Manuals / LG Electronics / Kitchen Appliance / Microwave Oven

LG Electronics LRMM1430SB Door Parts, 15006A, 13552A, 13536A, 13581A 13213A WTP002 14026A, 13551A

Models: LRMM1430SB LRMM1430SW

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DOOR PARTS

13552A

15006A

13536A

13581A

13213A

WTP002

14026A

13551A

WTP002

14970A

26871113806A

23506A

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Page 33

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LG Electronics LRMM1430SB, LRMM1430SW manual Door Parts, 15006A, 13552A, 13536A, 13581A 13213A WTP002 14026A, 13551A

Contents

SERVICE MANUAL BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUALMICROWAVE OVEN MODEL LRMM1430SW LRMM1430SBWARNING TO SERVICE TECHNICIANS PRECAUTIONS TO BE OBSERVED BEFORETABLE OF CONTENTS FOREWORDMODEL LRMM1430SW LRMM1430SB ONLY AUTHORIZED SERVICE PERSONNEL SHOULD MAKE THIS ADJUSTMENT 1. ADJUSTMENT PROCEDURESCHECK THE DOOR LATCH AND SWITCH CLOSINGS TEST THE MICROWAVE ENERGY LEAKAGEPRIMARY INTERLOCK SWITCH LATCH BOARD SECONDARY INTERLOCK SWITCH MONITOR INTERLOCK SWITCHDOOR LATCH 0-1/64 LATCH BOARD A LATCH B5. FEATURES AND SPECIFICATIONS 2. PRECAUTIONS ON INSTALLATION3. GENERAL PRECAUTIONS IN USE 4. TRIAL OPERATIONSWITCH CHART SPECIFICATIONS6. OVERALL CIRCUIT DIAGRAM A. SCHEMATIC DIAGRAM B. MATRIX CIRCUIT FOR TOUCH KEY BOARD 7. OPERATING PROCEDURES A. CONTROL PANEL B. PANEL INSTRUCTIONS Figure 12 KITCHEN TIMER Key Used as a kitchen timer 13 POWER Key1 Display Window 2 SENSOR COOK key2 “HI-POWER” COOKING C. EASY USE CHART 1 CLOCK9 KITCHEN TIMER 3 “MULTI-STAGE” COOKINGA. CAUTIONS 8. PROCEDURE FOR MEASURING MICROWAVE ENERGY LEAKAGEEQUIPMENT B. MEASURING MICROWAVE ENERGY LEAKAGESPECIAL TIP E. NOTE WHEN MEASURINGD. MEASUREMENT WITH A FULLY ASSEMBLED OVEN F. RECORD KEEPING AND NOTIFICATION AFTER MEASUREMENTB. DOOR ASSEMBLY REMOVAL Figure 9. DISASSEMBLY INSTRUCTIONSIMPORTANT NOTES A. REMOVING OUT CASE FigureDisconnect the lead wires WIREC. REMOVING CONTROL CIRCUIT BOARD Figure 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 I. REMOVING THE TURNTABLE MOTOR H. MAGNETRON REMOVALJ. FAN MOTOR ASSEMBLY REMOVAL K. INTERLOCK SYSTEM0.5 mm. 1/64 inch B. SECONDARY INTERLOCK SWITCH TEST A. PRIMARY INTERLOCK SWITCH TESTC. MONITOR SWITCH TEST TEST PROCEDUREA. TEST PROCEDURES 11. TEST AND CHECKOUT PROCEDURES, AND TROUBLESHOOTINGTEST PROCEDURE CAUTIONSCOMPONENTS TEST PROCEDURERESULTS AntennaRelay TEST PROCEDURECOMPONENTS RESULTSB. CHECKOUT PROCEDURES PROBLEMSCAUSES 2 CHECKOUT PROCEDURES FOR RELAY 3 The unit with a normal relay continuously operates CAUTIONS C. TROUBLE SHOOTINGCONDITION CAUSECHECK CONDITIONRESULT CAUSECHECK CONDITIONRESULT CAUSECHECK CONDITIONRESULT CAUSECONDITION NOTE Make sure the wire leads correct positionCHECK RESULTINTRODUCTION EXPLODED VIEW15006A DOOR PARTS13552A 13536AWTP002 13551A 268711 23506A CONTROLLER PARTSWSZ185 33112U OVEN CAVITY PARTS33052A WTT022 Model LRMM 1430SW W107 Model LRMM 1430SB 33390G 35889ALATCH BOARD PARTS 43501A 466001 466003 466001WSZ085 43500A WTT021 WTT028 56501A 54974T 56930V 56912B 56324A WSZ002 43500A OVEN INTERIOR PARTSWTT028 WTT028 268712 WTT028 35264A 568772 BASE PLATE PARTS56411A 56851H 568771 WTT021 WSZ002 56549F WTT034 WTT028 568711 54974SFOR MODEL LRMM1430SB REPLACEMENT PARTS LISTDESCRIPTION R,S SERVICE PARTSALTER WTP002FOR MODEL LRMM1430SW DESCRIPTION R,S SERVICE PARTSALTER WTP002SCHEMATIC DIAGRAM OF P.C.B KEY PCB MAIN PCB PRINTED CIRCUIT BOARDP.C.B. PARTS LIST DESCRIPTION 0IZZW5A191B Printed in Korea P/NO 3828W5S3066