Samsung samsung gml32ks chassis la32m51b lcd tv sm 657 free download

File name samsung_gml32ks_chassis_la32m51b_lcd_tv_sm_657.pdf

TFT-LCD TV Chassis Model GML32KS LA32M51B GML40KS LA40M51B GML46KS LA46M51B SERVICE Manual TFT-LCD TV Fashion Feature - Luxurious Slim Design - Supreme Picture Quality - Supreme Sound Quality - Supreme Convenience Quality - Convenience for Users 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 : BN82-00128S-00 and/or domestic law. URL : http://itself.sec.samsung.co.kr/ 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. For continued safety, do not attempt to modify the circuit board. 2. Disconnect the AC power and DC Power Jack before servicing. 1-1-2 Servicing the LCD Monitor 1. When servicing the LCD Monitor Disconnect the AC line cord from the AC outlet. 2. 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 Figure 1-1. Leakage Current Test Circuit following safety checks: 1. Inspect each lead dress to make certain that the leads 4. With the unit completely reassembled, plug the AC are not pinched or that hardware is not lodged between line cord directly into a 120V AC outlet. With the the chassis and other metal parts in the monitor. unit's AC switch first in the ON position and then 2. Inspect all protective devices such as nonmetallic OFF, measure the current between a known earth control knobs, insulating materials, cabinet backs, ground (metal water pipe, conduit, etc.) and all adjustment and compartment covers or shields, exposed metal parts, including: metal cabinets, isolation resistor-capacitor networks, mechanical screwheads and control shafts. The current measured insulators, etc. should not exceed 0.5 milliamp. Reverse the power- 3. Leakage Current Hot Check (Figure 1-1): plug prongs in the AC outlet and repeat the tes