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LG MS-324SCE, Service Manual

The LG MS-324SCE Service Manual is available for free download from manualshive.com. This comprehensive manual provides users with detailed instructions on operating and maintaining the LG MS-324SCE product. It is an essential resource for troubleshooting and understanding the various features of this device.

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SAFETY PRECAUTIONS  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Inside front cover

SPECIFICATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-1

CAUTIONS  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-1 

INSTALLATIONS  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-1

OPERATING INSTRUCTIONS  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1

FEATURES- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1

CONTROL PANEL  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1

OPERATING SEQUENCE- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-2

SCHEMATIC DIAGRAM - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-3

CIRCUIT DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-4

SERVICE INFORMATION  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-1

TOOLS AND MEASURING INSTRUMENTS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-1

MICROWAVE LEAKAGE TEST - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-1

MEASUREMENT OF MICROWAVE POWER OUTPUT  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-3

DISASSEMBLY AND ADJUSTMENT - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-3

INTERLOCK CONTINUITY TEST- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-7

COMPONENT TEST PROCEDURE - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-8

TROUBLE SHOOTING - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5-11

EXPLODED VIEW - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-1

REPLACEMENT PARTS LIST  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-1

SCHEMATIC DIAGRAM OF P.C.B.  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-1

PRINTED CIRCUIT BOARD - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-2

P.C.B. PARTS LIST  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9-1

CONTENTS

Summary of Contents for MS-324SCE

Page 1: ...ECN NO MS 324SCE 02 MS 325SCE 02 MICROWAVE OVEN SERVICE MANUAL MODEL MS 324SCE MS 325SCE CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http biz lgservice com ...

Page 2: ...interlock operation 2 proper door closing 3 seal and sealing surfaces arcing wear and other damage 4 damage to or loosening of hinges and latches 5 evidence of dropping or abuse C Before turning on microwave power for any service test or inspection within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connecti...

Page 3: ... CIRCUIT DESCRIPTION 4 4 SERVICE INFORMATION 5 1 TOOLS AND MEASURING INSTRUMENTS 5 1 MICROWAVE LEAKAGE TEST 5 1 MEASUREMENT OF MICROWAVE POWER OUTPUT 5 3 DISASSEMBLY AND ADJUSTMENT 5 3 INTERLOCK CONTINUITY TEST 5 7 COMPONENT TEST PROCEDURE 5 8 TROUBLE SHOOTING 5 11 EXPLODED VIEW 6 1 REPLACEMENT PARTS LIST 7 1 SCHEMATIC DIAGRAM OF P C B 8 1 PRINTED CIRCUIT BOARD 8 2 P C B PARTS LIST 9 1 CONTENTS ...

Page 4: ...phase 3 wire grounded 1 100 Watts full microwave power IEC60705 2 450 MHz 2M248J 0 99 min 99 sec 530 W x 315 H x 394 D mm 350 W x 240 H x 365 D mm 16 7kg approx 18 1kg approx Touch Control System Clock 1 00 12 59 Microwave Power for Variable Cooking Power level HIGH Full power throughout the cooking time 9 Saute approx 90 of Full power 8 Reheat approx 80 7 Med High approx 70 6 Medium approx 60 5 M...

Page 5: ... operation of the microwave oven requires that the magnetron be assembled to the waveguide and cavity Never operate the magnetron unless it is properly installed Be sure that the magnetron gasket is properly installed around the dome of the tube whenever installing the magnetron 2 1 CAUTIONS Unlike other appliances the microwave oven is high voltage and high current equipment Though it is free fro...

Page 6: ...st 10 cm 4 inches from the wall 7 Place the microwave oven as far away as possible from TV RADIO COMPUTER etc to prevent interference EARTHING INSTRUCTIONS This microwave oven is designed to be used in a fully earthed condition It is imperative therefore to make sure it is properly earthed before servicing WARNING THIS APPLIANCE MUST BE EARTHED IMPORTANT As the colors of the wires in the mains lea...

