. Various china uoc iii otm595 685 805 tda9361 la78045 ka5q1265 tv sm 537 free download

File name china_uoc_iii__otm595__685__805__tda9361__la78045__ka5q1265__tv_sm_537.pdf

UOC TDA93XX SERIES SERVICE MANUAL SERVICE MANUAL COLOUR TELEVISION OTM595(CU-2590) OTM685(CU-2990) OTM805(CU-3490) . CONTENTS 1. safety precautions...3 2. block diagram and PHILIPS UOC functional difference between the various IC versions ...4 3 Replacement of memory IC...7 4 Service adjustment...7 5 ICs functional description...11 6 Test point waveform...15 7 All ICs/transistors voltages...16 8 Purity / convergence adjustment...17 9. Circuit diagram...19 10. Material list...21 11. Specifications... ...55 2 . SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many 9. manufacturer's replacement components. circuits and components specially for safety purposes. For 10. Isolation Check continued protection, no changes should be made to the (Safety for Electrical Shock Hazard) original design unless authorized in writing by the After re-assembling the product, always perform an isolation manufacturer. Replacement parts must be identical to those check on the exposed metal parts of the cabinet (antenna used in the original circuits. Service should be performed by terminals, video/audio input and output terminals, Control qualified personnel only. knobs, metal cabinet, screwheads, earphone jack, control shafts, etc.) to be sure the product is safe to operate without 2. Alterations of the design or circuitry of the products should danger of electrical shock. not be made. Any design alterations or additions will void 11. The surface of the TV screen is coated w