Table of Contents
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Table of Contents
Related Manuals for Daewoo DTA-21 T9
Summarization of Contents
Main Features
1-1 Specifications
Detailed technical specifications for TV standards, sound, power, and inputs.
1-2 Channel table
Frequency table for various TV channels across different regions.
1-3 ATSS sorting method
Explanation of Automatic TV Sorting system for program selection and grouping.
Safety Instructions
X-Ray Radiation Precautions
Warnings and procedures to prevent hazardous X-Ray exposure during servicing.
Safety Precautions
General safety guidelines for handling high voltage and equipment.
Product Safety Notice
Information on safety-related characteristics of replacement parts and X-ray protection.
Alignment Instructions
3-1 Microcontroller Configuration: Service Mode
Procedure to enter and operate the TV's service mode for adjustments.
3-2 Microcontroller Configuration: Option
Details on microcontroller options, including tuner maker selection.
3-3 TV Set Alignment
Step-by-step guide for aligning TV picture geometry, white balance, and focus.
IC Description
4-1 TDA936x TV Signal Processor
Description of the TV signal processor IC's features and functions.
4-2 MSP3415D Multistandard Sound Processor
Details on the sound processor IC, its features, and application fields.
4-3 TDA894xJ Stereo Audio Amplifier
Information on the stereo audio amplifier IC, its features, and protection mechanisms.
4-4 TDA835xJ Vertical Amplifier
Description of the vertical amplifier IC, its features, and applications.
4-5 TDA6107Q
Details of the video output amplifier IC for CRT drive.
4-6 24C08 8 Kbit EEPROM
Description of the serial EEPROM memory IC and its features.
4-7 STR-F6653
Description of the SMPS controller IC, its features, and protection circuits.
Circuit Description
5-1 Block Diagram
Overall block diagram of the TV's main functional modules.
5-2 IF
Description of the Intermediate Frequency (IF) section, including SAW filters.
5-3 Source Switching
Explanation of how external video sources are selected and switched.
5-4 µ-Controller I/O Pin Configuration
Details on the microcontroller's I/O pin configurations and functions.
5-5 Sound Processing
Description of the TV's audio signal processing stages.
5-6 Sound Amplification
Description of the audio amplifier stages and their operational modes.
5-7 Vertical Deflection
Description of the vertical deflection circuit, including flyback voltage and protection.
5-8 Power Supply (STR-F6653)
Description of the switch-mode power supply operation and start-up.
5-9 TV Start-up Operations
Explanation of the TV's start-up sequence and microcontroller initialization.
Service Parts List
6-1 DTA-21Y1L (CP-385)
List of service parts for the DTA-21Y1L model.
6-2 DTE-28G2F (CP-785)
List of service parts for the DTE-28G2F model.
Exploded View
7-1. DTA-20T1
Exploded view of the DTA-20T1 model for parts identification.
7-2. DTA-20T2
Exploded view of the DTA-20T2 model for parts identification.
7-3. DTA-20T3
Exploded view of the DTA-20T3 model for parts identification.
7-4. DTA-20T8
Exploded view of the DTA-20T8 model for parts identification.
7-5. DTA-21T1
Exploded view of the DTA-21T1 model for parts identification.
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