LG Electronics manual Model LRMM1430SW LRMM1430SB

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FOREWORD

Read this Manual carefully. Failure to adhere to or observe the information in this Manual may result in exposing yourself to the Microwave Energy normally contained within the oven cavity.

MODEL LRMM1430SW

LRMM1430SB

		MECHANICAL SERVICE INFORMATION
		TABLE OF CONTENTS
1.	Adjustment Procedures		3-4
2.	Precautions on Installation		5
3.	General Precautions in Use		5
4.	Trial Operation		5
5.	Features and Specifications		5-6
6.	Overall Circuit Diagram		7-8
7.	Operating Procedures		9-11
8.	Procedure for Measuring Microwave Energy Leakage		12-13
9.	Disassembly Instructions		14-18
10.		Interlock Continuity Test	19
11.		Test and Checkout Procedures, and Troubleshooting
		A. Test Procedures	20-22
		B. Checkout Procedures	23-25
		C. Troubleshooting	26-30
12.		Exploded View	31-37
13.		Replacement Parts List	38-41
14.		Schematic diagram of P.C.B	42
		A. Printed circuit board	43
15.P.C.B Parts List			44-46

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Contents Microwave Oven Page Model LRMM1430SW LRMM1430SB Test the Latch and Switch Sequence Adjustment ProceduresCheck the Door Latch and Switch Closings Adjust the Latch and Switch ClosingsPage Trial Operation Precautions on InstallationFeatures and Specifications General Precautions in USESwitch Chart SpecificationsOverall Circuit Diagram A. Schematic Diagram Matrix Circuit for Touch KEY Board Operating Procedures A. Control Panel Clock Display WindowMULTI-STAGE Cooking Easy USE Chart ClockHI-POWER Cooking Kitchen TimerMeasurement with the OUT Case Removed Procedure for Measuring Microwave Energy LeakageEquipment Measuring Microwave Energy LeakageRecord 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 Components Test Procedure Results Primary Interlock Switch TestSecondary Interlock Switch Test Monitor Switch TestMagnetron Test and Checkout PROCEDURES, and TroubleshootingTest Procedures Components InverterCorrect Position SensorRelay FAN MotorTurntable Motor Checkout Procedures Checkout Procedures for Fuse BlowingProblems Causes YES Good Checkout Procedures for RelayProblem a Problem BPage 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