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TFT-LCD TV
Chassis GSA32HEU
GSA37HEU
GSA40HEU
Model LE32S62B
LE37S62B
LE40S62B
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.
LE32S62B / LE37S62B / LE40S62B and Macmaster
This manual may not, in whole or in part, be copied, Cable Adapter are trademarks of Samsung Electronics
photocopied, reproduced, translated, or converted to any 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.
LE32S62B / LE37S62B / LE40S62B 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 LE32S62B Specifications ................................................................................................................................. 2-2
2-3 LE37S62B Specifications ................................................................................................................................. 2-3
2-4 LE40S62B Specifications ................................................................................................................................. 2-4
2-5 Spec Comparison .......................................................................................................................................... 2-5
2-6 Option Specification ....................................................................................................................................... 2-6
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 ....................................................................................................................................... 3-6
3-5 Software Upgrade .......................................................................................................................................... 3-9
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 LE32S62B Exploded View .............................................................................................................................. 5-1
5-2 LE32S62B Parts list ....................................................................................................................................... 5-2
5-3 LE37S62B Exploded View .............................................................................................................................. 5-3
5-4 LE37S62B Parts list ....................................................................................................................................... 5-4
5-5 LE40S62B Exploded View .............................................................................................................................. 5-5
5-6 LE40S62B Parts list ....................................................................................................................................... 5-6
6. Electrical Parts List .............................................................................................................................................6-1
6
6-1 LE32S62B Parts List ....................................................................................................................................... 6-1
6-2 LE37S62B Parts List .................................................................................................................................... 6-19
6-3 LE40S62B Parts List .................................................................................................................................... 6-33
7. Block Diagram ...................................................................................................................................................7-1
7
Contents
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 Power Board Layout ....................................................................................................................................... 8-6
9. Schematic Diagrams .............................................................................................................................................9-1
9
10. Operating Instructions and Installation.....................................................................................................................10-1
1
10-1 Front ...................................................................................................................................................... 10-1
10-2 Connection Panel ....................................................................................................................................... 10-2
10-3 Remote control .......................................................................................................................................... 10-4
10-4 Installing the Stand .................................................................................................................................... 10-5
10-5 Installing the Wall Mount Kit ........................................................................................................................ 10-5
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 32" SMPS ................................................................................................................................................12-2
12-3 37" SMPS ................................................................................................................................................ 12-3
12-4 40" SMPS ................................................................................................................................................ 12-4
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 : BN82-00218A-00
and/or domestic law. URL : http://itself.sec.samsung.co.kr/