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File name KLX-PH22Z TDA93xx (N201) SM.pdf

NXP TDA9351/53/61/63 XXX SERIES SERVICE MANUAL COLOUR TELEVISION 1 . CONTENTS 1. safety precautions ...3 2. block diagram ...4 3 Replacement of memory IC ...6 4 Service adjustment ...6 5 ICs functional description ...15 6 Test point waveform...18 7 All ICs/transistors voltages...19 8 Purity / convergence adjustment...20 9 KLX-PH22Z VER3.0 circuit diagram 10 KLX-PH22Z VER3.0 PCB 11 KLX-PH22Z .BOM ...22 ... 23 ... 24 2 . SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Service should be performed by qualified personnel only. Alterations of the design or circuitry of the products should not be made. Any design alterations or additions will void the manufacturer's warranty and will further relieve the manufacturer of responsibility for personal injury or property damage resulting therefrom. Many electrical and mechanical parts in the products have special safety-related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in the parts list of Service manual. Electrical components having such features are identified by shading on the schematics and by ( ) on the parts list in Service manual. The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement part shown in the parts list of Service manual may cause shock, fire, or other hazards Don't short between the LIVE side ground and ISOLATED (NEUTRAL) side ground or EARTH side ground when repairing. Some model's power circuit is partly different in the GND. The diffe