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CANADA : http//biz.lgservice.com USA : http//www.lgservice.com : http//biz.lgservice.com PLASMA TV SERVICE MANUAL CHASSIS :PA-73E MODEL : 50PC5DC 50PC5DC-UC MODEL : 50PC5D 50PC5D-UC CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. Downloaded from www.Manualslib.com manuals search engine 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 Leakage Current Hot Check (See below Figure) Plug the AC cord directly into the AC outlet. An lsolation 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 voltmeter with 1000 ohms/volt or more sensitivity. It will also protect the receiver and it's components from being Reverse plug the AC cord into the AC outlet and repeat AC damaged by accidental shorts of the circuitary that may be voltage measurements for each esposed metallic part. Any inadvertently introduced during the service operation. voltage measured must not exceed 0.75 volt RMS which is