Need help?Do you have a question about the Toshiba 21SZ5E1 and is the answer not in the manual?
Details on potential X-ray hazards and protection measures for safe servicing.
Essential safety measures for technicians, including isolation transformer use.
Components with special safety characteristics and replacement guidelines.
Steps to adjust color purity using yoke and magnet positioning for optimal display.
Procedures for aligning color beams (center and circumference) for a sharp picture.
Steps to ensure accurate color reproduction across brightness levels (cut-off and drive).
Guide to accessing and displaying the adjustment menu in service mode.
Explanation of key functions and button operations within the service mode.
How to select adjustment items and change data values in service mode.
Procedures for memory initialization and selecting test patterns.
How to perform and interpret self-diagnosis for troubleshooting system issues.
Steps to access and navigate the design mode for specific adjustments.
How to select adjustment items and change data values within design mode.
Procedure to adjust focus for sharp scanning lines on the picture screen.
Steps to adjust brightness for optimal picture visibility and contrast.
Procedure to set the horizontal picture position accurately.
Procedure to set the vertical picture position accurately.
Steps to adjust vertical picture amplitude for correct display height.
Procedure to verify high voltage levels against specified limits for safety.
Reference data tables for service mode and design mode adjustments.
Identification of controls and parts on the TV set and remote control.
Procedures for auto search memory, manual search, and fine tuning.
List of replacement capacitors with location, part number, and description.
List of replacement resistors with location, part number, and description.
List of replacement coils and transformers with location and part details.
List of replacement transistors with location, part number, and description.
List of replacement diodes with location, part number, and description.
List of replacement ICs with location, part number, and description.
Replacement remote control unit and owner's manuals.
List of replacement front covers, doors, and knobs.
Overview of the schematic diagram structure, detailing main and CRT circuit sheets.
Visual identification of transistor pinouts (base, emitter, collector).
Explanations of symbols, conventions, and measurement notes for schematics.
Illustration of the television's main functional blocks and their interconnections.
Details on rated voltage, power consumption, dimensions, mass, and picture tube.
Information on TV system coverage, channel ranges, and RF signal types.
Details on color systems, sound systems, and speaker specifications.
To Next Page
General
