Samsung LME20WS Bedienungsanleitung

SERVICEManual

LCD Monitor Fashion Feature

LCD-Monitor

Chassis Model

LME20WS 206BW

LME22WS 226BW

LME20AS 206NW

LME22AS 226NW

LME22VS 216BW

223BW

- Magic Bright

- Magic Color

- Integrated UI applied

- Hidden Function Key

- Lustrous Appearance (Design)

This manual may not, in whole or in part, be copied,

photocopied, reproduced, translated, or converted to

any electronic or machine readable form without prior

written permission of Samsung Electronics Co., Ltd.

LME20WS/LME22WS/LME20AS/LME22AS/LME22VS

Service Manual

First edition December 2006.

Printed in Korea.

Trademarks

Samsung is the registered trademark of Samsung

Electronics Co., Ltd.

LME20WS/LME22WS/LME20AS/LME22AS/LME22VS

and MacMaster Cable Adapter are trademarks of

Samsung Electronics Co., Ltd.

Macintosh, Power Macintosh are trademarks of Apple

Computer, Inc.

All other trademarks are the property of their respective

owners.

11. Precautions………………………………………………………………………………………………………………………………………11-1

1-1 Safety Precautions ……………………………………………………………………………………………………………………… 1-1

1-2 Servicing Precautions …………………………………………………………………………………………………………………… 1-2

1-3 Electrostatically Sensitive Devices (ESD) Precautions ……………………………………………………………………………… 1-2

1-4 Installation Precautions ………………………………………………………………………………………………………………… 1-3

2. Product specifications …………………………………………………………………………………………………………………………22-1

2-1 Fashion Feature…………………………………………………………………………………………………………………………… 2-1

2-2 Feature …………………………………………………………………………………………………………………………………… 2-1

2-3 LME20WS Specifications ………………………………………………………………………………………………………………… 2-2

2-4 LME22WS Specifications ………………………………………………………………………………………………………………… 2-3

2-5 LME20AS Specifications ………………………………………………………………………………………………………………… 2-4

2-6 LME22AS Specifications ………………………………………………………………………………………………………………… 2-5

2-7 LME22VS Specifications ………………………………………………………………………………………………………………… 2-6

2-8 Spec Comparison ………………………………………………………………………………………………………………………… 2-7

2-9 Option Specification ……………………………………………………………………………………………………………………… 2-8

3. Alignments and Adjustments …………………………………………………………………………………………………………………33-1

3-1 Required Equipment …………………………………………………………………………………………………………………… 3-1

3-2 Automatic Color Adjustment …………………………………………………………………………………………………………… 3-1

3-3 DDC EDID Data Input …………………………………………………………………………………………………………………… 3-1

3-4 Service Function Spec. ………………………………………………………………………………………………………………… 3-2

3-5 Hidden Key list …………………………………………………………………………………………………………………………… 3-3

3-6 EDID Installation with Windows Program ………………………………………………………………………………………………3-4

3-7 Execution Items after replacing the main board ………………………………………………………………………………………3-4

4. Troubleshooting …………………………………………………………………………………………………………………………………44-1

4-1 No Power ……………………………………………………………………………………………………………………………………4-1

4-2 No Video (PC Analog Signal) …………………………………………………………………………………………………………… 4-3

4-3 No Video (PC Digital Signal) …………………………………………………………………………………………………………… 4-5

5. Exploded View and Parts List ………………………………………………………………………………………………………………55-1

6. EElectrical Parts List ……………………………………………………………………………………………………………………………66-1

7. BBlock Diagram …………………………………………………………………………………………………………………………………77-1

Contents

88. Wiring Diagram …………………………………………………………………………………………………………………………………88-1

9. SSchematic Diagrams ……………………………………………………………………………………………………………………………99-1

9-1 Schematic Diagrams ……………………………………………………………………………………………………………………… 9-1

9-2 Schematic Diagrams ………………………………………………………………………………………………………………………9-3

10. Operating Instructions and Installation ………………………………………………………………………………………………………10-1

10-1 Front …………………………………………………………………………………………………………………………………… 10-1

10-2 Rear ………………………………………………………………………………………………………………………………………10-2

10-3 Using the Stand …………………………………………………………………………………………………………………………10-4

11. Disassembly and Reassembly ………………………………………………………………………………………………………………111-1

11-1 Disassembly …………………………………………………………………………………………………………………………… 11-1

11-2 Reassembly …………………………………………………………………………………………………………………………… 11-3

12. PCB Diagram …………………………………………………………………………………………………………………………………112-1

13. CCircuit Descriptions ……………………………………………………………………………………………………………………………113-1

13-1 Block description ……………………………………………………………………………………………………………………… 13-1

13-2 Block operating ……………………………………………………………………………………………………………………… 13-2

14. Reference Infomation ……………………………………………………………………………………………………………………… 114-1

14-1 Technical Terms ……………………………………………………………………………………………………………………… 14-1

14-2 Pin Assignments…………………………………………………………………………………………………………………………14-4

14-3 Timing Chart ……………………………………………………………………………………………………………………………14-5

14-4 Preset Timing Modes ………………………………………………………………………………………………………………… 14-6

14-5 Panel Description ……………………………………………………………………………………………………………………… 14-7

Contents

Samsung Electronics Co.,Ltd.