Page 7: ... seconds to the cooking time LESS Pressing LESS will subtract 10 seconds of cooking time 8 AUTO DEFROST This feature provides you with the best defrosting method for frozen foods 9 QUICK DEFROST You can thaw specific foods and weight very quickly 10 POWER You can select the desired power level for cooking 11 NUMBER These used to set for time of day cooking time power level or defrost weight 12 STO...

Page 8: ... 7 EZ DEFROST 8 CHILD LOCK This oven has a CHILD LOCK feature TO SET CHILD LOCK Touch the pad Touch and hold pad LOCKED appears on the display TO CANCEL CHILD LOCK Touch and hold pad LOCKED disappears 9 MORE LESS The cook time is adjustable by MORE pad or LESS pad 10 SENSOR COOK Sensor cook has 10 foods categories 11 SENSOR DEFROST 4 2 STOP CLEAR CLOCK NUMBER STOP CLEAR AUTO COOK STOP CLEAR AUTO C...

Page 9: ...FIRE ELECTRICAL SHOCK AND HAZARDS WHEN SERVICING IT IS ESSENTIAL THAT ONLY MANUFACTURER S SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SHADED AREAS OF THE SCHEMATIC DIAGRAM NOTICE SINCE THIS IS BASIC SCHEMATIC DIAGRAM THE VALUES OF COMPONENTS AND SOME PARTIAL CONNECTIONS ARE SUBJECT TO CHANGE FOR IMPROVEMENT 250V 10A INPUT POWER 230 240V 50HZ 5KV 0 8A ...

Page 10: ...ximately 2100 volts AC is generated in the secondary of the high voltage transformer which is increased by the action of the high voltage diode and charging of the high voltage capacitor The negative 4 000 Volts DC is applied to the filament of the magnetron WHEN THE OVEN IS SET AT ANY LEVEL EXCEPT MAXIMUM The micom controller controls the ON OFF time of relay 2 by the applied signal to vary the a...

Page 11: ...ich is graduated to 600 cc and place the beaker on the center of the turntable Set the energy leakage monitor to 2 450 MHz and use it following the manufacturer s recommended test procedure to assure correct result When measuring the leakage always use the 2 inch 5cm spacer supplied with the probe Operate the oven at its maximum output Measure the microwave radiation using and electromagnetic radi...

Page 12: ...e test probe must be removed no faster than 1 inch sec 2 5 cm sec along the shaded area otherwise a false reading may result The test probe must be held with the grip portion of the handle A false reading may result if the operator s hand is between the handle and the probe When testing near a corner of the door keep the probe perpendicular to the surface making sure the probe horizontally along t...

Page 13: ...s 5 K The microwave power output P in watts is calculated from the following formula 4187 x T T is measured while the microwave generator is operating at full power Magnetron filament heat up time is not included about 3 sec The water is stirred to equalize temperature throughout the vessel prior to measuring the final water temperature Stirring devices and measuring instruments are selected in or...

Page 14: ...or be sure to check that the primary switch monitor switch and secondary switch operate normally 2 After replacing the door check for microwave energy leakage with a survey meter Microwave energy must be below the limit of 4 mW cm with a 275 ml water load 3 When mounting the door assembly to the oven assembly be sure to adjust the door assembly parallel to the chassis Also adjust so the door has n...

Page 15: ...en the mounting screws properly making sure there is no gap between the waveguide and the magnetron G REMOVING THE TURNTABLE MOTOR 1 Remove the turntable and rotating ring 2 Lay the unit down on its back 3 Remove the turntable motor cover The turntable base cover is easily removed by pinching the eight parts with a wire cutting 4 Disconnect the leadwire from the turntable motor terminals 5 Remove ...

Page 16: ...RLOCK SYSTEM 1 INTERLOCK MECHANISM The door lock mechanism is a device which has been specially designed to eliminate completely microwave activity when the door is opened during cooking and thus to prevent the danger resulting from the microwave leakage 2 MOUNTING OF THE PRIMARY MONITOR SECONDARY SWITCHES TO THE LATCH BOARD 3 INSTALLATION AND ADJUSTMENT OF THE LATCH BOARD TO THE OVEN ASSEMBLY Mou...

