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TFT-LCD TV
Chassis Model
GBP23SEN LE23R86BD
GBP23SEN LE23R87BD
GBP23SEN LE23R88BD
GBP23SEN LE23R86WD
GBP26SEN LE26R86BD
GBP32SEN LE32R86BD
GBP32SEU LE32R81BHX
GBP37SEN LE37R86BD
GBP37SEU LE37R81BX
GBP40SEN LE40R86BD
GBP40SEU LE40R81BHX
GBP23SFI LE23R86BCX
GBP26HFI LE26R86BCX
GBP32SFI LE32R86BCX
GBP37SFI LE37R86BCX
GBP40SFI LE40R86BCX
SERVICE Manual
TFT-LCD TV Fashion Feature
- Luxurious Slim Design
- Supreme Picture Quality
- Supreme Sound Quality
- Supreme Convenience Quality
- Convenience for Users
- iDTV
Copyright Trademarks
2007 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung
Electronics Co., Ltd.
All rights reserved.
LE23R86BC/LE26R86BD/LE32R86BC/
This manual may not, in whole or in part, be copied, LE32R81BX/LE37R86BD/LE37R82BX/LE40R86BD/
photocopied, reproduced, translated, or converted to any LE40R81BHX Service Manual and Macmaster Cable
electronic or machine readable form without prior Adapter are trademarks of Samsung Electronics Co.,
written permission of Samsung Electronics Co., Ltd. Ltd.
LE23R86BC/LE26R86BD/LE32R86BC/
Macintosh and Power Macintosh are trademarks of
LE32R81BX/LE37R86BD/LE37R82BX/LE40R86BD/
Apple Computer, Inc.
LE40R81BHX Service Manual
All other trademarks are the property of their respective
First edition June 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 LE23R86BD/LE23R86BCX Specifications ......................................................................................................... 2-2
2-3 LE26R86BD/LE26R86BCX Specifications ......................................................................................................... 2-3
2-4 LE32R86BD/LE32R86BCX Specifications ......................................................................................................... 2-4
2-5 LE32R81B Specifications................................................................................................................................. 2-5
2-6 LE37R86BD/LE37R86BCX Specifications ......................................................................................................... 2-6
2-7 LE37R82B Specifications................................................................................................................................. 2-7
2-8 LE40R86BD/LE40R86BCX Specifications ......................................................................................................... 2-8
2-9 LE40R81BH Specifications .............................................................................................................................. 2-9
2-10 Spec Comparison ....................................................................................................................................... 2-10
2-11 Option Specification .................................................................................................................................... 2-11
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 ....................................................................................................................................... 3-12
3-5 Software Upgrade ....................................................................................................................................... 3-15
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 LE23R86BDX/LE23R86BCX Exploded View.........................................................................................................5-1
5-2 LE23R86BCX/LE23R86BCX Parts list ............................................................................................................... 5-2
5-3 LE26R86BDX/LE26R86BCX Exploded View ...................................................................................................... 5-3
5-4 LE26R86BDX/LE26R86BCX Parts list ............................................................................................................... 5-4
5-5 LE32R86BDX/LE32R86BCX Exploded View ...................................................................................................... 5-5
5-6 LE32R86BDX/LE32R86BCX Parts list ............................................................................................................... 5-6
5-7 LE32R81BX Exploded View ........................................................................................................................... 5-7
5-8 LE32R81BX Parts list .................................................................................................................................... 5-8
5-9 LE37R86BDX/LE37R86BCX Exploded View ...................................................................................................... 5-7
5-10 LE37R86BDX/LE37R86BCX Parts list ............................................................................................................ 5-8
5-11 LE37R82BX Exploded View ........................................................................................................................ 5-11
5-12 LE37R82BX Parts list ................................................................................................................................. 5-12
5-13 LE40R86BDX/LE40R86BCX Exploded View ................................................................................................... 5-13
Contents
5-14 LE40R86BDX/LE40R86BCX Parts list ............................................................................................................ 5-14
5-15 LE40R81BHX Exploded View ........................................................................................................................ 5-13
5-16 LE40R81BHX Parts list .............................................................................................................................. 5-14
6. Electrical Parts List .............................................................................................................................................6-1
6
6-1 LE32R81BHX Parts List ................................................................................................................................. 6-1
7. Block Diagram ...................................................................................................................................................7-1
7
8. Wiring Diagram ...................................................................................................................................................8-1
8
9. Schematic Diagrams .............................................................................................................................................9-1
9
10. Operating Instructions and Installation.....................................................................................................................10-1
1
10-1 Front ...................................................................................................................................................... 10-1
10-2 LE23R86BD/LE26R86BD/LE32R86BD/LE37R86BD/LE40R86BD Viewing the Connection Panel .............................. 10-2
10-3 LE32R81BX/LE37R81BX/LE40R81BX Viewing the Connection Panel .................................................................. 10-5
10-4 LE23R86BD/LE26R86BD Remote Control ...................................................................................................... 10-7
10-5 LE32R86BD/LE37R86BD/LE40R86BD Remote Control .................................................................................... 10-8
10-6 LE32R81BX/LE37R81BX/LE40R81BX Remote Control .................................................................................... 10-9
10-7 Installing the Stand .................................................................................................................................... 10-10
10-8 Installing the Wall Mount Kit ........................................................................................................................ 10-10
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 (FOR READY) ............................................................................................................... 12-1
12-2 Main PCB Diagram (FOR IDTV) .....................................................................................................................12-2
12-3 23" SMPS ................................................................................................................................................12-3
12-4 26", 32" SMPS ..........................................................................................................................................12-4
12-5 37" SMPS ................................................................................................................................................12-5
12-6 40" IP-Board .............................................................................................................................................12-6
12-7 DIMMING BOARD .......................................................................................................................................12-7
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 : BN82-00183B-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 LE23R86BD/LE23R86BCX Specifications
Item Description
LCD Panel TFT-LCD panel, RGB vertical stripe, normaly white, 23-Inch viewable, 0.372(H) x 0.372(V) mm pixel pitchh
Scanning Frequency Horizontal : 30 kHz ~ 61 kHz (Automatic) / Vertical : 60 Hz ~ 75 Hz (Automatic)
Display Colors 16,777,216 colours
Maximum Resolution Horizontal : 1366 Pixels
Vertical : 768 Pixels
Input Video Signal Analog 0.7 Vp-p