Printed Circuit Board | LG Electronics LRMM1430SW, LRMM1430SB

PRINTED CIRCUIT BOARD

KEY PCB

MAIN PCB

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LG Electronics LRMM1430SW, LRMM1430SB manual Printed Circuit Board

Contents

Microwave Oven Page Model LRMM1430SW LRMM1430SB Adjustment Procedures Check the Door Latch and Switch ClosingsAdjust the Latch and Switch Closings Test the Latch and Switch SequencePage Precautions on Installation Features and SpecificationsGeneral Precautions in USE Trial Operation Specifications Switch Chart Overall Circuit Diagram A. Schematic Diagram Matrix Circuit for Touch KEY Board Operating Procedures A. Control Panel Display Window Clock Easy USE Chart Clock HI-POWER CookingKitchen Timer MULTI-STAGE Cooking Procedure for Measuring Microwave Energy Leakage EquipmentMeasuring Microwave Energy Leakage Measurement with the OUT Case Removed Measurement with a Fully Assembled Oven Record Keeping and Notification After Measurement Disassembly Instructions Important Notes Wire Removing Control Circuit Board Figure AIR Guide Removal Figure Magnetron Removal Removing the Turntable Motor Interlock Mechanism FAN Motor Assembly RemovalInterlock System Primary Interlock Switch Test Secondary Interlock Switch TestMonitor Switch Test Components Test Procedure Results Test and Checkout PROCEDURES, and Troubleshooting Test Procedures ComponentsInverter Magnetron Sensor Correct Position Turntable Motor RelayFAN Motor Problems Causes Checkout ProceduresCheckout Procedures for Fuse Blowing Checkout Procedures for Relay Problem aProblem B YES GoodPage Trouble Shooting Condition Cause Remedy Result ConditionCheck Check Result PCB Condition Check Result Cause Remedy No microwave oscillation Exploded View Door Parts Controller Parts Oven Cavity Parts Latch Board Parts Oven Interior Parts Base Plate Parts Replacement Parts List For Model LRMM1430SB Screw 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