Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung LCD TV LA32R71W LCD SAMSUNG-LA32R71W

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LCD SAMSUNG-LA32R71W


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              TFT-LCD TV
              Chassis                     Model
              GBD26KS                     LA26R71B
              GBD32KS                     LA32R71B
              GBD40KS                     LA40R71B
              GBD32KS                     LA32R71W




SERVICE                  Manual

 TFT-LCD TV                     Feature
                - Luxurious Slim Design

                - Supreme Picture Quality

                - Supreme Sound Quality

                - Supreme Convenience Quality

                - Convenience for Users
Copyright                                                  Trademarks

 2006 by Samsung Electronics Co., Ltd.                     Samsung is the registered trademark of Samsung
                                                           Electronics Co., Ltd.
All rights reserved.
                                                           LA26R71B / LA32R71B / LA40R71B / LA32R71W
This manual may not, in whole or in part, be copied,       and Macmaster Cable Adapter are trademarks of
photocopied, reproduced, translated, or converted to any   Samsung 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.
LA26R71B / LA32R71B / LA40R71B / LA32R71W
Service Manual                                             All other trademarks are the property of their respective
                                                           owners.
First edition March 2006.

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 LA26R71B Specifications................................................................................................................................. 2-2

     2-3 LA32R71B / LA32R71W Specifications ............................................................................................................... 2-3

     2-4 LA40R71B 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 ....................................................................................................................................... 3-9

     3-5 Software Upgrade ....................................................................................................................................... 3-12



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 LA26R71B Exploded View .............................................................................................................................. 5-1

     5-2 LA26R71B Parts list ....................................................................................................................................... 5-2

     5-3 LA32R71B Exploded View .............................................................................................................................. 5-3

     5-4 LA32R71B Parts list ....................................................................................................................................... 5-4

     5-5 LA32R71W Parts list ....................................................................................................................................... 5-4

     5-6 LA40R71B Exploded View .............................................................................................................................. 5-5

     5-7 LA40R71B Parts list ....................................................................................................................................... 5-6



6. Electrical Parts List .............................................................................................................................................6-1
                                                                                                                                                                      6

     6-1 LA26R71B Parts List ....................................................................................................................................... 6-1

     6-2 LA32R71B Parts List .................................................................................................................................... 6-19

     6-3 LA40R71B Parts List .................................................................................................................................... 6-35

     6-4 LA32R71W Parts List .................................................................................................................................... 6-52



7. Block Diagram ...................................................................................................................................................7-1
                                                                                                                                                                    7
                                                                    Contents
8. Wiring Diagram ...................................................................................................................................................8-1
                                                                                                                                                                     8

     8-1 LA26R71B / LA32R71B / LA40R71B / LA32R71W 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

     9-1 Power_Sound Schematic Diagram ..................................................................................................................... 9-1

     9-2 Jack Schematic Diagram ................................................................................................................................. 9-2

     9-3 Micom Schematic Diagram .............................................................................................................................. 9-3

     9-4 SVP-PX/PX-Power/LBE-Option Schematic Diagram ............................................................................................. 9-4

     9-5 Application Schematic Diagram ........................................................................................................................ 9-5



10. Operating Instructions and Installation.....................................................................................................................10-1
                                                                                                                                                                1

     10-1 Front ...................................................................................................................................................... 10-1

     10-2 Connection Panel ....................................................................................................................................... 10-2

     10-3 Remote control .......................................................................................................................................... 10-5

     10-4 Installing the Stand .................................................................................................................................... 10-6

     10-5 Installing the Wall Mount Kit ........................................................................................................................ 10-6



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 26" Main PCB Diagram .............................................................................................................................. 12-1

     12-2 32", 40" Main PCB Diagram ...........................................................................................................................12-2

     12-3 26" SMPS board ....................................................................................................................................... 12-3

     12-4 32" SMPS board ....................................................................................................................................... 12-4

     12-5 40" IP Board ............................................................................................................................................. 12-5



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 ............................................................................................................................................. 14-6

     14-4 Panel Description .................................................................................................................................... 14-10
                                            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 : BN82-00139H-01
  and/or domestic law.                      URL : http://itself.sec.samsung.co.kr/



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