Daewoo DTQ 26S1FC User manual

DAEWOO ELECTRONICS CO., LTD.
OVERSEAS SERVICE DEPT.
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)

FS (Frequency Synthesizer) Tuning System
CATV Ready
Monitor Look Design
A/V IN. (Stereo)
Stereo/Mono Function
2
CONTENTS
Safety Precautions 3
Control View 5
Important Service Notes 7
Block Diagram 8
General Adjustments 10
Trouble Shooting Charts 12
Description of Semiconductors 20
Printed Boards 21
Exploded View 23
Schematic Diagram 25
Parts List 27
Option List 36
POWER INPUT
FC SERIES AC 120V 60Hz
FS SERIES AC 85V ~ AC 150V 60Hz
FSP SERIES AC 220V 50Hz/60Hz
POWER RATING
26” MODELS 100W
29” MODELS 105W
INTERMEDIATE FREQUENCIES
PICTURE IF CARRIER FREQUENCY 45.75MHz
SOUND IF CARRIER FREQUENCY 41.25MHz
COLOR SUB CARRIER FREQUENCY 42.17MHz
AUDIO OUTPUT RATING 1.2W 2
SPEAKER 2W 8 ohm 2
ANTENNA INPUT IMPEDANCE VHF/UHF 75 ohm UNBALANCED
TUNING RANGES
VHF 2 THRU 13
UHF 14 THRU 69
CATV 1 THRU 125
ELECTRICAL SPECIFICATIONS
FEATURES

5
CONTROL VIEW
F-CONNECTOR
300 OHM-75 OHM
COUPLING
TRANSFORMER
VHF
75Ω
FROM 75 OHM
VHF ANTENNA WITH
CABLE OR CABLE
TV SYSTEM

6
1. Overview of Your Equipment
Your TV comes with a remote control. The section below summarizes the buttons,controls, and terminals
that you will use with your TV.
2. Your TV' s Front Panel
1. POWER
Use this buttom to turn your TV on or off.
2. CH
Use these buttom to change channels on your TV, or to select items in the menu system.
3. VOL
Use these buttom to change your TV s volume, to activate selections in the menu system, or to
change audio and video settings.
4. MENU
Use this buttom to turn the TV s menu system on and off.
5. Remote control receiver
This receiver receives a signal from your remote control. Do not block it.
3. Your TV' s Back Panel
1. Antenna terminal
Use this terminal to attach an antenna or cable
system to your TV.
2. VIDEO IN
This terminal allows the TV to receive a video
signal from another components, such as a VCR.
3. AUDIO R/MONO IN
This terminal allows the TV to receive an audio
R/MONO signal from another components, such as
a VCR.
4. AUDIO L IN
This terminal allows the TV to receive an audio L
signal from another components, such as a VCR.
124 3

8
BLOCK DIAGRAM (CN-200I)