECOMMUNICATION LINE CORD
This Computer’s Optical Device is a Laser Class 1 Product
Preface
VII
Preface
Instructions for Care and Operation
The computer is quite rugged, but it can be damaged. To prevent this, follow these suggestions:
1. Don’t drop it, or expose it to shock. If the computer falls, the case and the components could be damaged.
2. Keep it dry, and don’t overheat it. Keep the computer and power supply away from any kind of heating element. This is an
electrical appliance. If water or any other liquid gets into it, the computer could be badly damaged.
3. Avoid interference. Keep the computer away from high capacity transformers, electric motors, and other strong magnetic
fields. These can hinder proper performance and damage your data.
4. Follow the proper working procedures for the computer. Shut the computer down properly and don’t forget to save your
work. Remember to periodically save your data as data may be lost.
5. Take care when using peripheral devices.
Preface
VIII
Preface
Power Safety
The computer has specific power requirements:
• When you want to unplug the power cord, be sure to disconnect it by the plug head, not by its wire.
• Make sure the socket and any extension cord(s) you use can support the total current load of all the connected devices.
• Before cleaning the computer, make sure it is disconnected from any external power supplies.
Do not plug in the power
cord if you are wet. Do not use the power cord if
it is broken. Do not place heavy objects
on the power cord.
Power Safety
Warning
Before you undertake
any upgrade proce-
dures, make sure that
you have turned off the
power, and discon-
nected all peripherals
and cables (including
telephone lines).
Table of contents
Other Clevo Desktop manuals
