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File name Elite 34ES69.pdf

UOC TDA9361/81 SERIES SERVICE MANUAL COLOUR TELEVISION . CONTENTS 1. safety precautions...3 2. block diagram and PHILIPS UOC functional difference between the various IC versions ...4 3Ј® Replacement of memory IC...7 4Ј® Service adjustment...7 5Ј® ICs functional description...11 6Ј® Test point waveform...15 7Ј® All ICs/transistors voltages...16 8Ј® Purity / convergence adjustment...17 2 . SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many 10. Isolation Check circuits and components specially for safety purposes. For (Safety for Electrical Shock Hazard) continued protection, no changes should be made to the After re-assembling the product, always perform an isolation original design unless authorized in writing by the check on the exposed metal parts of the cabinet (antenna manufacturer. Replacement parts must be identical to those terminals, video/audio input and output terminals, Control used in the original circuits. Service should be performed by knobs, metal cabinet, screwheads, earphone jack, control qualified personnel only. shafts, etc.) to be sure the product is safe to operate without danger of electrical shock. 2. Alterations of the design or circuitry of the products should 11. The surface of the TV screen is coated with a thin film which not be made. Any design alterations or additions will void can easily be damaged. Be very careful with it when handle the manufacturer's warranty and will further relieve the the TV. Should the TV screen become soiled, wipe it with a manufacturer of responsibility for personal injury or property soft dry cloth. Never rub it forcefully. Never use any cleaner damage resulting therefrom. or detergent on it. 3. Many electrical and mechanical parts