. Various TVLCD201 261 [SM] free download

File name TVLCD201_261_[SM].pdf

LCD TELEVISION SERVICE MANUAL Chassis LS07 Please read this manual carefully before service. CONTENTS Part: Specification , feature and Composition ...1 1.1 Technical specification...1 1.2 Main feature...1 1.3 Circuit composition...2 1.4 PCB assembly introduction...3 Part: Function introduction about the main integrated circuit ...5 2.1 Main ICs and components...5 2.2 Function introduction of main IC...5 2.2.1 MST518 high integration chip...5 2.2.2 TDA15021H introduction...8 2.2.3 TDA9178 brief...12 2.2.4 TDA1517ATW brief...14 Part: Signal Processing Flow chart ...15 3.1 RF/IF process...15 3.2 Image and sound process...15 3.3 Digital signal process...15 3.4 TV power supply system...15 3.5 Location of main components and socket on mainboard and definition...17 Part: Typical troubleshooting processing flowchart and example...20 4.1 Typical troubleshooting flowchart...20 4.2 The example of service...22 Part: Spare part lists...25 Annex: 1Circuit schematic diagram 2Final Assembly diagram 3Final Wiring Connection diagram Part: Specification , feature and Composition Technical Specification: 20 inch LCD TV Physical resolution :640*480(VGA), Audio power output:2*2.0W, Inside power module AC input voltage:AC 100240V,50/60Hz. Main feature 1Radio frequency input It can receive CATV signal. 2AV input Convenient for watching a DVD player,VCR,pickup camera or other play