42LG50FD Datasheet | LG Electronics

Internal Use Only website:http://biz.LGservice. LCD TV SERVICE MANUAL CHASSIS : LB81A MODEL : 42LG50FD 42LG50FD-AD CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CONTENTS CONTENTS .............................................................................................. 2 PRODUCT SAFETY ..................................................................................3 SPECIFICATION ........................................................................................6 ADJUSTMENT INSTRUCTION .................................................................9 TROUBLE SHOOTING ............................................................................15 BLOCK DIAGRAM...................................................................................19 EXPLODED VIEW .................................................................................. 21 SVC. SHEET ............................................................................................... Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes -2- LGE Internal Use Only 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 ponents as remended in this manual to prevent Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line. Use a transformer of adequate power rating as...