NEC NEC MultiSync LCD1550V LCD1550V LCD1550V Manuel utilisateur

COLOR MONITOR MultiSyncLCD1550V

MODELS LCD1550V-1 (B)/-BK(B)

200206

08109741

08109742

SERVICE MANUAL

PART NO. 599910588

NEC-MITSUBISHI ELECTRIC VISUAL SYSTEMS CORPORATION

JUNE 2002

This model changed a LCD panel (manufactured by Hannstar) from the original model.

Use the applicable service manual which surely confirms the model number of the

NAME PLATE, INSTRUCTION.

Refer to the page which the point of view of the model number is mentioned in.

•Model number : LA-15R02 / LA-15R02-BK

Maintenance is performed by the original service manual (Part No.

599910571).

•

Model number : LA-15R02-1 / LA-15R02-1-BK

Maintenance is

erformed usin

this service manual.

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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.

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Point of view of the model number

NAME PLATE, INSTRUCTION (White model)

NAME PLATE, INSTRUCTION (Black model)

Model number

Original model: LA-15R02

Hannstar LCD model: LA-15R02-1

Model number

Original model: LA-15R02-BK

Hannstar LCD model: LA-15R02-1-BK

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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

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1-1

USER'S MANUAL

MultiSync LCD1550V

User’s Manual

UÏivatelská pﬁíruãka

Bedienerhandbuch

Οδηγίες Χρήσης

Manual del usuario

Manuel Utilisateur

Manuale utente

Gebruikershandleiding

Podr´cznik u˝ytkownika

Руководство пользователя

Kullan∂c∂ Klavuzu

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1-2

Declaration

Declaration of the Manufacturer

We hereby certify that the colour monitor

MultiSync LCD1550V (LA-15R02)

MultiSync LCD1550V (LA-15R02-BK)

MultiSync LCD1550V (LA-15R02-1)

MultiSync LCD1550V (LA-15R02-1-BK)

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

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1-3

TCO’99

This is a translation of the original English TCO'99 document.

MultiSync LCD1550V White Model (LA-15R02 and LA-15R02-1)

Congratulations! You have just purchased a TCO’99

approved and labeled product! Your choice has

provided you with a product developed for

professional use. Your purchase has also contributed

to reducing the burden on the environment and also

to the further development of environmentally

adapted electronics products.

Why do we have environmentally labelled computers?

In many countries, environmental labelling has become an established

method for encouraging the adaptation of goods and services to the

environment. The main problem, as far as computers and other

electronics equipment are concerned, is that environmentally harmful

substances are used both in the products and during the manufacturing.

Since it has not been possible for the majority of electronics equipment

to be recycled in a satisfactory way, most of these potentially damaging

substances sooner or later enter Nature.

There are also other characteristics of a computer, such as energy

consumption levels, that are important from the viewpoints of both the

work (Internal) and natural (external) environments. Since all methods of

conventional electricity generation have a negative effect on the

environment (acidic and climate-influencing emissions, radioactive

waste, etc.), it is vital to conserve energy. Electronics equipment in

offices consume an enormous amount of energy since they are often left

running continuously.

What does labelling involve?

This product meets the requirements for the TCO’99 scheme which

provides for international and environmental labelling of personal

computers. The labelling scheme was developed as a joint effort by the

TCO (The Swedish Confederation of Professional Employees), Svenska

Naturskyddsforeningen (The Swedish Society for Nature Conservation)

and Statens Energimyndighet (The Swedish National Energy

Administration).

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1-4

The requirements cover a wide range of issues: environment,

ergonomics, usability, emission of electrical and magnetic fields, energy

consumption and electrical and fire safety.

The environmental demands concern restrictions on the presence and

use of heavy metals, brominated and chlorinated flame retardants,

CFCs (freons) and chlorinated solvents, among other things. The

product must be prepared for recycling and the manufacturer is obliged

to have an environmental plan which must be adhered to in each

country where the company implements its operational policy. The

energy requirements include a demand that the computer and/or

display, after a certain period of inactivity, shall reduce its power

consumption to a lower level in one or more stages. The length of time

to reactivate the computer shall be reasonable for the user.

Labelled products must meet strict environmental demands, for

example, in respect of the reduction of electric and magnetic fields,

physical and visual ergonomics and good usability.

