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Copyright Trademarks
2006 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung
Electronics Co., Ltd.
All rights reserved.
LE26R71B/LE26R72B/LE26R75B/LE32R71B/
This manual may not, in whole or in part, be copied, LE32R72B/LE32R75B/LE32R76B/LE37R72B/
photocopied, reproduced, translated, or converted to any LE40R71B/LE40R72B/LE40R75B/LE40R76B and
electronic or machine readable form without prior Macmaster Cable Adapter are trademarks of Samsung
written permission of Samsung Electronics Co., Ltd. Electronics Co., Ltd.
LE26R71B/LE26R72B/LE26R75B/LE32R71B/
Macintosh and Power Macintosh are trademarks of
LE32R72B/LE32R75B/LE32R76B/LE37R72B/
Apple Computer, Inc.
LE40R71B/LE40R72B/LE40R75B/LE40R76B 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 LE26R71B / LE26R72B / LE26R75B Specifications ............................................................................................. 2-2
2-3 LE32R71B / LE32R72B / LE32R75B / LE32R76B Specifications.............................................................................. 2-3
2-4 LE37R72B Specifications................................................................................................................................. 2-4
2-5 LE40R71B / LE40R72B / LE40R75B / LE40R76B Specifications.............................................................................. 2-5
2-6 Spec Comparison .......................................................................................................................................... 2-6
2-7 Option Specification ....................................................................................................................................... 2-7
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 LE26R71B, LE26R75B Exploded View ............................................................................................................... 5-1
5-2 LE26R71B Parts list ....................................................................................................................................... 5-2
5-3 LE26R75B Parts list ....................................................................................................................................... 5-2
5-4 LE26R72B Exploded View .............................................................................................................................. 5-3
5-5 LE26R72B Parts list ....................................................................................................................................... 5-4
5-6 LE32R71B, LE32R75B, LE32R76B Exploded View ............................................................................................. 5-5
5-7 LE32R71B Parts list ....................................................................................................................................... 5-6
5-8 LE32R75B Parts list ....................................................................................................................................... 5-6
5-9 LE32R76B Parts list ....................................................................................................................................... 5-6
5-10 LE32R72B Exploded View.............................................................................................................................. 5-7
5-11 LE32R72B Parts list .................................................................................................................................... 5-8
5-12 LE37R72B Exploded View.............................................................................................................................. 5-9
5-13 LE37R72B Parts list .................................................................................................................................... 5-10
5-14 LE40R71B, LE40R75B, LE40R76B Exploded View .......................................................................................... 5-11
5-15 LE40R71B Parts list .................................................................................................................................... 5-12
5-16 LE40R75B Parts list .................................................................................................................................... 5-12
5-17 LE40R76B Parts list .................................................................................................................................... 5-12
5-18 LE40R72B Exploded View ........................................................................................................................... 5-13
5-19 LE40R72B Parts list .................................................................................................................................... 5-14
6. Electrical Parts List .............................................................................................................................................6-1
6
6-1 LE26R71B Parts List ....................................................................................................................................... 6-1
6-2 LE26R72B Parts List .................................................................................................................................... 6-20
6-3 LE32R71B Parts List .................................................................................................................................... 6-34
Contents
6-4 LE32R72B Parts List .................................................................................................................................... 6-49
6-5 LE37R72B Parts List .................................................................................................................................... 6-63
6-6 LE40R71B Parts List .................................................................................................................................... 6-77
6-7 LE40R72B Parts List .................................................................................................................................... 6-92
6-8 LE26R75B Parts List ................................................................................................................................. 6-106
6-9 LE32R75B Parts List ................................................................................................................................. 6-120
6-10 LE32R76B Parts List ................................................................................................................................. 6-134
6-11 LE40R75B Parts List ................................................................................................................................. 6-148
6-12 LE40R76B Parts List ................................................................................................................................. 6-162
7. Block Diagram ...................................................................................................................................................7-1
7
8. Wiring Diagram ...................................................................................................................................................8-1
8
8-1LE26R71B/LE32R71B/LE40R71B/LE26R72B/LE32R72B/LE37R72B/LE40R72B/LE26R75B/LE32R75B/LE40R75B/LE32R76B/LE40R76B 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 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 .......................................................................................................................................... 10-4
10-4 Installation the Stand ................................................................................................................................. 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 26" Main PCB Diagram .............................................................................................................................. 12-1
12-2 32", 40" Main PCB Diagram ...........................................................................................................................12-2
12-3 26" SMPS ................................................................................................................................................ 12-3
12-4 32" SMPS ................................................................................................................................................ 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 ............................................................................................................................................. 13-3
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