LG Electronics LRMM1430SB, LRMM1430SW manual Matrix Circuit for Touch KEY Board

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B. MATRIX CIRCUIT FOR TOUCH KEY BOARD

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Contents Microwave Oven Page Model LRMM1430SW LRMM1430SB Check the Door Latch and Switch Closings Adjustment ProceduresAdjust the Latch and Switch Closings Test the Latch and Switch SequencePage Features and Specifications Precautions on InstallationGeneral Precautions in USE Trial OperationSwitch Chart SpecificationsOverall Circuit Diagram A. Schematic Diagram Matrix Circuit for Touch KEY Board Operating Procedures A. Control Panel Clock Display WindowHI-POWER Cooking Easy USE Chart ClockKitchen Timer MULTI-STAGE CookingEquipment Procedure for Measuring Microwave Energy LeakageMeasuring Microwave Energy Leakage Measurement with the OUT Case RemovedRecord Keeping and Notification After Measurement Measurement with a Fully Assembled OvenImportant Notes Disassembly InstructionsRemoving Control Circuit Board Figure WireAIR Guide Removal Figure Removing the Turntable Motor Magnetron RemovalFAN Motor Assembly Removal Interlock SystemInterlock Mechanism Secondary Interlock Switch Test Primary Interlock Switch TestMonitor Switch Test Components Test Procedure ResultsTest Procedures Components Test and Checkout PROCEDURES, and TroubleshootingInverter MagnetronCorrect Position SensorRelay FAN MotorTurntable Motor Checkout Procedures Checkout Procedures for Fuse BlowingProblems Causes Problem a Checkout Procedures for RelayProblem B YES GoodPage Condition Cause Remedy Trouble ShootingCondition CheckResult PCB Check ResultCause Remedy Condition Check ResultNo microwave oscillation Exploded View Door Parts Controller Parts Oven Cavity Parts Latch Board Parts Oven Interior Parts Base Plate Parts For Model LRMM1430SB Replacement Parts ListScrew TAPPING,PAN Head For Model LRMM1430SW WTT022 1TTL0402422 Schematic Diagram of P.C.B Printed Circuit Board B. Parts List LOC Description Specification SVC Alter RY1 May