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File name LG 29FU1RNX CW71A.pdf

website:http://biz.lgservice.com COLOR TV SERVICE MANUAL CHASSIS : CW71A MODEL: 29FU1RNX MODEL: 29FU1RNX-ZW CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : MFL33997507 Apr., 2007 Printed in China CONTENTS Contents ...2 Safety Precautions...3 Control Descriptions ...4 Specifications...7 Adjustment Instructions...8 SVC Remocon ...15 Trouble Shooting ...16 Printed circuit board...19 Block Diagram...22 Exploded View...24 Exploded View Parts List ...25 Replacement Parts List ...26 SVC. Sheet... -2- SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line. Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks. It will also protect the receiver and it's components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation. If any fuse (or Fusible Resistor) in this TV receiver is blown, replace it with the specified. When replacing a high wattage resistor (Oxide Metal Film Resistor, over 1W), keep the resistor 10mm away from PCB. Keep wires away from high voltage or high temperature parts. Due to high vacuum and large surface area of picture tube, extreme care should be used in handling the Picture Tube. Do not lift the Picture tube by it's Neck. Before r