Samsung SyncMaster 226BW Manual de usuario
SERVICEManual
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.
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.
12 PCB Daigram
12-1
12 PCB Diagram
12-1 Main PCB
SDRAM Memory
scaler
Flash memory
EEPROM
EEPROM
FET Array
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