LG lg lp62a chassis 37lc2ra lcd tv sm 179 free download

File name lg_lp62a_chassis_37lc2ra_lcd_tv_sm_179.pdf

website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD TV SERVICE MANUAL CHASSIS : LP62A FACTORY MODEL : 37LC2RA-ZH / 42LC2RA-ZH MODEL : 37LC2RA / 42LC2RA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. R CONTENTS CONTENTS ... 2 SAFETY PRECAUTIONS ...3 SPECIFICATION ...6 ADJUSTMENT INSTRUCTION...11 TROUBLE SHOOTING ...16 BLOCK DIAGRAM...23 EXPLODED VIEW ... 24 REPLACEMENT PARTS LIST ... 28 SVC. SHEET ... -2- SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. General Guidance Before returning the receiver to the customer, An isolation Transformer should always be used during the always perform an AC leakage current check on the exposed servicing of a receiver whose chassis is not isolated from the AC metallic parts of the cabinet, such as antennas, terminals, etc., to power line. Use a transformer of adequate power rating as this be sure the set is safe to operate without damage of electrical protects the technician from accidents resulting in personal injury shock. from electrical shocks. Leakage Current Cold Check(Antenna Cold Check) It will also protect the receiver and it's components from being With the instrument AC plug removed from AC source, connect an damaged by accidental shorts of the circuitry that may be electrical jumper across the two AC plug prongs. Place the AC inadvertently introduced during the service operation. switch in the on po