SAMSUNG LE23R86BD, LE26R86BD, LE32R86BD, LE37R86BD, LE40R86BD free download

File name Samsung LCD LE23R86BD, LE26R86BD, LE32R86BD ch. GBP23_26_32_37_40SEN.pdf

TFT-LCD TV Chassis GBP23SEN GBP26SEN GBP32SEN GBP37SEN GBP40SEN LE23R86BD LE26R86BD LE32R86BD LE37R86BD LE40R86BD Model SERVICE TFT-LCD TV Manual Fashion Feature - Luxurious Slim Design - Supreme Picture Quality - Supreme Sound Quality - Supreme Convenience Quality - Convenience for Users - iDTV 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 to any electronic or machine readable form without prior written permission of Samsung Electronics Co., Ltd. LE23R86BD/LE26R86BD/LE32R86BD/ LE40R86BD/LE46R86BD Service Manual First edition March 2007. Printed in Korea. Trademarks Samsung is the registered trademark of Samsung Electronics Co., Ltd. LE23R86BD/LE26R86BD/LE32R86BD/ LE40R86BD/LE46R86BD Service Manual and Macmaster Cable Adapter are trademarks of Samsung Electronics Co., Ltd. Macintosh and Power Macintosh are trademarks of Apple Computer, Inc. All other trademarks are the property of their respective owners. ii Contents Contents 1 Precautions 1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1-1-1 Warnings 1. 2. For continued safety, do not attempt to modify the circuit board. Disconnect the AC power and DC Power Jack before servicing. 1-1-2 Servicing the LCD Monitor 1. 2. When servicing the LCD Monitor Disconnect the AC line cord from the AC outlet. It is essential that service technicians have an accurate voltage meter available at all times. Check the calibration of this meter periodically. 1-1-3 Fire and Shock Hazard Before returning the monitor to the user, perform the following safety checks: 1. Inspect each lead dress to make certain that the leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the monitor. Inspect all protective devices such as nonmetallic control knobs, insulating materials, cabinet backs, adjustment and compartment covers or shields, isolation resistor-capacitor networks, mechanical insulators, etc. Leakage Current Hot Check (Figure 1-1): WARNING: Do not use an isolation transformer during th Use a leakage current tester or a metering system that complies with American National Standards Institute (ANSI C101.1, Leakage Current for Appliances), and Underwriters Laboratories (UL Publication UL1410, 59.7). Figure 1-1. Leakage Current Test Circuit 1-1-4 Product Safety Notices Some electrical and mechanical parts have special safety-related characteristics which are often not evident from visual inspection. The protection they give may not be obtained by replacing them with components rated for higher voltage, wattage, etc. Parts that have special safety characteristics are identified by on schematics and parts lists. A substitute replacement that does not have the same safety characteristics as the recommended replacement