LG液晶电视维修手册（CHASSIS__LP78A）.pdf

website:http://biz.LG LCD TV SERVICE MANUAL CHASSIS : LP78A MODEL : 32LC41/4R 32LC41/4R-ZA MODEL : 32LC42 32LC42-ZC MODEL : 32LC43 32LC43-ZA/ZE MODEL : 32LC44 32LC43-ZB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. R CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 TROUBLE SHOOTING 17 BLOCK DIAGRAM25 EXPLODED VIEW 26 EXPLODED VIEW PARTS LIST27 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 Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. General Guidance Leakage Current Hot Check (See below Figure) Plug the AC cord directly into the AC outlet. An isolation Transformer should always be used during the servicing of a receiver whose chassis is not