TOSHIBA 20vl44 free download

File name 20vl44.pdf

TOSHIBA SERVICE MANUAL COLOUR TELEVISION 20VL44 PRINTED IN UK. 2003 C Downloaded from www.Manualslib.com manuals search engine CONTENTS PAGES Safety instructions 1 Technical specifications 2 Panel Specification 3 Chassis block diagram 4 Scaler block diagram 5 Block diagram of power supply 6 Chassis overwiev 7 Service mode items and explanations 12 Data sheet of important IC's 17 Recommended Part List 29 Frequency list of channels 30 Downloaded from www.Manualslib.com manuals search engine SAFETY PRECAUTIONS GENERAL GUIDELINES 1. Always use the manufacturer's replacement safety components. The critical safety components marked 5 High temperature & high humidity with on the schematics diagrams should not be reduce the life-time. by other substitutes. Other substitute may create the LCD is not proper to be used at high temperature electrical shock , fire or other hazards. Take and high humidity. Please keep specified attention to replace the spacers with the originals. temperature and humidity condition. Furthermore where a short circuit has occurred , replace those components that indicate evidence of 6- Keep out of Corrosive Gas. overheating. Corrosive gas effect the polarizer and the circuit 2. After servicing , see that all the protective devices chemically and cause defects accordingly. such as insulation barriers, insulation papers, shields and isolation R-C combinations are correctly 7 - Electrostatic discharge can make installed. Damage 3. When the receiver is not being used for a long time of period of time , unplug the power cord of the