Matrix Circuit for Touch KEY Board | LG Electronics LRMM1430SB

B. MATRIX CIRCUIT FOR TOUCH KEY BOARD

Figure 4

-8-

Image 9

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

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 Operation Switch Chart Specifications Overall Circuit Diagram A. Schematic Diagram Matrix Circuit for Touch KEY Board Operating Procedures A. Control Panel Clock Display Window HI-POWER Cooking Easy USE Chart ClockKitchen Timer MULTI-STAGE Cooking Equipment Procedure for Measuring Microwave Energy LeakageMeasuring Microwave Energy Leakage Measurement with the OUT Case Removed Record Keeping and Notification After Measurement Measurement with a Fully Assembled Oven Important Notes Disassembly Instructions Removing Control Circuit Board Figure Wire AIR Guide Removal Figure Removing the Turntable Motor Magnetron Removal FAN Motor Assembly Removal Interlock SystemInterlock Mechanism Secondary Interlock Switch Test Primary Interlock Switch TestMonitor Switch Test Components Test Procedure Results Test Procedures Components Test and Checkout PROCEDURES, and TroubleshootingInverter Magnetron Correct Position Sensor Relay FAN MotorTurntable Motor Checkout Procedures Checkout Procedures for Fuse BlowingProblems Causes Problem a Checkout Procedures for RelayProblem B YES GoodPage Condition Cause Remedy Trouble Shooting Condition CheckResult PCB Check Result Cause Remedy Condition Check Result No 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 List 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