Samsung 206BW, 226BW Schematics

SERVICE

Manual

LCD Monitor

Fashion Feature

LCD-Monitor

Chassis LME20WS

LME22WS

Model 206BW

226BW

- 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 Service Manual
First edition December 2006.

Printed in Korea.

Trademarks

Samsung is the registered trademark of Samsung
Electronics Co., Ltd.

LME20WS/LME22WS 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 Spec Comparison ………………………………………………………………………………………………………………………… 2-4

2-6 Option Specification ……………………………………………………………………………………………………………………… 2-5

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-00
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.

2 Product Specifications

2-1

2 Product Specifications

2-1 Fashion Feature

-. Premium HAS application(Lift 80mm)

-. Magic Rotation application(Auto pivot Delete)

-. Embeded Power, Mechanical S/W application

2-2 Feature

No Feature Feature

Operating method

If 206BW/226BW turns on in some resolution for the first time, it can
execute Auto adjustment automatically for the high Quality

206BW/226BW can check the change of Source
Automatically and change the source to the active Input

206BW/226BW supports Wall mount (100 X 100)

206BW/226BW supports 3 step Adjustment
for Gamma & Color temperature

206BW/226BW supports 7 different brightness mode
(Custom, Text, Internet, Game, Sports, Movie, Dynamic Contrast)

Auto Auto

Auto Power

on/off

Wall mount

Gamma &

Color

temperature

Adjust

Magic Bright

Adjust the Sharpness

Sharpness

1

2

3

4

5

6

2 Product Specifications

2-2

LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive,

20-Inch viewable, 0.258 (H) x 0.258 (V) mm pixel pitch

Scanning Frequency Horizontal : 30 kHz ~ 81 kHz (Automatic)

Vertical : 56 Hz ~ 75 Hz (WSXGA+ : 60Hz)

Display Colors 16.7 Million colors

Maximum Resolution Horizontal : 1680 Pixels

Vertical : 1050 Pixels

Input Signal

Analog / Digital

Input Sync Signal Seperate H/V sync, Composite H/V, Sync-on-Green, Automatic synchroniza

tion whitout external swith of sync type
Level : TTL level

Maximum Pixel Clock rate 162 MHz (Analog/Display)

Active Display
Horizontal/Vertical 408(H) x 306(W)

AC power voltage & Frequency

AC 90 ~ 264 Volts, 60/50 Hz ¡¾ 3 Hz

Power Consumption 50W (MAX)

Dimensions

Set (W x D x H) 476 x 65.2 x 329 mm (18.7 x 2.6 x 13 inch)

With Stand (W x D x H) 476 x 219.3 x 397 mm (18.5 x 8.6 x 15.6 inch)

SWIVEL ANGLE 0 ~ 350°

TILT ANGLE -1 ~ 22°

Weight (Set/Package) 6.0 Kg / 7.9 Kg

Environmental Considerations

Operating Temperature : 50°F ~ 122°F (10°C ~ 50°C)
Operating Humidity : 10% ~ 90%
Storage temperature : -4°F ~113 °F (-20°C ~ 45°C)
Storage Humidity : 5% ~ 90%

- Designs and specifications are subject to change without prior notice.

Description

Item

2-3 LME20WS Specifications

2 Product Specifications

2-3

LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive,

22-Inch viewable, 0.258 (H) x 0.258 (V) mm pixel pitch

Scanning Frequency Horizontal : 31 kHz ~ 80 kHz (Automatic)

Vertical : 56 Hz ~ 75 Hz (WSXGA+ : 60Hz)

Display Colors 16.7 Million colors

Maximum Resolution Horizontal : 1680 Pixels

Vertical : 1050 Pixels

Input Signal

Analog / Digital

Input Sync Signal Seperate H/V sync, Composite H/V, Sync-on-Green, Automatic synchroniza

tion whitout external swith of sync type
Level : TTL level

Maximum Pixel Clock rate 162 MHz (Analog/Display)

Active Display
Horizontal/Vertical 408(H) x 306(W)

AC power voltage & Frequency

AC 90 ~ 264 Volts, 60/50 Hz ¡¾ 3 Hz

Power Consumption 50W (MAX)

