Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung LCD TV LE26R81BX LE26R81BXXEC_ET-SB-EX-SI_1311061354
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TFT-LCD TV
Chassis GBP23SEN
GBP26SEN
Model LE23R81BX
LE26R81BX
SERVICE Manual
TFT-LCD TV Fashion Feature
- Luxurious Slim Design
- Supreme Picture Quality
- Supreme Sound Quality
- Supreme Convenience Quality
- Convenience for Users
Copyright Trademarks
2007 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung
Electronics Co., Ltd.
All rights reserved.
LE23R81BX/LE26R81BX Service Manual and
This manual may not, in whole or in part, be copied, Macmaster Cable Adapter are trademarks of Samsung
photocopied, reproduced, translated, or converted to any Electronics Co., Ltd.
electronic or machine readable form without prior
written permission of Samsung Electronics Co., Ltd. Macintosh and Power Macintosh are trademarks of
Apple Computer, Inc.
LE23R81BX/LE26R81BX Service Manual
All other trademarks are the property of their respective
First edition March 2007.
owners.
Printed in Korea.
ii
Contents
1. Precautions .........................................................................................................................................................1-1
1
1-1 Safety Precautions ....................................................................................................................................... 1-1
1-2 Servicing Precautions .................................................................................................................................... 1-2
1-3 Static Electricity Precautions ........................................................................................................................... 1-2
1-4 Installation Precautions.................................................................................................................................... 1-3
2. Product specifications ..........................................................................................................................................2-1
2
2-1 Fashion Feature ............................................................................................................................................. 2-1
2-2 LE23R81BX Specifications .............................................................................................................................. 2-2
2-3 LE26R81BX Specifications .............................................................................................................................. 2-3
2-4 Spec Comparison .......................................................................................................................................... 2-4
2-5 Option Specification ....................................................................................................................................... 2-5
3. Alignments and Adjustments .................................................................................................................................3-1
3
3-1 Service Instruction ....................................................................................................................................... 3-1
3-2 How to Access Service Mode ........................................................................................................................... 3-2
3-3 Factory Data ................................................................................................................................................ 3-3
3-4 Service Adjustment ....................................................................................................................................... 3-11
3-5 Software Upgrade ....................................................................................................................................... 3-14
4. Troubleshooting ................................................................................................................................................4-1
4
4-1 First Checklist for Troubleshooting .....................................................................................................................4-1
4-2 Checkpoints by Error Mode .............................................................................................................................. 4-2
5. Exploded View and Parts List .................................................................................................................................5-1
5
5-1 LE23R81BX Exploded View ..............................................................................................................................5-1
5-2 LE23R81BX Parts list .................................................................................................................................... 5-2
5-3 LE26R81BX Exploded View ........................................................................................................................... 5-3
5-4 LE26R81BX Parts list .................................................................................................................................... 5-4
6. Electrical Parts List .............................................................................................................................................6-1
6
6-1 LE23R81BX Parts List .................................................................................................................................... 6-1
6-2 LE26R81BX Parts List ................................................................................................................................. 6-20
7. Block Diagram ...................................................................................................................................................7-1
7
8. Wiring Diagram ...................................................................................................................................................8-1
8
8-1 Wiring Diagram .............................................................................................................................................8-1
8-2 Main Board Layout ....................................................................................................................................... 8-2
8-3 PIN characteristic .......................................................................................................................................... 8-3
8-4 Connector Location and PCB outline figure ......................................................................................................... 8-6
8-5 Output Connector .......................................................................................................................................... 8-7
9. Schematic Diagrams .............................................................................................................................................9-1
9
Contents
10. Operating Instructions and Installation.....................................................................................................................10-1
1
10-1 Front ...................................................................................................................................................... 10-1
10-2 Viewing the Connection Panel ..................................................................................................................... 10-2
11. Disassembly and Reassembly ..............................................................................................................................11-1
1
11-1 Disassembly ............................................................................................................................................. 11-1
11-2 Reassembly ............................................................................................................................................. 11-5
12. PCB Diagram ...................................................................................................................................................12-1
1
12-1 Main PCB Diagram .................................................................................................................................... 12-1
12-2 Main PCB Diagram ....................................................................................................................................12-2
13. Circuit Descriptions .............................................................................................................................................13-1
1
13-1 Block description ....................................................................................................................................... 13-1
13-2 Main Block ................................................................................................................................................ 13-3
13-3 SMPS Board ............................................................................................................................................. 13-4
14. Reference Infomation ....................................................................................................................................... 14-1
14-1 Technical Terms ....................................................................................................................................... 14-1
14-2 Pin Assignments ....................................................................................................................................... 14-4
14-3 Timing Chart ............................................................................................................................................. 14-7
14-4 Panel Description .................................................................................................................................... 14-11
Samsung Electronics Co.,Ltd.
- This Service Manual is a property of 416, Maetan-3Dong, Yeongtong-Gu, Suwon City,
Samsung Electronics Co., Ltd. Gyeonggi-Do, Korea, 443-742
Any unauthorized use of Manual can be Printed in Korea
punished under applicable International P/N : BN82-BN82-00183A-00
and/or domestic law. URL : http://itself.sec.samsung.co.kr/
2 Product Specifications
2 Product specifications
2-1 Fashion Feature
Supreme Digital Interface & Networking
-With a built-in HD digital tuner, it supports HD broadcasting with no particular set-top box and provides
simple access with a single remote control.
Excellent Picture Quality
-DNIe technology provides life-like clear images.
My Color Control
-Colors can be set to your preference by adjusting Red, Green, Blue, Yellow, Pink and White.
Dynamic Contrast
-Automatically detects the input visual signal and adjusts to create optimum contrast.
Brightness Sensor
-Adjusts the screen brightness automatically depending on the brightness of the surrounding
environment.
SRS TruSurround XT
-SRS TruSurround XT provides a virtual Dolby surround system.
Convenience
-The TV utilizes the HDMI system to implement perfect digital sound and picture quality.
The Anynet system enables you to easily control Samsung audio-video (AV) devices from this TV.
2-1
2 Product Specifications
2-2 LE23R81BX Specifications
Item Description
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