1. PrecautionsSamsung Electronics 1-11. Warning: Prior to repair, disconnect thepower cord from the circuit breaker.2. Use proper parts: Use only exactreplacement parts. (Also, we recommendreplacing parts rather than repairing them.)3. Use the proper tools: Use the proper toolsand test equipment, and know how to useequipment may cause problems later-intermittent contact, for example.4. Power Cord: Prior to repair, check thepower cord and replace it if necessary.5. Avoid using an extension cord, and avoidtapping into a power cord. This practicemay result in malfunction or fire.6. After completing repairs and reassembly,check the insulation resistance.Procedure: Prior to applying power, measurethe resistance between the power cord and theground terminal. The resistance must begreater than 30 megaohms.7. Make sure that the grounds are adequate.8. Make sure that the installation conditionsare satisfactory.Relocate the unit if necessary.9. Keep children away from the unit while it isbeing repaired.10. Be sure to clean the unit and its surroundingarea.Fig. 1-1 Avoid Dangerous ContactFig. 1-2 No Tapping and No Extension CordsFig. 1-3 No Kids Nearby!Fig. 1-4 Clean the Unit