Page 17: ...losed meter should indicate an closed circuit When the secondary switch operation is abnormal make the necessary adjustment or replace the switch only with the same type of switch C MONITOR SWITCH TEST Disconnect the wire lead from the monitor switch Connect the ohmmeter leads to the common COM and normally closed NC terminals of the switch The meter should indicate closed circuit in the door open...

Page 18: ... PROCEDURE RESULTS HIGH VOLTAGE TRANSFORMER Wire leads removed MAGNETRON Wire leads removed 1 Measure the resistance Ohm meter scale Rx1 and Rx100 Primary winding Secondary winding Filament winding 2 Measure the resistance Ohm meter scale Rx1000 Primary winding to ground Filament winding to ground 1 Measure the resistance Ohm meter scale Rx1 Filament terminal 2 Measure the resistance Ohm meter sca...

Page 19: ... Terminal to case Measure the continuity Forward Ohm meter scale Rx10000 Measure the continuity Reverse Ohm meter scale Rx10000 Normal Momentarily indicates several ohms and then gradually returns to infinite Normal Infinite Normal Continuity Abnormal Infinite Normal Infinite Abnormal Continuity NOTE When testing the magnetron be sure to install the magnetron gasket in the correct position and be ...

Page 20: ...OR 1 Disconnect sensor connector from micom computer board 2 Measure resistance terminal to terminal ohm meter scale R X 1000 Normal Approximately BK RD 5 1 Kohm RD WH 2 1 Kohm BK WH 2 1 Kohm Abnormal Infinite or several Sensor cooking condition 1 Oven should be plugged in at least 5 minutes before sensor cooking 2 Room temperature should not exceed 95 F 3 Be sure the exterior of the cooking conta...

Page 21: ...s panel to discharge any static charge built up in your body Micom model only CONDITION Microwave oven does not work Inserting many plugs into one outlet and using them at the same time blown fuse or breaker Microwave oven plug is not inserted tightly Output power is too low Low AC input voltage Food temperature is too low Using metallic ware and allowing it to touch the oven wall Sparks occur Inc...

Page 22: ... does not turn on after setting cooking cycle 11 Display time of day does not reappear when cooking is finished 5 12 TROUBLE 1 The following visual conditions indicate a probable defective control circuit CONDITION CHECK RESULT CAUSE REMEDY 1 No input can be programmed Continuity No continuity Defective PCB assembly Loose connection Replace PCB assembly Connect them tightly Check the conn ection b...

Page 23: ...of primary switch with door opened Disconnect one side of the wire lead connected from transformer to the high voltage capacitor and operate the unit Replace fuse Continuity Malfunction of secondary switch Replace fuse primary monitor secondary switches and RELAY RY2 of P C B Assembly No continuity Check continuity of secondary switch with door opened 2 Fuse does not blow No continuity Continuity ...

Page 24: ...ws all figures set but oven does not start cooking while desired program times are set and START pad is touched TROUBLE 4 Oven seems to be operating but little heat is produced in oven load NOTE Simple test of power output conducted by heating one liter water for one min if available Minimum 8 5 C temperature rise is normal condition CONDITION CHECK RESULT CAUSE REMEDY Output is low Lower than 90 ...

Page 25: ... relay 2 and check continuity relay 2 Operate the unit Abnormal Defective high voltage capacitor Replace high voltage capacitor Normal Check high vol tage capacitor Abnormal Defective high voltage diode Replace high voltage diode Normal Check high vol tage diode Abnormal Defective magnetron Replace magnetron Check magnetron TROUBLE 5 No microwave oscillation even though oven lamp and fan motor run...

Page 26: ...DOOR PARTS LATCH BOARD PARTS CONTROL PANEL PARTS INTERIOR PARTS BASE PLATE PARTS OVEN CAVITY PARTS SENSOR PARTS 6 1 EXPLODED VIEW INTRODUCTION ...

Page 27: ...6 2 13213A 13552A 13536A 14026A 14970A 13581A 15006A 14890A 13720D ECN Check DOOR PARTS ...

