Daewoo DTQ-26S1FC, DTQ-29S1FCN, DTQ-26S1HC, DTQ-29S1HC free download

File name tv_color_.pdf

Service Manual Color Television CHASSIS : CN-200I/A NTSC-M SYSTEM MODEL: DTQ-26S1FC/FS/FSP(CN-200I) DTQ-29S1FCN/FSN/FSP(CN-200I) DTQ-26S1HC/HS/HSP(CN-200A) DTQ-29S1HC/HS/HSP(CN-200A) DAEWOO ELECTRONICS CO., LTD. OVERSEAS SERVICE DEPT. FEATURES FS (Frequency Synthesizer) Tuning System CATV Ready Monitor Look Design A/V IN. (Stereo) Stereo/Mono Function ELECTRICAL SPECIFICATIONS POWER INPUT FC SERIES FS SERIES FSP SERIES POWER RATING 26" MODELS 29" MODELS INTERMEDIATE FREQUENCIES PICTURE IF CARRIER FREQUENCY SOUND IF CARRIER FREQUENCY COLOR SUB CARRIER FREQUENCY AUDIO OUTPUT RATING SPEAKER ANTENNA INPUT IMPEDANCE TUNING RANGES VHF UHF CATV AC 120V 60Hz AC 85V ~ AC 150V 60Hz AC 220V 50Hz/60Hz 100W 105W 45.75MHz 41.25MHz 42.17MHz 1.2W 2 2W 8 ohm 2 VHF/UHF 75 ohm UNBALANCED 2 THRU 13 14 THRU 69 1 THRU 125 CONTENTS Safety Precautions Control View Important Service Notes Block Diagram General Adjustments Trouble Shooting Charts Description of Semiconductors Printed Boards Exploded View Schematic Diagram Parts List Option List 3 5 7 8 10 12 20 21 23 25 27 36 2 Product safety servicing guidelines for color television receivers CAUTION : Do not attempt to modify this product in any way. Unauthorized modifications will not only void the warranty, but may lead to your being liable for any resulting property damage or user injury. Service work should be performed only after you are thoroughly familiar with all of the following safety checks and servicing guidelines. To do otherwise, increases the risk of potential hazards and injury to the user. SAFETY CHECKS After the original service problem has been corrected, a check should be made of the following: A.C. VOLTMETER Good earth ground, such as the water pipe, conduit, etc. 0.15µF · 1500 OHM 10WATT · Place this probe on each exposed metal part. GRAPHIC SYMBOLS : The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the service personnel to the presence of uninsulated dangerous voltage that may be of sufficienty magnitude to constitute a risk of electric shock. The exclamation point within an equilateral triangle is intended to alert the service personnel to the presence of important safety information in service literature. Fuse symbol is printed on pcb adjacent to the fuse, with RISK OF FIRE REPLACE FUSE AS MARKED . The symbol is explained in the service manual with the following wording or equivalent. CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE 4A, 125V FUSE and ATTENTION: AFIN D ASSU UNE PROTECTION PERMANENTE CONTRE LES RISQUES D INCENDIE, REMPLACER UNIQUEMENT PAR UN FUSIBLE DE MEME TYPE ET DE 4A, 125V . SUBJECT : FIRE & SHOCK HAZARD 1. Be sure that all components are positioned in such a way as to avoid possibility of adjacent component shorts. This is especially important on those chassis which are transported to and from the repair shop. 2. Never release a repair unless all protective devices such as insulators,