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website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html PLASMA TV SERVICE MANUAL CHASSIS : PD61A MODEL : 42PC1DA 42PC1DA-EC CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CONTENTS SAFETY PRECAUTIONS ...3 DESCRIPTION OF CONTROLS ...4 SPECIFICATIONS ...10 ADJUSTMENT INSTRUCTIONS ...12 TROUBLE SHOOTING GUIDE ...17 PRINTED CIRCUIT DIAGRAM ...22 BLOCK DIAGRAM ...26 EXPLODED VIEW ...28 EXPLODED VIEW PARTS LIST ...29 REPLACEMENT PARTS LIST...30 SCHEMATIC DIAGRAM... SAFETY PRECAUTIONS I M P O RTANT 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 Leakage Current Hot Check (See below Figure) Plug the AC cord directly into the AC outlet. An isolation Transformer should always be used during Do not use a line Isolation Transformer during this check. the servicing of a receiver whose chassis is not isolated from Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitor the AC power line. Use a transformer of adequate power rating between a known good earth ground (Water Pipe, Conduit, etc.) as this protects the technician from accidents resulting in and the exposed metallic parts. personal injury from electrical shocks. Measure the AC voltage across the resistor using AC voltmet