Parts/Service for PDP-434PU

SAFETY INFORMATION: This service manual is intended for qualified service technicians. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. WARNING: This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. SAFETY PRECAUTIONS: - Comply with all cautions and safety related notes located on or inside the cabinet and on the chassis. - Use an isolation transformer between the power line and the set before any service is performed. - When replacing a chassis, all protective devices must be put back in place. - Observe the original lead dress, especially in high voltage circuitry areas. - Always use manufacturer's replacement components. - Thoroughly test the unit before returning to the customer to ensure safety. - Perform precautions against unwanted radiation and rise in internal temperature. - Handle the FPC connected to the panel carefully. - Pay attention to infrared ray radiation and potential disturbance to TVs and radios. Leakage Current Checks: - Cold Check: Measure resistance across exposed metal parts to chassis. - Hot Check: Measure current from exposed metal parts to earth ground. PRODUCT SAFETY NOTICE: Special safety related characteristics of electrical and mechanical parts are identified in this Service Manual. Use of substitute replacement components without these characteristics may create shock, fire, or other hazards. Important symbols for good services: - ! Product safety: Conform to regulations and follow safety instructions. - Adjustments: Perform to keep original performance. - Cleaning: Perform for optical parts to restore performance. - Shipping mode and shipping screws: Set or install as necessary to prevent transit damage. - Lubricants, glues, and replacement parts: Use as prescribed in the manual.