Page 28: ...6 3 23506C 268711 WTT028 24781M 24510L 250201 23572A 24970A ECN Check CONTROLLER PARTS ...

Page 29: ...6 4 33052M 340511 36549S 34960A WTP013 33390G WTT010 WTT021 33112U 34370T 35889A OVEN CAVITY PARTS ...

Page 30: ...6 5 55262A 43500A 466003 466001 466001 43501A WSZ085 56912B LATCH BOARD PARTS ...

Page 31: ...568771 WSZ002 WSZ196 WSZ002 WTT028 56411A 56930V 34930W 56201A 56549F 54974S WTT037 55900A 54810C WTT028 56901A 50CZZH 56851D 50FZZA WSZ002 WSZ002 56324A 56201B 948502 35012A WSZ002 ECN Check INTERIOR PARTS ...

Page 32: ...6 7 63302L 56170D WSZ002 948503 WTT021 WTT028 647781 63302R 63303L 63303R BASE PLATE PARTS ...

Page 33: ...6 8 WTT021 54974T 56501A 948501 WTP002 ECN Check ECN Check SENSOR PARTS ...

Page 34: ...RN TABLE R 34930W 4930W3B029A HOLDER WIRE R 34960A 4960W3G026A MOUNT R 35012A 5012W3A012A INSULATOR R 35889A 5889W2A005J ROTATING RING ASSEMBLY R 36549S 6549W1S011D MOTOR CIRC SYNCHRONOUS R 43500A 3500W1A004A BOARD LATCH R 43501A 3501W1A003H BOARD ASSEMBLY LATCH R 466001 3B73362F SWITCH MICRO R 6600W1K004C 466003 3B73361E SWITCH MICRO R 6600W1K004B 50CZZH 6120W3H003K CAPACITOR DRAWING HIGH VOLTAGE...

Page 35: ...438T CUSHION R 948502 4B73438L CUSHION R 948503 3B72244G CUSHION R WSZ002 1SBF0402418 SCREW TAP TITE B PAN HEAD R WSZ085 4B70188C SCREW DRAWING R WSZ196 1SZZW2A001B SCREW DRAWING R WTP002 1TPL0302018 SCREW TAPPING PAN HEAD R WTP013 1TPL0402418 SCREW TAPPING PAN HEAD R WTT010 1TTG0402422 SCREW TAPPING TRUSS HEAD R WTT021 1TTL0402418 SCREW TAPPING TRUSS HEAD R WTT028 1TTL0402818 SCREW TAPPING TRUSS ...

Page 36: ...LATOR R 35889A 5889W2A005J ROTATING RING ASSEMBLY R 36549S 6549W1S011D MOTOR CIRC SYNCHRONOUS R 43500A 3500W1A008A BOARD LATCH R 43501A 3501W1A003U BOARD ASSEMBLY LATCH R 466001 3B73362F SWITCH MICRO R 3B73362E 466001 3B73362F SWITCH MICRO R 6600W1K004C 466003 3B73361E SWITCH MICRO R 6600W1K004B 466003 3B73361E SWITCH MICRO R 3B73361D 50CZZH 0CZZW1H003K CAPACITOR DRAWING HIGH VOLTAGE R 0CZZW1H002K...

Page 37: ...3900A LEG R 948501 4B73438T CUSHION R 948502 4B73438L CUSHION R 948503 3B72244G CUSHION R WSZ002 1SBF0402418 SCREW TAP TITE S BINDING HEAD R WSZ085 4B70188C SCREW DRAWING R WSZ196 1SZZW2A001B SCREW DRAWING R WTP002 1TPL0302018 SCREW TAPPING PAN HEAD R WTP013 1TPL0402418 SCREW TAPPING PAN HEAD R WTT010 1TTG0402422 SCREW TAPPING TRUSS HEAD R WTT021 1TTL0402418 SCREW TAPPING TRUSS HEAD R WTT028 1TTL0...