416, Maetan-3Dong, Yeongtong-Gu, Suwon City,

Gyeonggi-Do, Korea, 443-742

Printed in Korea

P/N : BN82-00138M-03

URL : http://itself.sec.samsung.co.kr/

-This Service Manual is a property of Samsung

Electronics Co., Ltd.

Any unauthorized use of Manual can be punished

under applicable International and/or domestic

law.

10 Operating Instructions and Installation

10-1

10 Operating Instructions and Installation

10-1 Front

1. Menu button

Opens the OSD menu. Also use to exit the OSD

menu or return to the previous menu.

2. MagicBright button

MagicBright is a new feature providing optimum

viewing environment depending on the contents of

the image you are watching. Currently six different

modes are available: Custom, Text, Internet,

Game, Sport and Movie. Each mode has its own

pre-configured brightness value. You can easily

select one of six settings by simply pressing

MagicBright control buttons.

1) Custom

Although the values are carefully chosen by our

engineers, the pre-configured values may not be

comfortable to your eyes depending on your taste.

If this is the case, adjust the brightness and con-

trast by using the OSD menu.

2) Text

For documentations or works involving heavy text.

3) Internet

For working with a mixture of images such as text

and graphics.

4) Game

For watching motion pictures such as a game.

5) Sport

For watching motion pictures such as a sport.

6) Movie

For watching motion pictures such as a DVD or

Video CD.

6) Dynamic Contrast

Dynamic Contrast is to automatically detect distri-

bution of inputted visual signal and adjust to create

optimum contrast.

3. Bright button

When OSD is not on the screen, push the button

to adjust brightness.

10 Operating Instructions and Installation

10-2

10-2 Rear

2,3. Adjust buttons

Adjust items in the menu.

4. Enter button / Source button

Activates a highlighted menu item. /

Push the 'SOURCE', then selects the video signal

while the OSD is off. (When the source button is

pressed to change the input mode, a message

appears in the left upper side of the screen

displaying the current mode -- analog or digital

input signal.)

Note : If you select the digital mode, you must con-

nect your monitor to the graphic card's port using

the DVI cable.

5. Auto button

When the 'AUTO' button is pressed, the Auto

Adjustment screen appears as shown in the ani-

mated screen on the center. Auto adjustment

allows the monitor to self-adjust to the incoming

video signal. The values of fine, coarse and posi-

tion are adjusted automatically. (Available in ana-

log mode only)

6. Power button

Use this button for turn the monitor on and off.

1. POWER port Connect the power cord for your monitor to the power port on the back of the

monitor.

2. DVI IN (HDCP) port Connect the DVI Cable to the DVI port on the back of your monitor.

(206NW/226NW= RGB IN Only)

3. RGB IN port Connect the signal cable to the 15-pin, D-sub port on the back of your monitor.

4. Kensington Lock The Kensington lock is a device used to physically fix the system when using it in

a public place.

(The locking device has to be purchased separately.

For using a locking device, contact where you purchase it.)

(The configuration at the back of the monitor may vary from product to product.)

10 Operating Instructions and Installation

10-3

10-3 Using the Stand

10-3-1 Removing the base

1. Turn off your monitor and unplug its power cord.

2. Lay the LCD monitor face-down on a flat surface with a cushion beneath it to protect the screen.

3. Remove four screws(A) and then remove the Stand from the LCD monitor.

10 Operating Instructions and Installation

10-4

A. Monitor

B. Mounting interface pad

1. Turn off your monitor and unplug its power cord.

2. Lay the LCD monitor face-down on a flat surface with a cushion beneath it to protect the screen.

3. Remove four screws and then remove the stand from the LCD monitor.

4. Align the mounting interface Pad with the holes in the rear cover mounting pad and secure it with four

screws that came with the arm-type base, wall mount hanger or other base.

10-3-2 Attaching a Base

- This monitor accepts a 100mm x 100mm VESA-compliant mounting interface pad.

1. 2.

4.3.

11 Disassembly and Reassembly

11-1

11 Disassembly and Reassembly

This section of the service manual describes the disassembly and reassembly procedures for the LHA20WS

TFT-LCD monitors.

WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling

these components.

11-1 Disassembly

Cautions: 1. Disassembly stand on the flat desk.

2. Disconnect the monitor from the power source before disassembly.

Description Picture Description

1. Remove 3 screws from the stand and

Remove stand.

2. Remove 3 screws from the stand and Lift up

back cover.

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