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General advice for safe servicing, including isolation transformers and component handling.
Information about X-RAY sources and protection measures during servicing.
Procedures for checking AC leakage current for electrical safety.
Explains the functions of buttons on the remote control handset.
Details the buttons and connectors on the TV's front and side panels.
Defines the scope of the specification and testing requirements.
Outlines the procedures and standards for testing TV components.
Lists general technical specifications of the TV receiver.
Detailed breakdown of TV features, inputs, controls, and special functions.
Outlines the scope of adjustments and general notes for performing them.
Details the procedure for adjusting the Automatic Gain Control voltage.
Explains how to manually adjust the screen voltage for optimal display.
Covers the steps for adjusting picture purity and convergence.
Procedures for adjusting static and dynamic convergence of the picture.
Details on adjusting white balance and focus voltage for picture quality.
Steps for fine-tuning sub-brightness and sub-tint for accurate picture display.
Adjusting deflection parameters and IIC BUS data for optimal performance.
Configuring EEPROM options and instrument settings for automatic adjustment.
Procedures for inspecting multiplex sound and external A/V inputs.
Conditions for signal, sound, and TV/Cable channel operation checks.
Testing the HOLD DOWN circuit for X-RAY protection functionality.
Diagram showing the component layout of the main printed circuit board.
Diagram illustrating the component layout of the side A/V board.
Troubleshooting common problems related to the overall TV function.
Diagnosing issues within the Tuner and IF sections of the TV.
Addressing problems related to the video processing circuitry.
Troubleshooting issues in the primary section of the Switched-Mode Power Supply.
Diagnosing faults in the secondary section of the Switched-Mode Power Supply.
Troubleshooting problems related to the vertical deflection system.
Diagnosing and resolving faults in the horizontal deflection system.
Troubleshooting issues within the sound processing circuitry.
Diagnosing faults related to the Cathode Ray Tube (CRT) drive section.
A comprehensive block diagram illustrating the TV's internal signal flow and components.
Illustrates the physical assembly of the TV with numbered parts.
Lists parts by location number, part number, and description for replacement.
Detailed list of replacement parts with part numbers and descriptions.
General| Display Technology | CRT |
|---|---|
| Screen Size | 21 inches |
| Aspect Ratio | 4:3 |
| Resolution | 480i |
| Input/Output Terminals | Composite |
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