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General| Screen Size | 21 inches |
|---|---|
| Display Type | CRT |
| Aspect Ratio | 4:3 |
| Tuner | Analog |
| Inputs | RF, Composite |
Records the initial creation and version of the service manual.
Technical details and specifications for the TV models.
General technical specifications including TV standard, sound system, and power consumption.
Pin description and matching values for the EURO-SCART 1 connector.
Pin description and matching values for the EURO-SCART 2 connector.
Table listing channel numbers and corresponding frequencies for various regions.
Warnings and precautions regarding potential X-RAY radiation hazards.
General safety precautions for servicing high-voltage equipment.
Information on special safety-related characteristics of components.
Procedure to enter the TV's service mode for adjustments.
Explains how to navigate through service mode menus and controls.
Details on configuring option bits via service mode for specific features.
Configuration settings for Option 1 bits affecting TV features.
Configuration settings for Option 2 bits affecting TV features.
Table showing option bit settings specific to different chassis and models.
Procedure for editing NVM data in factory and NVM editor modes.
List of NVM registers, addresses, default values, and model-specific changes.
Procedures for aligning various TV picture parameters.
Steps for adjusting the G2 or screen brightness level.
Procedure for adjusting color temperature using bias and gain controls.
Instructions for adjusting the focus control for best picture resolution.
Adjustments for vertical linearity, slope, size, and centering.
Procedure for centering the picture horizontally on the screen.
Adjustments for geometrical distortion like parabola, width, and trapezium.
Steps for setting the Automatic Gain Control for optimal signal reception.
Description of the UOC series Video Signal Processor and its features.
Table detailing IC markings, OSD languages, and supported ATSS countries.
Block diagram illustrating the main components of the TV processor.
Detailed pin descriptions for the QFP 128-pin IC.
Features of the analogue video processing and sound circuits.
Description of the TDA8946J stereo audio amplifier IC.
Key features of the TDA8946J audio amplifier.
Pin assignments and descriptions for the TDA8946J IC.
Description of the TDA8358J vertical deflection amplifier IC.
Features of the TDA8358J vertical amplifier IC.
Pin assignments for the TDA8358J IC.
Block diagram illustrating the TDA8358J vertical amplifier circuit.
Description of the TDA6107AJF video output amplifier IC.
Features of the TDA6107AJF video amplifier IC.
Pin assignments and descriptions for the TDA6107AJF IC.
Block diagram of the TDA6107AJF video amplifier.
Description of the 24WC16 serial I2C bus EEPROM memory.
Key features of the 24WC16 EEPROM.
Pin assignments for the 24WC16 EEPROM.
Description of the STR-F6653 hybrid IC for flyback converters.
Overview of the STR-F6653 IC's purpose and design.
Features and protection functions of the STR-F6653 IC.
Block diagram of the STR-F6653 flyback converter IC.
Pin assignments for the STR-F6653 IC.
Electrical characteristics for the control part of the STR-F6653.
Electrical characteristics for the MOSFET component of the STR-F6653.
Overall block diagram of the TV's main circuits.
Detailed functional description of the video processing section.
Functionality of the vision IF amplifier and its demodulator.
Description of the Quasi Split Sound circuit for audio processing.
Explanation of the FM demodulator circuit and its operation.
How audio inputs are selected and volume is controlled.
Audio input/output handling for stereo and AV stereo models.
Audio input/output handling for mono models.
Selection logic for CVBS and Y/C video input signals.
Input signal selection applies to all versions of the TV.
Operation of the horizontal and vertical synchronization circuits.
How horizontal and vertical drive signals are generated and controlled.
Processing of chroma, luminance, and picture improvement features.
Functionality of the PAL, NTSC, and SECAM colour decoders.
Control and adjustment of RGB output signals for picture display.
How the I2C-bus is used to control the UOC III processor.
Overview of the digital TV sound processor's capabilities.
List of TV sound standards supported by the processor.
Details on analog 2-carrier sound systems and their parameters.
Information on NICAM standards and their parameters.
Detailed functions of the TV sound processor.
Explains the sound concept implemented in the UOC III series.
Overview of the sound processing blocks within the digital controller.
Functionality of sound demodulators and decoders.
Operation of the mixer stage for sound signal processing.
Details on FM and AM demodulation techniques.
Process for identifying FM sound modes and standards.
Techniques for decoding FM and AM audio signals.
Detection of pilot carriers for FM A2 standards.
Demodulation process for NICAM signals.
Decoding functions for NICAM signals according to EBU specification.
Auto-mute function for NICAM signals based on error rates.
Service parts list for the DTY-28A8FZF-S model.
Service parts list for the DTC-21Y1FZF-S model.
Service parts list for the DTZ-29U7FZF-S model.
Exploded view diagram for the DTY-28A8 model.
Exploded view diagram for the DTY-2880 model.
Exploded view diagram for the DTY-21U7 model.
Exploded view diagram for the DTC-20T2 model.
Exploded view diagram for the DTC-21Y1 model.
Exploded view diagram for the DTZ-29U7 model.
Exploded view diagram for the DTZ-2881 model.
Exploded view diagram for the DTZ-2481 model.
Printed circuit board layout for the CP-520 model.
Printed circuit board layout for the CP-520A model.
Printed circuit board layout for the CP-520F model.
Schematic diagram for the CP-520 model.
Schematic diagram for the CP-520A model.
Schematic diagram for the CP-520F model.
