Table of Contents
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Table of Contents
Related Manuals for Daewoo DTA-21 T1
Summarization of Contents
Main Features
1-1 Specifications
Detailed technical specifications for the TV set, including standards and power.
1-2 Channel Table
Frequency table for various TV channels across different regions.
1-3 ATSS Sorting Method
Explanation of the Automatic Tuning and Sorting system for TV channels.
Alignment Instructions
3-1 Microcontroller Configuration: Service Mode
Steps to enter service mode for microcontroller configuration.
3-2 Microcontroller Configuration: Option
Options for configuring the microcontroller, including tuner maker.
3-3 TV Set Alignment
Procedures for aligning the TV set, including G2, white balance, and focus.
3-3-4 Vertical Geometry
Adjusting vertical amplitude, shift, S-correction, and slope for distortion compensation.
3-3-5 Horizontal Picture Centering
Adjusting horizontal shift to center the picture on the screen.
3-3-6 East / West Correction (Chassis CP785 only)
Controls for geometrical distortion correction like H Parall, H Bow, H Width.
3-3-7 AGC
Procedure for adjusting antenna signal level for AGC control.
IC Description
4-1 TDA936x TV Signal Processor
Features and functions of the TDA936x TV signal processor and teletext decoder.
TV-Signal Processor
Features of the TV signal processing part of the TDA936x IC.
µ-Controller
Features of the microcontroller core within the TDA936x IC.
Data Capture
How the TDA936x captures and processes data like teletext and WST.
Display
Features related to teletext and OSD display capabilities.
Data Capture Features
Specific features of the data capture function within the TDA936x.
IC Version
Comparison of TDA9365 and TDA9367 IC versions and their capabilities.
IC Marking and Version
Information on IC markings, OSD languages, and ATSS countries for different chassis.
Pinning
Detailed pin descriptions for the TDA936x (or related IC).
4-2 MSP3415D Multistandard Sound Processor
Features and capabilities of the MSP3415D sound processor IC.
MSP3415D Features
Key features of the MSP3415D sound processor.
Basic Features of the MSP3415D
Core functionalities of the MSP3415D.
Demodulator and NICAM Decoder Section
How the MSP3415D handles demodulation and NICAM decoding.
Application Fields of the MSP 3415D
Application areas and standards supported by the MSP3415D.
NICAM plus FM/AM-Mono
Details on NICAM, FM, and AM mono sound transmission.
German 2-Carrier System (DUAL FM System)
Explanation of the German 2-carrier system for stereo and dual sound.
Pin Connections and Short Description
Detailed pinout and descriptions for the MSP3415D IC.
4-3 TDA894xJ Stereo Audio Amplifier
Features of the TDA894xJ stereo audio amplifier IC.
Features
Key features of the TDA894xJ audio amplifier.
Pin Description
Detailed pin descriptions for the TDA894xJ IC.
4-4 TDA835xJ Vertical Amplifier
Details of the TDA835xJ vertical amplifier for CRT deflection.
4-4-1 TDA8357J
Features of the TDA8357J vertical amplifier IC.
Features
Key features of the TDA8357J vertical amplifier.
4-4-1 TDA8358J
Features of the TDA8358J vertical amplifier IC, including East-West stage.
Features
Key features of the TDA8358J vertical amplifier.
4-5 TDA6107Q
Details of the TDA6107Q video output amplifier IC.
Features
Key features of the TDA6107Q video amplifier.
Pin Description
Detailed pin descriptions for the TDA6107Q IC.
4-6 24C08 8 Kbit EEPROM
Features and pin description of the 24C08 EEPROM.
Features
Key features of the 24C08 EEPROM.
Pin Description
Detailed pin descriptions for the 24C08 EEPROM.
4-7 STR-F6653
General description and features of the STR-F6653 power supply IC.
4-7-1 General Description
Overview of the STR-F6653 hybrid IC for SMPS applications.
4-7-2 Features
Key features and protection functions of the STR-F6653.
4-7-3 Block Diagram
Block diagram illustrating the operation of the STR-F6653.
4-7-4 Pins Description
Detailed pin descriptions for the STR-F6653 IC.
4-7-5 Control Part Electrical Characteristics
Electrical characteristics for the control part of the STR-F6653.
4-7-6 MOSFET Electrical Characteristics
Electrical characteristics for the MOSFET part of the STR-F6653.
Circuit Description
5-1 Block Diagram
Overall block diagram of the TV's circuit.
Functional Description of Video Processor Vision IF Amplifier
Functional description of the vision IF amplifier within the video processor.
QSS Sound Circuit
Description of the QSS sound circuit.
Video Switches
Explanation of the video switching circuits.
Synchronisation Circuit
Description of the horizontal and vertical synchronization circuits.
