Samsung LME20WS Manual de usuario
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)
ii
Copyright
©2006 by Samsung Electronics Co., Ltd.
All rights reserved.
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
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
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
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
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
1
10. Operating Instructions and Installation ………………………………………………………………………………………………………10-1
10-1 Front …………………………………………………………………………………………………………………………………… 10-1
10-2 Rear ………………………………………………………………………………………………………………………………………10-2
10-3 Using the Stand …………………………………………………………………………………………………………………………10-4
1
11. Disassembly and Reassembly ………………………………………………………………………………………………………………111-1
11-1 Disassembly …………………………………………………………………………………………………………………………… 11-1
11-2 Reassembly …………………………………………………………………………………………………………………………… 11-3
1
12. PCB Diagram …………………………………………………………………………………………………………………………………112-1
13. CCircuit Descriptions ……………………………………………………………………………………………………………………………113-1
13-1 Block description ……………………………………………………………………………………………………………………… 13-1
13-2 Block operating ……………………………………………………………………………………………………………………… 13-2
1
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.
A
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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