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Highlights critical safety characteristics of parts and the need for exact replacements to prevent hazards.
Provides guidelines on using isolation transformers, replacing fuses, and handling components safely.
Identifies X-RAY sources and stresses using correct replacement picture tubes for radiation protection.
Details procedures for performing cold and hot checks to ensure electrical safety before customer use.
Defines the applicability of the specification to the CW81A Chassis.
Outlines the methods used for TV performance testing and other specified tests.
Specifies the environmental and operational conditions for testing components and performance.
Provides detailed technical specifications for receiving systems, channels, voltage, market, screen, etc.
Covers the purpose of adjustments and essential notes for servicing, including environmental conditions.
Details the procedure and instruments required for adjusting the Automatic Gain Control voltage.
Explains how to adjust screen voltage using the factory remote control to display a visible horizontal line.
Introduces adjustments for picture purity and convergence, including necessary tools and patterns.
Provides detailed steps for adjusting static (STC) and dynamic (DYC) convergence using magnets and yoke.
Outlines procedures for auto and manual white balance adjustment using specialized meters.
Describes how to adjust the focus voltage on the FBT for optimal vertical and horizontal line clarity.
Details the procedure for adjusting sub-brightness for specific color temperature requirements.
Explains how to adjust sub-tint to equalize upper and lower CYAN color portions if tint is incorrect.
Covers manual adjustment of deflection data, including vertical and horizontal positioning and size.
Provides a functional block diagram of the TV's main sections and their interconnections.
Details the tuner/IF section, including input, control, and modulation/sound buffer circuits and common issues.
Details the 1 CHIP IC, video/audio input/output, and related circuits for video processing.
Explains the SMPS transformer and primary circuits, including fuse, bridge rectifier, and power issues.
Details the SMPS transformer, filter, relay, and feedback sections for secondary power regulation.
Covers the vertical IC, VCC sections, damping, reference, and output stages for vertical deflection.
Details the horizontal drive, output sections, and deflection compensation circuits.
Explains the signal flow from tuner to speakers, including ICs for sound processing and amplification.
Details the CRT board, RGB amplifier circuit, and associated drive sections for picture display.
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