SERVICE Manual

LCD TV Fashion Feature

LCD-TVChassis GBP32MUS

GBP40MUS

Model LNT3253HLNT4053H

- Digital-TV, RF, 3-HDMI, 2-Component, 2-A/V, 2-S-Video, USB2.0(WISELINK), D-SUB

- Brightness : 500cd/- Contrast Ratio : 7000:1- Response time : 8ms- Dynamic contrast- PIP( in HDMI1.2.3, Component1.2, PC Mode

and Sub picture is available only in TV anolog mode.)

ii

Copyright

2007 by Samsung Electronics Co., Ltd.

All rights reserved.

This manual may not, in whole or in part, be copied,photocopied, reproduced, translated, or converted toany electronic or machine readable form without priorwritten permission of Samsung Electronics Co., Ltd.

LNT3253H/LNT4053H Service Manual

First edition March 2007.

Printed in Korea.

Trademarks

Samsung is the registered trademark of SamsungElectronics Co., Ltd.

LNT3253H/LNT4053H and MacMaster Cable Adapterare trademarks of Samsung Electronics Co., Ltd.

Macintosh, Power Macintosh are trademarks of AppleComputer, Inc.

All other trademarks are the property of their respectiveowners.

11 Precautions1-11-1 Safety Precautions 1-11-2 Servicing Precautions 1-21-3 Electrostatically Sensitive Devices (ESD) Precautions 1-21-4 Installation Precautions 1-3

22 Product specifications 2-12-1 Fashion Feature 2-12-2 Specifications 2-22-3 Option Specification 2-5

33 Alignments and Adjustments 3-13-1 General Alignment Instuction 3-13-2 Factory Mode Adjustments 3-23-3 White Balance - Calibration 3-93-4 White Ratio (Balance) Adjustment 3-103-5 Servicing Information 3-11

44 Troubleshooting 4-1

55 Exploded View and Parts List 5-15-1 LNT3253H Exploded View 5-15-2 LNT3253H Parts list 5-25-3 LNT4053H Exploded View 5-35-4 LNT4053H Parts list 5-4

66 Electrical Parts List 6-16-1 LNT3253H Parts List 6-16-2 LNT4053HX Parts List 6-26

77 Block Diagram 7-1

88 Wiring Diagram 8-18-1 Wiring Diagram 8-1

Contents

99 Schematic Diagrams 9-1

110 Operating Instructions and Installation 10-110-1 Front 10-110-2 Connection Panel 10-210-3 Remote Control 10-4

111 Disassembly and Reassembly 11-111-1 Disassembly 11-111-2 Reassembly 11-6

112 Schematic Diagram12-112-1 Main PCB Diagram 12-1

113 Circuit Descriptions 13-113-1 Block description 13-1

114 Reference Infomation 14-114-1 Technical Terms 14-114-2 Pin Assignments 14-414-3 Timing Chart 14-614-4 Panel Description 14-10

Contents

Samsung Electronics Co.,Ltd.416, Maetan-3Dong, Yeongtong-Gu, Suwon City,Gyeonggi-Do, Korea, 443-742Printed in KoreaP/N : BN82-00185A-00URL : http://itself.sec.samsung.co.kr/

- This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.