DAEWOO DTQ25S2 free download

File name DTQ25S2 Service Manual Rev1.pdf

Service Manual ( Revision - 1 ) Color Television Chassis : CN-200A Additional Model : DTQ-26S2 FC/FS/FSP DTQ-29S2 FC/FS/FSP Please file and use this Revision-1 with the CN-200I/A chassis basic service manual DAEWOO ELECTRONICS CO., LTD http : //svc.dwe.co.kr Sep. 1999 1. DTQ-26S2 11 12 10 9 7 13 1 8 EXPLODED VIEW 14 2 3 4 5 18 19 15 16 17 20 21 6 7174300811 4857024500 7174300811 4857024502 7174300811 4857026500 1 1 1 1 1 1 TT2 RND 3X8 MFZN AL EX TT2 RND 3X8 MFZN AL EX TT2 RND 3X8 MFZN AL EX C/B+FBT M/F+C/B 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 7128301212 7122401411 4855415800 7122401611 4852155200 4856013200 4856215402 4855540701 7128301211 4854944801 7128301211 4858309810 48520773200 No PART CODE UNITS m/m SCALE Designed by Checked by SCREW TAPPING HEAT SINK SCREW TAPPING HEAT SINK SCREW TAPPING HEAT SINK MAIN PCB SCREW TAPPING SCREW TAPPING SPEC PLATE SCREW TAPPING COVER BACK CRT FIX SCREW CRT T2S WAS 3*12 MFZN BK T2S TRS 4*14 MFZN 150ART P/E PILM(C/TV) T2S TRS 4*16 MFZN FR HIPS BK SWRM+SK-5 (L=25) 1 1 1 10 1 4 1 WASHER RUBBER 4 DECO SENSOR 1 SCREW TAPPING 3 BUTTON 1 SCREW TAPPING 8 2 SPEAKER MASK FRONT 1 PART NAME Inspected by Approved by CR PMMA CL T2S WAS 3*12 MFZN ABS BK T2S WAS 3*12 MFZN AS3X2 FR HIPS BK Q'ty MATERIAL REMARKS PART NAME 1/1 DEVELOPMENT DWG Daewoo Electronics CO.,LTD. Mechanical Design Team, TV Research Center MODEL REFERENCE DTQ- 26S2FC D N 48500760 2. DTQ-29S2 11 12 10 9 7 13 1 8 14 2 3 4 5 18 19 15 16 17 20 21 6 7174300811 4857024500 7174300811 4857024502 7174300811 4857026500 SCREW TAPPING HEAT SINK SCREW TAPPING HEAT SINK SCREW TAPPING HEAT SINK MAIN PCB SCREW TAPPING 1 1 1 1 1 1 TT2 RND 3X8 MFZN AL EX TT2 RND 3X8 MFZN AL EX TT2 RND 3X8 MFZN AL EX C/B+FBT M/F+C/B 7128301212 7122401411 4855415800 7122401611 4852153500 4856013200 4856215402 4855521900 7128301211 4854943701 7128301211 4858309810 4852071800 No PART CODE UNITS m/m SCALE 1/1 Designed by SCREW TAPPING SPEC PLATE SCREW TAPPING COVER BACK CRT FIX SCREW CRT WASHER RUBBER 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1 1 1 10 1 4 1 4 DECO SENSOR 1 SCREW TAPPING 3 BUTTON 1 SCREW TAPPING 8 2 SPEAKER MASK FRONT 1 PART NAME Checked by Inspected by Approved by T2S WAS 3*12 MFZN BK T2S TRS 4*14 MFZN 150ART P/E PILM(C/TV) T2S TRS 4*16 MFZN FR HIPS BK SWRM+SK-5 (L=25) CR PMMA CL T2S WAS 3*12 MFZN ABS BK T2S WAS 3*12 MFZN AS3X2 FR HIPS BK Q'ty MATERIAL REMARKS PART NAME DEVELOPMENT DWG Daewoo Electronics CO.,LTD. Mechanical Design Team, TV Research Center MODEL REFERENCE DTQ- 29S2FC D N EXPLODED VIEW 48500760

File name DTQ25S2 Service Manual.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,