Manuals / LG Electronics / Kitchen Appliance / Microwave Oven

LG Electronics LRMM1430SW Description, Alter, WTP002, 1TPL0302018, Screw Tapping,Pan Head, WTP013

Models: LRMM1430SB LRMM1430SW

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LOC.	PART NO.	DESCRIPTION	SVC	ALTER
NO.	PART NO.	DESCRIPTION	SVC	ALTER
NO.
WTP002	1TPL0302018	SCREW TAPPING,PAN HEAD	R
WTP013	1TPL0402418	SCREW TAPPING,PAN HEAD	R
WTT021	1TTL0402418	SCREW TAPPING,TRUSS HEAD	R
WTT022	1TTL0402422	SCREW TAPPING,TRUSS HEAD	R
WTT028	1TTL0402818	SCREW TAPPING,TRUSS HEAD	R
WTT034	1TTL0403418	SCREW TAPPING,TRUSS HEAD	R

R,S: SERVICE PARTS

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LG Electronics LRMM1430SW Description, Alter, WTP002, 1TPL0302018, Screw Tapping,Pan Head, WTP013, 1TPL0402418, WTT021

Contents

MICROWAVE OVEN BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUALSERVICE MANUAL MODEL LRMM1430SW LRMM1430SBPRECAUTIONS TO BE OBSERVED BEFORE WARNING TO SERVICE TECHNICIANSTABLE OF CONTENTS FOREWORDMODEL LRMM1430SW LRMM1430SB CHECK THE DOOR LATCH AND SWITCH CLOSINGS 1. ADJUSTMENT PROCEDURESONLY AUTHORIZED SERVICE PERSONNEL SHOULD MAKE THIS ADJUSTMENT TEST THE MICROWAVE ENERGY LEAKAGEDOOR LATCH 0-1/64 LATCH BOARD A LATCH BOARD SECONDARY INTERLOCK SWITCH MONITOR INTERLOCK SWITCHPRIMARY INTERLOCK SWITCH LATCH B3. GENERAL PRECAUTIONS IN USE 2. PRECAUTIONS ON INSTALLATION5. FEATURES AND SPECIFICATIONS 4. TRIAL OPERATIONSPECIFICATIONS SWITCH CHART6. OVERALL CIRCUIT DIAGRAM A. SCHEMATIC DIAGRAM B. MATRIX CIRCUIT FOR TOUCH KEY BOARD 7. OPERATING PROCEDURES A. CONTROL PANEL 1 Display Window 12 KITCHEN TIMER Key Used as a kitchen timer 13 POWER KeyB. PANEL INSTRUCTIONS Figure 2 SENSOR COOK key9 KITCHEN TIMER C. EASY USE CHART 1 CLOCK2 “HI-POWER” COOKING 3 “MULTI-STAGE” COOKINGEQUIPMENT 8. PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGEA. CAUTIONS B. MEASURING MICROWAVE ENERGY LEAKAGED. MEASUREMENT WITH A FULLY ASSEMBLED OVEN E. NOTE WHEN MEASURINGSPECIAL TIP F. RECORD KEEPING AND NOTIFICATION AFTER MEASUREMENTIMPORTANT NOTES 9. DISASSEMBLY INSTRUCTIONSB. DOOR ASSEMBLY REMOVAL Figure A. REMOVING OUT CASE FigureC. REMOVING CONTROL CIRCUIT BOARD Figure WIREDisconnect the lead wires D. SEPARATE CAVITY AND BASE PLATE FigureF. POWER BOARD AND INVERTER MODULE AND SUCTION GUIDE Figure E. AIR GUIDE REMOVAL FigureG. SENSOR DUCT REMOVAL Figure H. MAGNETRON REMOVAL I. REMOVING THE TURNTABLE MOTORJ. FAN MOTOR ASSEMBLY REMOVAL K. INTERLOCK SYSTEM0.5 mm. 1/64 inch C. MONITOR SWITCH TEST A. PRIMARY INTERLOCK SWITCH TESTB. SECONDARY INTERLOCK SWITCH TEST TEST PROCEDURETEST PROCEDURE 11. TEST AND CHECKOUT PROCEDURES, AND TROUBLESHOOTINGA. TEST PROCEDURES CAUTIONSRESULTS TEST PROCEDURECOMPONENTS AntennaCOMPONENTS TEST PROCEDURERelay RESULTSB. CHECKOUT PROCEDURES PROBLEMSCAUSES 2 CHECKOUT PROCEDURES FOR RELAY 3 The unit with a normal relay continuously operates CONDITION C. TROUBLE SHOOTINGCAUTIONS CAUSERESULT CONDITIONCHECK CAUSERESULT CONDITIONCHECK CAUSERESULT CONDITIONCHECK CAUSECHECK NOTE Make sure the wire leads correct positionCONDITION RESULTEXPLODED VIEW INTRODUCTION13552A DOOR PARTS15006A 13536ACONTROLLER PARTS WTP002 13551A 268711 23506A33052A OVEN CAVITY PARTSWSZ185 33112U WTT022 Model LRMM 1430SW W107 Model LRMM 1430SB 33390G 35889ALATCH BOARD PARTS 43501A 466001 466003 466001WSZ085 43500A OVEN INTERIOR PARTS WTT021 WTT028 56501A 54974T 56930V 56912B 56324A WSZ002 43500A56411A 56851H 568771 WTT021 WSZ002 56549F WTT034 WTT028 568711 BASE PLATE PARTSWTT028 WTT028 268712 WTT028 35264A 568772 54974SREPLACEMENT PARTS LIST FOR MODEL LRMM1430SBALTER R,S SERVICE PARTSDESCRIPTION WTP002FOR MODEL LRMM1430SW ALTER R,S SERVICE PARTSDESCRIPTION WTP002SCHEMATIC DIAGRAM OF P.C.B PRINTED CIRCUIT BOARD KEY PCB MAIN PCBP.C.B. PARTS LIST DESCRIPTION 0IZZW5A191B P/NO 3828W5S3066 Printed in Korea

WTT022

1TTL0402422