Environmental Requirements

Flame retardants

Flame retardants are present in printed circuit boards, cables, wires,

casings and housings. In turn, they delay the spread of fire. Up to thirty

percent of the plastic in a computer casing can consist of flame

retardant substances. Most flame retardants contain bromine or chloride

and these are related to another group of environmental toxins, PCBs,

which are suspected to give rise to severe health effects, including

reproductive damage in fisheating birds and mammals, due to the

bioaccumulative* processes. Flame retardants have been found in

human blood and researchers fear that disturbances in foetus

development may occur.

TCO’99 demand requires that plastic components weighing more than

25 grams must not contain flame retardants with organically bound

chlorine and bromine. Flame retardants are allowed in the printed circuit

boards since no substitutes are available.

Lead**

Lead can be found in picture tubes, display screens, solders and

capacitors. Lead damages the nervous system and in higher doses,

causes lead poisoning.

TCO’99 requirement permits the inclusion of lead since no replacement

has yet been developed.

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1-5

Cadmium**

Cadmium is present in rechargeable batteries and in the

colourgenerating layers of certain computer displays. Cadmium

damages the nervous system and is toxic in high doses.

TCO’99 requirement states that batteries, the colourgenerating layers of

display screens and the electrical or electronics components must not

contain any cadmium.

Mercury**

Mercury is sometimes found in batteries, relays and switches, Mercury

damages the nervous system and is toxic in high doses.

TCO’99 requirement states that batteries may not contain any Mercury.

It also demands that no mercury is present in any of the electrical or

electronics components associated with the display unit.

CFCs (freons)

CFCs (freons) are sometimes used for washing printed circuit boards.

CFCs break down ozone and thereby damage the ozone layer in the

stratosphere, causing increased reception on Earth of ultraviolet light

with consequent increased risks of skin cancer (malignant melanoma).

The relevant TCO’99 requirement; Neither CFCs nor HCFCs may be

used during the manufacturing and assembly of the product or its

packaging.

* Bio-accumulative is defined as substances which accumulate within

living organisms.

** Lead, Cadmium and Mercury are heavy metals which are

Bioaccumulative.

To obtain complete information on the environmental criteria document,

order from:

TCO Development Unit

SE-114 94 Stockholm

SWEDEN

FAX Number: +46 8 782 92 07

E-mail (Internet): development@tco.se

You may also obtain current information on TCO’99 approved and

labelled products by visiting their website at:

http://www.tco-info.com/

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1-6

TCO’95

This is a translation of the original English TCO'95 document.

MultiSync LCD1550V Black Model (LA-15R02-BK and LA-15R02-1-BK)

Congratulations! You have just purchased a TCO’95

approved and labeled product! Your choice has

provided you with a product developed for

professional use. Your purchase has also

contributed to reducing the burden on the

environment and also, to the further development of

environmentally adapted electronics products.

Why do we have environmentally labelled computers?

In many countries, environmental labelling has become an established

method for encouraging the adaptation of goods and services to the

environment. The main problem, as far as computers and other

electronics equipment are concerned, is that environmentally harmful

substances are used both in the products and during the manufacturing.

Since it has not been possible for the majority of electronics equipment

to be recycled in a satisfactory way, most of these potentially damaging

substances sooner or later enter Nature.

There are also other characteristics of a computer, such as energy

consumption levels, that are important from the viewpoints of both the

work (Internal) and natural (external) environments. Since all methods of

conventional electricity generation have a negative effect on the

environment (acidic and climate-influencing emissions, radioactive

waste, etc.), it is vital to conserve energy. Electronics equipment in

offices consume an enormous amount of energy since they are often left

running continuously.

What does labelling involve?

This product meets the requirements for the TCO’95 scheme which

provides for international and environmental labelling of personal

computers. The labelling scheme was developed as a joint effort by the

TCO (The Swedish Confederation of Professional Employees),

Naturskyddsforeningen (The Swedish Society for Nature Conservation)

and NUTEK (The National Board for Industrial and Technical

Development in Sweden).

The requirements cover a wide range of issues: environment,

ergonomics, usability, emission of electrical and magnetic fields, energy

consumption and electrical and fire safety.

All manuals and user guides at all-guides.com

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