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Toshiba 20AF45C - User Manual

Toshiba 20AF45C
50 pages
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SERVICE MANUAL
COLOR TELEVISION
DOCUMENT CREATED IN JAPAN, February, 2005
20AF45
20AF45C
FILE NO. 050-200504
(MFR’S VERSION A)
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Toshiba 20AF45C Specifications

General IconGeneral
BrandToshiba
Model20AF45C
CategoryTV
LanguageEnglish

Summary

Servicing Notices and Parts Ordering

Servicing Notices on Checking

Safety guidelines and important notices to follow during service checks.

How to Order Parts

Instructions for ordering replacement parts, emphasizing model and version details.

About Lead Free Solder (PbF)

Information on lead-free solder, including precautions and recommendations for PCB servicing.

General Specifications

TV System and Tuning Specifications

Details on CRT, color system, speaker, sound output, tuner, and frequency.

Power, Regulation, and Environment Specs

Specs for power source, consumption, safety, radiation, temperature, and humidity.

On-Screen Display and Remote Control Features

On-screen menu options, OSD settings, and remote control functionalities.

Unit Accessories and Interface Details

List of included accessories and specifications for interface ports and unit dimensions.

Disassembly and Service Procedures

Disassembly Instructions

Step-by-step guides for safely removing components like the anode cap and ICs.

Service Mode List and EEPROM Replacement

Procedures for accessing service modes, checking usage hours, and replacing the memory IC.

Electrical Adjustments

Basic and Picture Adjustments

Procedures for constant voltage, cut off, white balance, focus, and geometry settings.

Signal, Contrast, and Color Adjustments

Steps for adjusting level, horizontal phase, contrast, separation, OSD, color, and tint.

Confirmation of Fixed Values

Verifying that adjustment items are set to correct fixed values.

Purity and Convergence Adjustments

Static and Dynamic Convergence Procedures

Detailed steps for static and dynamic convergence, including magnet and yoke adjustments.

System Diagrams and Waveforms

Block Diagram and Schematic Diagrams

Overview of system block diagram and detailed schematic diagrams for various sections.

Waveforms

Oscilloscope waveform examples for Micon, Chroma, Deflection, Sound, CRT, and other sections.

Mechanical Information and Parts Lists

Mechanical Exploded View and Packing

Diagrams showing component breakdown and product packaging for shipping.

Replacement Parts Lists (Mechanical & Electrical)

Comprehensive lists of mechanical and electrical components for replacement.

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