NEC MultiSync LCD1550ME Manuale utente

COLOR MONITOR MultiSyncLCD1550ME

MODELS LCD1550ME (B) / -BK(B)

200206

08EK1ABD

08EK2ABD

SERVICE MANUAL

PART NO. 599910589

NEC-MITSUBISHI ELECTRIC VISUAL SYSTEMS CORPORATION

JUNE 2002

WARNING

The SERVICE PERSONNEL should have the appropriate technical training, knowledge and experience

necessary to:

•Be familiar with specialized test equipment, and

•Be careful to follow all safety procedures to minimize danger to themselves and their coworkers.

To avoid electrical shocks, this equipment should be used with an appropriate power cord.

This equipment utilized a micro-gap power switch. Turn off the set by first pushing power switch. Next,

remove the power cord from the AC outlet.

To prevent fire or shock hazards, do not expose this unit to rain or moisture.

This symbol warns the personnel that un-insulated voltage within the unit may have sufficient

magnitude to cause electric shock.

This symbol alerts the personnel that important literature concerning the operation and

maintenance of this unit has been included.

Therefore, it should be read carefully in order to avoid any problems.

PRODUCT SAFETY CAUTION

1. When parts replacement is required for servicing, always use the manufacturer's specified replacement.

2. When replacing the component, always be certain that all the components are put back in the place.

3. As for a connector, pick and extract housing with fingers properly since a disconnection and improper

contacts may occur, when wires of the connector are led.

4. Use a proper screwdriver. If you use screwdriver that does not fit, you may damage the screws.

CONTENTS

Page No.

USER'S MANUAL ------------------------------------------------------------------- 1-1

SERIAL NUMBER INFORMATION --------------------------------------------- 2-1

DISASSEMBLY ----------------------------------------------------------------------- 3-1

ADJUSTMENT PROCEDURES -------------------------------------------------- 4-1

INSPECTION --------------------------------------------------------------------------- 5-1

TROUBLE SHOOTING ------------------------------------------------------------- 6-1

CIRCUIT DESCRIPTION ----------------------------------------------------------- 7-1

REPLACEMENT PARTS LIST --------------------------------------------------- 8-1

BLOCK DIAGRAM ------------------------------------------------------------------- 9-1

SCHEMATIC DIAGRAMS -------------------------------------------------------- 10-1

1-1

User's Manual

MultiSync LCD1550ME

User’s Manual

1-2

English-1

English

TO PREVENT FIRE OR SHOCK HAZARDS, DO NOT EXPOSE THIS UNIT TO RAIN

OR MOISTURE. ALSO, DO NOT USE THIS UNIT’S POLARIZED PLUG WITH AN

EXTENSION CORD RECEPTACLE OR OTHER OUTLETS UNLESS THE PRONGS

CAN BE FULLY INSERTED.

REFRAIN FROM OPENING THE CABINET AS THERE ARE HIGH VOLTAGE

COMPONENTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

CAUTION

TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER

(OR BACK). NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING

TO QUALIFIED SERVICE PERSONNEL.

This symbol warns user that uninsulated voltage within the unit may have

sufficient magnitude to cause electric shock. Therefore, it is dangerous to make

any kind of contact with any part inside this unit.

This symbol alerts the user that important literature concerning the operation

and maintenance of this unit has been included. Therefore, it should be read

carefully in order to avoid any problems.

CAUTION

WARNING

RISK OF ELECTRIC SHOCK • DO NOT OPEN

Caution:

When operating the MultiSync LCD1550ME (L15XA231-BN and L15XA231-BNBK) with

a 220-240V AC power source in Europe, use the power cord provided with the monitor.

In the UK, a BS approved power cord with a moulded plug has a Black (five Amps) fuse

installed for use with this equipment. If a power cord is not supplied with this equipment

please contact your supplier.

When operating the MultiSync LCD1550ME with a 220-240V AC power source in

Australia, use the power cord provided with the monitor.

For all other cases, use a power cord that matches the AC voltage of the power outlet

and has been approved by and complies with the safety standard of your particular

country.

ENERGYSTA R is a U.S. trademark.

As an ENERGYSTAR®Partner, NEC-Mitsubishi Electronics Display of America, Inc. has

determined that this product meets the ENERGYSTA R guidelines for energy efficiency.

The ENERGYSTAR emblem does not represent EPA endorsement of any product or service.

IBM PC/XT/AT, PS/2, MCGA, VGA, 8514/A and XGA are registered trademarks of

International Business Machines Corporation.

Apple and Macintosh are registered trademarks of Apple Computer Inc.

Microsoft and Windows are registered trademarks of the Microsoft Corporation.

NEC is a registered trademark of NEC Corporation.

All other trademarks or registered trademarks are property of their respective owners.