Dimensions

Set (W x D x H) 514.6 x 63 x 353 mm (20.3 x 2.5 x 19 inch)

With Stand (W x D x H) 514.6 x 219.3 x 421.7 mm (20.3 x 8.6 x 16.6 inch)

SWIVEL ANGLE 0 ~ 350°

TILT ANGLE -1 ~ 22°

Weight (Set/Package) 6.5 Kg / 8.5 Kg

Environmental Considerations

Operating Temperature : 50°F ~ 122°F (10°C ~ 50°C)
Operating Humidity : 10% ~ 90%
Storage temperature : -4°F ~113 °F (-20°C ~ 45°C)
Storage Humidity : 5% ~ 90%

- Designs and specifications are subject to change without prior notice.

Description

Item

2-4 LME22WS Specifications

2 Product Specifications

2-4

Model

Design

20" (LME20WS)
22" (LME22WS)

300cd/㎡

1000:1 (206BW)

700:1 (226BW)

8ms

X

Premium

O

7 steps

Custom , Text, Internet, Game,

Sports, Movie, Dynamic Contrast

LME20WS
LME22WS

Screen Size

Brightness

Contrast

Fast Response

Time

Magic Pivot

Magic Tune

Sharpness

Magic Bright

20.1"

300cd/㎡

800:1

5ms

X

Premium

O

6 steps

Text, Internet, Sports, Movie,

Game, Custom

LS20BRD

2-5 Spec Comparison

2 Product Specifications

2-5

2-6 Option Specification

Item Item Name Code.No Remark

Quick Setup Guide

BH68-00376L

BH68-00261F

BN59-00521H

BN39-00244B

3903-000085

Warranty Card

(Not available in all locations)

User's Guide,

Monitor Driver,

MagicTune™ software

D-Sub(15 Pin)

Cable

Power Cord

BN39-00246F

Sold separately

DVI Cable

Memo

2 Product Specifications

2-6

5 Exploded View & Parts List

5-1

5 Exploded View and Parts List

-You can search for updated part codes through ITSELF web site.

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

5-1 LHA20WS Exploded View

T0056

T0003

M0112

M0130

T0023

M0007

M0215

M0006

M0014

M0174

M0013

M0006

M0113

M0013

M0003

5 Exploded View & Parts List

5-2

5-2 LHA20WS Parts List

Location.No

CODE-NO SPECIFICATION & DESCRIPTION Q'TY SA/SNA REMARK

T0003 BN96-04539A ASSY COVER P-FRONT;LS20MEW,ABS HB,BK26,H 1 S.A
M0112 BN63-02911A COVER-FRONT;LS20MEW,ABS,HB,BK26,HIGHGLOS 1 S.N.A
T0056 BN63-02912A COVER-DECORATION;LS20MEW,ABS,HB,GR70(SVM 1 S.N.A
M0130 BN67-00168A LENS LED;LS17ME/LS19ME,ACRYL 1 S.N.A
T0023 BN64-00473A KNOB POWER;LS17ME/LS19ME,ABS,NTR 1 S.N.A
M0007 BN64-00474A KNOB-FUNCTION;LS17ME/LS19ME,ABS+PC,BK07 1 S.N.A
M0215 BN07-00374A LCD-PANEL;CLAA201WA04,Doppler,6bit Hi-FR 1 S.A
M0006 BN96-04542B ASSY SHIELD P-COVER;LS20MEW,SECC,T1.0,CP 1 S.N.A
M0174 BN44-00127L IP BOARD;FSP050-1PI02,206BW(4LAMP),3.0 ~ 1 S.A
M0014 BN94-01266X ASSY PCB MAIN-PTZ,W/W;LS20MEWSFV* 1 S.N.A
M0013 BN96-04540E ASSY COVER P-REAR;LS20MEW,HIPS HB,BK07,C 1 S.A
M0006 BN63-02909A COVER-REAR SUB;LS20MEW,HIPS,HB,BK07 1 S.A
M0003 BN96-01953E ASSY STAND P;LS19MDB,HIPS,BK07 1 S.A
M0013 BN96-04541A ASSY STAND P-BASE;LS20MEW,ABS HB,BK26+BK 1 S.A

