Iiyama PLE1902S Manuel utilisateur

19" LCD Color Monitor Iiyama PLE1902S

Service

HorizontalFrequency

24-80kHz

TABLE OF CONTENTS

Description Page Description Page

SAFETY NOTICE

ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS

AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC

EQUIPMENT CONTAINING HIGH VOLTAGES.

Table Of Contents…………………………………………...1

Revision List………………………………………………....2

1. Monitor Specification..............................………........3

2. LCD Monitor Description…………………………….......4

3. Operation Instruction....................................…...........5

3.1. General Instructions...........................…...........5

3.2. Control Button…………………………….…...............5

3.3 Adjusting the Picture...........................…............6

4. Input/Output Specification............……………............12

4.1. Input Signal Connector............………….................12

4.2. Factory Preset Display Modes......…..................13

4.3. Panel Specification.....………………..................14

5. Block Diagram…........................................................16

5.1 Software Flow Chart………………………….……….16

5.2. Electrical Block Dia

ram…………………..…….......18

6. Schematic……………......................................19

6.1 Main Board....……….......................................19

6.2 Power Board………………………………………....24

6.3 Key Board………………….……………………27

7. PCB Layout..………….......................................28

7.1.Main Board………........................................28

7.2.Power Board….......................................30

7.3. Key Board….........................................................31

8. Maintainability……….......................................32

8.1.Equipments and Tools Requirement......................32

8.2.Trouble Shooting………........................................33

9. White-Balance, Luminance adjustment………….....39

10.Monitor Exploded View……..……………….….......41

11.BOM List…...........................................................42

12.Different Parts List……………………………………56

CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

19" LCD Color Monitor Iiyama PLE1902S

Revision List

Version Date Revision History TPV Model Name

A00 May.-29-07 Initial release T97HMJDBHFYCDN

T97HMJDBHFYDDN

T97HMJDJHFY2DN

T97HMJDBHFY1DN

T97HMJDBHFY2DN

T97SMJDJHFY1DN

A01 Jun.-13-2007 Add new model

T97HMJDJHFY1DN

T97HMJDBHFY3DN

A02 Jul.-31-2007 Add new model

T97HMJDBHFY4DN

A03 Nov.-06-2007 Add mew model T97HMJDBHFY9DN

A04 Jan.-03-2008 Add mew model T97HMJDBHFYADN

19" LCD Color Monitor Iiyama PLE1902S

1. Monitor Specification

19" LCD Color Monitor Iiyama PLE1902S

2. LCD Monitor Description

The LCD Monitor will contain main board, power board, key board which house the flat panel control logic, brightness

control logic and DDC.

The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each

voltage.

Video signal, DDC

Power Board

(

Include ada

ter and inverter

)

Flat Panel and

CCFL backlight

Main Board RS232 Connector

For white balance

adjustment in

factory mode

HOST Computer

CCFT Drive.

AC-IN

100V

Monitor Block Diagram

Key board

19" LCD Color Monitor Iiyama PLE1902S

3. Operation Instructions

3.1 General Instructions

Press the power button to turn the monitor on or off. The other control buttons are located at front of the panel. By

changing these settings, the picture can be adjusted to your personal performance.

-The power cord should be connected.

-Connect the video cable from the monitor to the computer VGA card.

-Press the power button to turn on the monitor, the power indicator will light up.

3.2 Control Buttons

19" LCD Color Monitor Iiyama PLE1902S

3.3 Adjust the Picture

19" LCD Color Monitor Iiyama PLE1902S

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