BEKO BEKO chassis L5A LCD free download

File name BEKO chassis L5A LCD.pdf

L5A TFT- LCD TV SERVICE MANUAL 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 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 There are electro-static sensitive components such Adaptor from the AC outlet. as CMOS in LCD Module. Please earth human body when handle the LCD.In addition, please do not touch the interface connector pin with bare. Color TFT LCD Module is very sensitive both electrically and physically.Users, therefore, are requested to follow the 8- Do not operate for a long time under the same pattern "Guidance of handling color TFT LCD Module"on the followings. Operating LCD for a long time under the same pattern can cause image persistence and can 1- Be careful not to make scratch on the damage it. Please follow following guidance. polarizer.