5 Exploded View & Parts List

5-3

5-3 LME22WS Parts List

T0056

M0112

T0003

M0130

T0023

M0007

M0215

M0174

M0014

M0001

M0006

M0013

M0107

M0006

M0113

M0006

M0013

M0003

5 Exploded View & Parts List

5-4

5-4 LME22WS Parts List

Location.No

CODE-NO SPECIFICATION & DESCRIPTION Q'TY SA/SNA REMARK

T0003 BN96-04543A ASSY COVER P-FRONT;LS22MEW,ABS HB,BK26,H 1 S.A
M0112 BN63-02914A COVER-FRONT;LS22MEW,ABS,HB,BK26,HIGHGLOS 1 S.N.A
T0056 BN63-02913A COVER-DECORATION;LS22MEW,ABS,HB,GR70(SVM 1 S.N.A
M0130 BN67-00168A LENS LED;LS17ME/LS19ME,ACRYL 1 S.N.A
T0023 BN64-00473A KNOB POWER;LS17ME/LS19ME,ABS,NTR 1 S.N.A
M0007 BN64-00474A KNOB-FUNCTION;LS17ME/LS19ME,ABS+PC,BK07 1 S.N.A
M0215 BN07-00321A LCD-PANEL;M220Z1-L01,Doppler,8bit,493.7* 1 S.A
M0006 BN96-04545A ASSY SHIELD P-COVER;LS22MEW,SECC,T1.0 1 S.N.A
M0107 BN63-02918A SHIELD-COVER;LS22MEW,SECC,T1.0 1 S.N.A
M0001 BN63-01774A SHIELD-INSULATOR;BI17/19BS,PET,T0.35 1 S.N.A
M0014 BN94-01158B ASSY PCB MAIN-CTZ;LS22MEWSFV/EDC,W/W,CMO 1 S.A
M0174 BN44-00127M IP BOARD;IP-45130A(WN),226BW,3.0 ~5.0mA, 1 S.A
M0013 BN96-04544A ASSY COVER P-REAR;LS22MEW,HIPS HB,BK07 1 S.A
M0006 BN63-02915A COVER-REAR;LS22MEW,HIPS,HB,BK07 1 S.N.A
M0113 BN61-02806A BRACKET-VESA;LS20MEW,SECC,T1.0 2 S.N.A
M0006 BN63-02916A COVER-REAR SUB;LS22MEW,HIPS,HB,BK07 1 S.A
M0003 BN96-01953E ASSY STAND P;LS19MDB,HIPS,BK07 1 S.A
M0013 BN96-04541A ASSY STAND P-BASE;LS20MEW,ABS HB,BK26+BK 1 S.A

9 Schematic Diagrams

9-1

9 Schematic Diagrams

- This Document can not be used without Samsungs authorization.

9-1 Schematic Diagrams

9 Schematic Diagrams

9-2

- This Document can not be used without Samsungs authorization.

9 Schematic Diagrams

9-3

- This Document can not be used without Samsungs authorization.

9 Schematic Diagrams

9-4

Memo

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.

11 Disassembly and Reassembly

11-2

Description Picture Description

4. Use the jig to remove the shield lamp.

(Be careful Shield.)

5. Remove the FUNCTION Wire from PCB ASS’Y.

6. Remove the Panel Lamp wire.

7. Remove the LVDS Wire from Panel.

8. Remove 4 screws.

9. Remove 4 screws and Lift up the Main PCB and
IB Board.

11 Disassembly and Reassembly

11-3

10. Main PCB and IB Board

Description Picture Description

11 Disassembly and Reassembly

11-4

11-2 Reassembly

Reassembly procedures are in the reverse order of disassembly procedures.

4 Troubleshooting

4-1

4 Troubleshooting

4-1 No Power

Does proper DC 14 V

appear at Pin 5,6,7,9

of CN700?

Check the IP Board.

There is no light in the power indicator.

Check IC310.

Yes

No

Does proper DC 5V
appear at Output of

C719?

Check the IC702

Yes

No

Does proper DC 3.3V

appear at

Pin 4 of the IC705?

Check the IC705.

No

Yes

Yes

Does proper DC 1.8V

appear at

Pin 2 of the IC703?

Check the IC703.

No

1

2

3

4