samsung lw29a13w, lw40a13w free download

File name LW29A13WX LW40A13W.pdf

CONFIDENTIAL LCD-TV Chassis Model AL29AO LW29A13W AL40AO LW40A13W SERVICE Manual LCD-TV CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignment & Adjustments 5. Troubleshooting 6. Exploded View & Parts List 7. Electrical Parts List 8. Block Diagram 9. Wiring Diagram 10. Schematic Diagrams 11. Panel Description CONFIDENTIAL 1 Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1-1-1 Warnings 1. For continued safety, do not attempt to modify the (READING SHOULD circuit board. NOT BE ABOVE 0.5mA) 2. Disconnect the AC power and DC Power Jack before servicing. DEVICE LEAKAGE CURRENT UNDER TESTER 1-1-2 Servicing the LCD Monitor TEST TEST ALL EXPOSED METAL 1. When servicing the LCD Monitor disconnect the SURFACES AC line cord from the AC outlet. 2-WIRE CORD 2. It is essential that service technicians have an accurate voltage meter available at all times. Check the calibration of this meter periodically. ALSO TEST WITH PLUG REVERSED (USING AC ADAPTER PLUG AS REQUIRED) EARTH 1-1-3 Fire and Shock Hazard GROUND Before returning the monitor to the user, perform the Figure 1-1. Leakage Current Test Circuit following safety checks: