LG EL172W CIRCUIT free download

File name EL172W_CIRCUIT.pdf

NOTE : 1. Shaded( ) parts are critical for safety. Replace only with specified part number. 2. Power(SMPS) Circuit Diagram 2. Voltages are DC-measured with a digital voltmeter during TUNER mode. 12VA Power dead. D109 is defective. (TO SYSTEM) Power dead. BD101,R101 are defective. 5.4VA Power dead. D106 is defective. 36VA Power dead. D105 is defective. Switching dead. IC101 is defective. Switching error Power dead. IC102, IC103 are F101 is defective. defective. NOTES) Warning NOTES) Symbol denotes AC ground. NOTES) Parts that are shaded are critical NOTES) Symbol denotes DC chassis ground. NOTES) With respect to risk of fire or