Chroma and Luminance Processing
Processing of chroma and luminance signals.
Colour Decoder
How the IC decodes PAL, NTSC, and SECAM signals.
Software Control
How the CPU controls peripherals via SFRs and I2C bus.
RGB Output Circuit and Black-Current Stabilisation
RGB output and black-current stabilization system.
5-2 IF
Details on the IF (Intermediate Frequency) section.
SAW Filters
Information about SAW filters used in the IF section.
5-3 Source Switching
How the TV switches between different video sources.
5-4 µ-Controller I/O Pin Configuration and Function
Configuration and function of the microcontroller's I/O pins.
5-5 Sound Processing
Details on sound processing, including analogue IF and mixers.
DSP Section
Digital Signal Processing for audio baseband functions.
Sound Mode Switching
How the sound mode is switched based on signal quality or user selection.
5-6 Sound Amplification
Description of the TDA8944J/TDA8946J stereo audio amplifier.
Power Amplifier
Details of the power amplifier stage.
Mode Selection
How to select different modes for the amplifier.
5-7 Vertical Deflection
Description of the vertical deflection circuit.
Flyback Voltage
Explanation of flyback voltage and class G operation.
Protection
Protection circuits for the output stage.
EAST-WEST Amplifier (TDA8358J only)
Details on the East-West amplifier.
Power Supply (STR-F6653)
5-8-1 STR-F6653 General Description
General description of the STR-F6653 power supply IC.
5-8-2 Power Supply Primary Part Operations
Operations of the primary part of the power supply circuit.
* Start-up Circuit: VIN
Description of the start-up circuit and VIN pin.
* STR-F6653 Oscillating Operation
Explanation of the oscillating operation of the STR-F6653.
* STR-F6653 Protection Circuits
Details on the protection circuits (OCP, OVP, TSD, latch) of the STR-F6653.
TV Start-up, TV Normal Run and Stand-by Mode Operations
5-9-1 TV Start-up Operations
Description of the TV start-up sequence and microcontroller initialization.
5-9-2 TV Normal Run and Stand-by Mode Operations
Operations during normal run and stand-by modes.
a) TV on Normal Run Mode
Specifics of the TV operation in normal run mode.
* Power Supply Circuit Diagram During TV Set Normal Run
Circuit diagram for power supply during normal run.
* Power Supply Functioning During TV Set Normal Run Mode
Functioning of the power supply during normal run mode.
* Power Supply IC Delivery During TV Set Normal Run
Power supply IC delivery details for normal run.
b) TV Set on Stand-by Mode
Specifics of the TV operation in stand-by mode.
* TV Set Stand-by Mode Operations
Details on TV operation during stand-by mode.
Service Parts List
6-1 DTA-21Y1L (CP-385)
Service parts list for the DTA-21Y1L model.
6-2 DTE-28G2F(CP-785)
Service parts list for the DTE-28G2F model.
The Different Parts For CRT (CP-385)
Specific CRT parts for the CP-385 model.
The Different Parts For CRT (CP-785: 25", 28")
Specific CRT parts for CP-785 models.
Exploded View
7-1. DTA-20T1
Exploded view and parts list for the DTA-20T1 model.
7-2. DTA-20T2
Exploded view and parts list for the DTA-20T2 model.
7-3. DTA-20T3
Exploded view and parts list for the DTA-20T3 model.
7-4. DTA-20T8
Exploded view and parts list for the DTA-20T8 model.
7-5. DTA-21T1
Exploded view and parts list for the DTA-21T1 model.
7-6. DTA-21T2
Exploded view and parts list for the DTA-21T2 model.
7-7. DTA-21T5
Exploded view and parts list for the DTA-21T5 model.
7-8. DTA-21T9
Exploded view and parts list for the DTA-21T9 model.
7-9. DTA-21Y1
Exploded view and parts list for the DTA-21Y1 model.
7-10. DTE-25G6
Exploded view and parts list for the DTE-25G6 model.
7-11. DTE-25G7
Exploded view and parts list for the DTE-25G7 model.
7-12. DTE-28G2
Exploded view and parts list for the DTE-28G2 model.
7-13. DTE-28G6
Exploded view and parts list for the DTE-28G6 model.
7-14. DTE-28G7
Exploded view and parts list for the DTE-28G7 model.
7-15. DTE-2896
Exploded view and parts list for the DTE-2896 model.
7-16. DTE-28A6
Exploded view and parts list for the DTE-28A6 model.
7-17. DTE-28A7
Exploded view and parts list for the DTE-28A7 model.
7-18. DTE-28A7
Exploded view and parts list for the DTE-28A7 model.
7-19. DTE-28G8
Exploded view and parts list for the DTE-28G8 model.
7-20. DTE-28B1
Exploded view and parts list for the DTE-28B1 model.
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