Manuals / LG Electronics / Kitchen Appliance / Microwave Oven

LG Electronics MS3447GRS Base Plate Parts, 56170D 63302A 63303A 948502 65006B WSZ002 WTT021

Models: MS3447GR MS3447GRS

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BASE PLATE PARTS

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WSZ002

WTT021

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LG Electronics MS3447GRS service manual Base Plate Parts, 56170D 63302A 63303A 948502 65006B WSZ002 WTT021

Contents

Website http//biz.lgservice.com BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUALJuly P/NO MFL31039007SAFETY PRECAUTIONS MICROWAVE RADIATIONCONTENTS Only for training and service purposesSERVICE INFORMATION LGE Internal Use OnlySPECIFICATIONS DESCRIPTIONMODEL MS3447GR / MS3447GRSCAUTIONS NEVER operate the oven with no loadNEVER injure the door seal and front plate of the oven cavity NEVER put iron tools on the magnetronINSTALLATION INSTALLINGEARTHING INSTRUCTIONS 10cmFEATURES OPERATING INSTRUCTIONSCONTROL PANEL 1. SENSOR REHEAT 2. SENSOR COOK1. CANCEL FUNCTION OPERATING SEQUENCE2. AUTO TOUCH 6. CHILD LOCKSCHEMATIC DIAGRAM Only for training and service purposesLGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reservedWHEN SELECTING COOKING POWER LEVEL AND TIME WHEN TOUCHING THE START PADWHEN THE OVEN IS SET AT ANY LEVEL EXCEPT MAXIMUM WHEN THE DOOR IS OPENED DURING COOKINGSERVICE INFORMATION If the oven operates with the door open, the service personnel shouldTOOLS AND MEASURING INSTRUMENTS MICROWAVE LEAKAGE TESTNOTES WHEN MEASURING MEASUREMENT WITH OUTER CASE REMOVEDMEASUREMENT WITH A FULLY ASSEMBLED OVEN WARNING AVOID CONTACTING ANY HIGH VOLTAGE PARTSMEASUREMENT OF MICROWAVE POWER OUTPUT DISASSEMBLY AND ADJUSTMENTB. POWER SUPPLY CORD C. CONTROL PANEL ASSEMBLYCAUTION Be careful not to damage door seal plate by screwdriver D. PCB ASSEMBLY REMOVALE. DOOR MAIN ASSEMBLY REMOVAL H. REMOVING THE TURNTABLE MOTOR F. AIR DUCT ASSEMBLY REMOVALG. MAGNETRON REMOVAL J. FAN MOTOR ASSEMBLY REMOVAL I. HIGH VOLTAGE TRANSFORMER REMOVALK. HIGH VOLTAGE CAPACITOR AND DIODE REMOVAL L. INTERLOCK SYSTEMA. PRIMARY INTERLOCK SWITCH TEST B. SECONDARY INTERLOCK SWITCH TESTC. MONITOR SWITCH TEST TEST PROCEDURECOMPONENT TEST PROCEDURE TEST PROCEDURECAUTIONS COMPONENTSRESULTS TEST PROCEDURECOMPONENTS 5-10 RelayTEST PROCEDURE COMPONENTSTROUBLE SHOOTING CONDITIONCAUSE REMEDYCHECK RESULT5-12 CONDITIONRESULT 5-13CONDITION CHECKCONDITION CHECKCAUSE REMEDYNOTE Make sure the wire leads correct position 5-15CONDITION CHECKEXPLODED VIEW INTRODUCTIONOVEN CAVITY PARTS INTERIOR PARTSDOOR PARTS 15006A 13581A 13552A 13536A 13213A 14890A 13720D 14026A 14970ACONTROL PANEL PARTS 24781M 23572A 23790D 268711 WTP018 23506A 24510L 24970AOVEN CAVITY PARTS 33112U33052A WTT010 33390G 36549S WTP013LARCH BOARD PARTS WSZ085 466001 43501A 43500AINTERIOR PARTS WTT021 WTP004 56501A 54974T56901A 56549FBASE PLATE PARTS 56170D 63302A 63303A 948502 65006B WSZ002 WTT021