Table of Contents
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Table of Contents
Related Manuals for Daewoo DTA-21 T5
Summarization of Contents
Service Manual
Model and Chassis List
Lists TV models and their corresponding chassis types for service.
Safety Instruction
General Safety Precautions
General safety measures to be followed during servicing and operation.
X-RAY RADIATION PRECAUTION
Warning about potential X-ray radiation hazards and precautions.
Alignment Instructions
TV Set Alignment Procedures
Procedures for aligning TV set parameters like G2, white balance, and focus.
Service Mode Configuration
Procedure to enter and exit service mode for microcontroller configuration.
IC Description
TDA936x TV Signal Processor
Detailed description of the TDA936x IC, its features, and functions.
MSP3415D Sound Processor Features
Features and basic capabilities of the MSP3415D sound processor.
TDA894xJ Stereo Audio Amplifier
Description of the TDA894xJ stereo audio amplifier, its features, and pin description.
TDA835xJ Vertical Amplifier
Description of the TDA835xJ vertical amplifier and its application.
1-1 Specifications
TV Standard and Sound System
Specifies supported TV broadcast standards and sound system capabilities.
Screen Sizes and Terminals
Lists available screen sizes and details auxiliary terminals like SCART.
1-2 Channel Table
Frequency Table CP385/CP785
Table listing frequencies for various channels across different regions.
1-3 ATSS Sorting Method
ATSS Sorting Process and Groups
Explains ATSS program sorting by codes and signal strength into four groups.
ATSS Special Cases (France, GB)
Describes ATSS sorting procedures for specific country selections.
2 - Safety Instruction
SAFETY PRECAUTIONS
General safety precautions for handling high voltage and internal components.
PRODUCT SAFETY NOTICE
Notice on safety-related characteristics of parts and replacement.
3 - Alignment Instructions
White Balance Adjustment
Procedure for adjusting white balance using dark and bright picture settings.
Focus Adjustment
Instructions for adjusting the focus control for optimal screen resolution.
4 - IC Description
TDA6107Q Video Amplifier
Description of the TDA6107Q video output amplifier, its features, and pin description.
24C08 EEPROM Features & Pins
Features and pin description for the 24C08 serial EEPROM.
STR-F6653 SMPS IC Description
General description of the STR-F6653 hybrid IC for power supply applications.
STR-F6653 Pin Description & Characteristics
Details STR-F6653 pins, their names, symbols, descriptions, and electrical characteristics.
5 - Circuit Description
System Block Diagram
Overall block diagram of the TV's signal processing and audio path.
Video Processor IF Amplifier
Description of the Video Processor's Vision IF amplifier and its functions.
Chroma/Luminance & Colour Decoder
Description of chroma, luminance processing, and colour decoder functions.
RGB Output & Black-Current Stabilization
Description of RGB output and black-current stabilization for picture tube biasing.
5-2 IF
IF PLL Demodulator & SAW Filters
Description of the IF PLL demodulator and SAW filters for signal processing.
5-3 Source Switching
Video & Sound Source Switching
How the TV switches between external video and sound sources.
µ-Controller I/O Pin Configuration
Overview of µ-Controller I/O pin configurations (Open drain, Push-Pull).
5-3 Source Switching (Continued)
Sound Processing Details
Details analogue sound IF input, mixers, and phase/AM discrimination.
5-6 Sound Amplification
TDA8944J Amplifier Features & Modes
Features and mode selection (Mute, Operating) for the TDA8944J amplifier.
5-7 Vertical deflection
Vertical Driver, Flyback & Protection
Describes vertical driver, flyback voltage, and output stage protection circuits.
5-8 Power Supply (STR-F6653)
STR-F6653 Operation & Start-up
General description and start-up circuit operation of the STR-F6653 IC.
STR-F6653 Protection Circuits
Details of the protection circuits: OCP, latch, TSD, and OVP.
5-9 TV Start-up Operations
Start-up Schematic & Initialization
Schematic diagram and step-by-step description of TV start-up.
Reset Pulse Circuit
Schematic diagram and waveforms for the reset pulse circuit.
5-9 TV Normal Run & Stand-by Mode Operations
Normal Run Mode Effects
Explanation of how pin 63 (power) controls normal run mode.
Normal Run Power Supply Diagram
Circuit diagram showing power supply operation during normal TV run.
Normal Run Power Supply IC Delivery
Table showing power supply lines and ICs during normal run.
Stand-by Power Supply Diagram
Circuit diagram illustrating power supply operation during stand-by mode.
5-9 TV Normal Run & Stand-by Mode Operations (Continued)
Stand-by Mode Operations Details
Explanation of stand-by mode operations, including pin 63 and rectifier.
6. Service Parts List
DTA-21Y1L (CP-385) Parts List
List of service parts for the DTA-21Y1L (CP-385) model.
6. Service Parts List (Continued)
DTE-28G2F (CP-785) Parts List
List of service parts for the DTE-28G2F (CP-785) model.
CRT Parts List
CP-385 CRT Parts
Parts list for CRT components for CP-385 models.
CP-785 CRT Parts
Parts list for CRT components for CP-785 models.
7. Exploded View
DTA-20T1 Exploded View
Exploded view and parts list for the DTA-20T1 model.
DTA-20T2 Exploded View
Exploded view and parts list for the DTA-20T2 model.
DTA-20T3 Exploded View
Exploded view and parts list for the DTA-20T3 model.
DTA-20T8 Exploded View
Exploded view and parts list for the DTA-20T8 model.
7. Exploded View (Continued)
DTA-21T1 Exploded View
Exploded view and parts list for the DTA-21T1 model.
DTA-21T2 Exploded View
Exploded view and parts list for the DTA-21T2 model.
DTA-21T5 Exploded View
Exploded view and parts list for the DTA-21T5 model.
DTA-21T9 Exploded View
Exploded view and parts list for the DTA-21T9 model.
7. Exploded View (Continued)
DTA-21Y1 Exploded View
Exploded view and parts list for the DTA-21Y1 model.
7. Exploded View (Continued)
DTE-25G6 Exploded View
Exploded view and parts list for the DTE-25G6 model.
7. Exploded View (Continued)
DTE-25G7 Exploded View
Exploded view and parts list for the DTE-25G7 model.
7. Exploded View (Continued)
DTE-28G2 Exploded View
Exploded view and parts list for the DTE-28G2 model.
7. Exploded View (Continued)
DTE-28G6 Exploded View
Exploded view and parts list for the DTE-28G6 model.
7. Exploded View (Continued)
DTE-28G7 Exploded View
Exploded view and parts list for the DTE-28G7 model.
7. Exploded View (Continued)
DTE-2896 Exploded View
Exploded view and parts list for the DTE-2896 model.
7. Exploded View (Continued)
DTE-28A7 Exploded View
Exploded view and parts list for the DTE-28A7 model.
7. Exploded View (Continued)
DTE-28A6 Exploded View
Exploded view and parts list for the DTE-28A6 model.
7. Exploded View (Continued)
DTE-28A7 Exploded View
Exploded view and parts list for the DTE-28A7 model.
7. Exploded View (Continued)
DTE-28G8 Exploded View
Exploded view and parts list for the DTE-28G8 model.
7. Exploded View (Continued)
DTE-28B1 Exploded View
Exploded view and parts list for the DTE-28B1 model.
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