1-3

English-2

Declaration

Declaration of the Manufacturer

We hereby certify that the colour monitor

MultiSync LCD1550ME (L15XA231-BN)

MultiSync LCD1550ME (L15XA231-BNBK)

is in compliance with

Council Directive 73/23/EEC:

– EN 60950

Council Directive 89/336/EEC:

– EN 55022

– EN 61000-3-2

– EN 61000-3-3

– EN 55024

and marked with

NEC-Mitsubishi Electric Visual Systems, Corp.

MS Shibaura Bldg., 13-23,

Shibaura 4-chome,

Minato-Ku, Tokyo 108-0023, Japan

1-4

English-3

English

For the Customer to use in

U.S.A. or Canada

Canadian Department of Communications

Compliance Statement

DOC: This Class B digital apparatus meets all requirements of the

Canadian Interference-Causing Equipment Regulations.

Cet appareil numérique de la classe B respecte toutes les exigences du

Règlement sur le matériel brouiller du Canada.

C-UL: Bears the C-UL Mark and is in compliance with Canadian Safety

Regulations according to CSA C22.2 #950.

Ce produit porte la marque ‘C-UL’ et se conforme aux règlements de

sûrele Canadiens selon CAN/CSA C22.2 No. 950.

FCC Information

1. Use the attached specified cables with the MultiSync LCD1550ME

colour monitor so as not to interfere with radio and television

reception.

(1)The power supply cord you use must have been approved by and

comply with the safety standards of U.S.A., and meet the following

condition.

Power supply cord Non shield type, 3-conductor

Length 2.0 m

Plug shape

(2)Shielded video signal cable. Use of other cables and adapters

may cause interference with radio and television reception.

1-5

English-4

2. 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 installation. 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:

• Reorient 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 your dealer or an experienced radio/TV technician for help.

If necessary, the user should contact the dealer or an experienced

radio/television technician for additional suggestions. The user may

find the following booklet, prepared by the Federal Communications

Commission, helpful: “How to Identify and Resolve Radio-TV

Interference Problems.” This booklet is available from the U.S.

Government Printing Office, Washington, D.C., 20402,

Stock No. 004-000-00345-4.

Declaration of Conformity

This device complies with Part 15 of FCC Rules. Operation is subject to the following two

conditions. (1) This device may not cause harmful interference, and (2) this device must

accept any interference received, including interference that may cause undesired

operation.

U.S. Responsible party: NEC-Mitsubishi Electronics

Display of America, Inc.

Address: 1250 N. Arlington Heights Road

Itasca, Illinois 60143-1248

Tel. No.: (630)467-3000

Type of Product: Computer Monitor

Equipment Classification: Class B Peripheral

Models: MultiSync LCD1550ME

We hereby declare that the equipment specified above conforms

to the technical standards as specified in the FCC Rules.

1-6

English-5

English

Contents

Your new NEC MultiSync LCD monitor box* should contain the

following:

• MultiSync LCD1550ME monitor with tilt base

• Power Cord

• Video Signal Cable

• Audio Cable

• User’s Manual

• CD ROM (includes complete User’s Manual in PDF format). To see

the User’s Manual, Acrobat Reader 4.0 must be installed on your PC.

* Remember to save your original box and packing material to transport

or ship the monitor.

1550ME

User’s Manual

CD ROMVideo Signal CableAudio Cable

Power Cord

1-7

English-6

Quick Start

To attach the MultiSync LCD monitor to your system, follow these

instructions:

1. Turn off the power to your computer.

2. Remove connector cover and cable cover. Connect the audio cable to

“AUDIO INPUT” on the back of the monitor and the other end to the

“Audio out” terminal of the computer. Place the Audio cable under

Clip B (Figure A.1).

3. For PC: Connect the 15-pin mini D-SUB of the appropriate

signal cable to the connector for the display card in your system

(Figure B.1). Tighten all screws.

For Mac: Connect the MultiSync LCD1550ME Macintosh cable

adapter to the computer (Figure C.1). Attach the 15-pin mini D-SUB

end of the appropriate signal cable to the MultiSync LCD1550ME

Macintosh cable adapter (Figure C.1). Tighten all screws.

4. Connect the 15-pin mini D-SUB of the video signal cable to the

appropriate connector on the back of the monitor (Figure D.1). Place

the Video Signal Cable under Clip B.

5. Headphones may be connected to the “Headphones” output on the

front of the monitor’s bezel marked “ ” (Figure E.1). While the

headphones are connected, the sound from the speakers will be

disabled. Headphones can be purchased from your local electronics

store.

6. Connect one end of the power cord to the MultiSync LCD Series

monitor and the other end to the power outlet. Place the video signal

cable and AC power cord under the clips (Figure D.1). Replace

connector cover and cable cover.

NOTE: Adjust the position of the cable under the clips to avoid damage

for cable or monitor.

NOTE: Please refer to Caution section of this manual for proper

selection of AC power cord.

7. The Vacation Switch on the left side of the monitor must be turned on

(Figure F.1). Turn on the monitor with the Power Button and the

computer.

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