Page 38: ...LATOR R 35889A 5889W2A005J ROTATING RING ASSEMBLY R 36549S 6549W1S011D MOTOR CIRC SYNCHRONOUS R 43500A 3500W1A008A BOARD LATCH R 43501A 3501W1A003U BOARD ASSEMBLY LATCH R 466001 3B73362F SWITCH MICRO R 3B73362E 466001 3B73362F SWITCH MICRO R 6600W1K004C 466003 3B73361E SWITCH MICRO R 6600W1K004B 466003 3B73361E SWITCH MICRO R 3B73361D 50CZZH 0CZZW1H003K CAPACITOR DRAWING HIGH VOLTAGE R 0CZZW1H002K...

Page 39: ...8503 3B72244G CUSHION R WSZ002 1SBF0402418 SCREW TAP TITE S BINDING HEAD R WSZ085 4B70188C SCREW DRAWING R WSZ196 1SZZW2A001B SCREW DRAWING R WTP002 1TPL0302018 SCREW TAPPING PAN HEAD R WTP013 1TPL0402418 SCREW TAPPING PAN HEAD R WTT010 1TTG0402422 SCREW TAPPING TRUSS HEAD R WTT021 1TTL0402418 SCREW TAPPING TRUSS HEAD R WTT028 1TTL0402818 SCREW TAPPING TRUSS HEAD R WTT037 1TTL0403818 SCREW TAPPING...

Page 40: ...30W 4930W3B029A HOLDER WIRE R 34960A 4960W3G026A MOUNT R 35012A 5012W3A012A INSULATOR R 35889A 5889W2A005J ROTATING RING ASSEMBLY R 36549S 6549W1S011D MOTOR CIRC SYNCHRONOUS R 43500A 3500W1A004A BOARD LATCH R 43501A 3501W1A003H BOARD ASSEMBLY LATCH R 466001 3B73362F SWITCH MICRO R 6600W1K004C 466003 3B73361E SWITCH MICRO R 6600W1K004B 50CZZH 6120W3H003K CAPACITOR DRAWING HIGH VOLTAGE R 0CZZW1H002K...

Page 41: ...438T CUSHION R 948502 4B73438L CUSHION R 948503 3B72244G CUSHION R WSZ002 1SBF0402418 SCREW TAP TITE B PAN HEAD R WSZ085 4B70188C SCREW DRAWING R WSZ196 1SZZW2A001B SCREW DRAWING R WTP002 1TPL0302018 SCREW TAPPING PAN HEAD R WTP013 1TPL0402418 SCREW TAPPING PAN HEAD R WTT010 1TTG0402422 SCREW TAPPING TRUSS HEAD R WTT021 1TTL0402418 SCREW TAPPING TRUSS HEAD R WTT028 1TTL0402818 SCREW TAPPING TRUSS ...

Page 42: ...LATOR R 35889A 5889W2A005J ROTATING RING ASSEMBLY R 36549S 6549W1S011D MOTOR CIRC SYNCHRONOUS R 43500A 3500W1A008A BOARD LATCH R 43501A 3501W1A003U BOARD ASSEMBLY LATCH R 466001 3B73362F SWITCH MICRO R 3B73362E 466001 3B73362F SWITCH MICRO R 6600W1K004C 466003 3B73361E SWITCH MICRO R 6600W1K004B 466003 3B73361E SWITCH MICRO R 3B73361D 50CZZH 0CZZW1H003K CAPACITOR DRAWING HIGH VOLTAGE R 0CZZW1H002K...

Page 43: ...73900A LEG R 948501 4B73438T CUSHION R 948502 4B73438L CUSHION R 948503 3B72244G CUSHION R WSZ002 1SBF0402418 SCREW TAP TITE S BINDING HEAD R WSZ085 4B70188C SCREW DRAWING R WSZ196 1SZZW2A001B SCREW DRAWING R WTP002 1TPL0302018 SCREW TAPPING PAN HEAD R WTP013 1TPL0402418 SCREW TAPPING PAN HEAD R WTT010 1TTG0402422 SCREW TAPPING TRUSS HEAD R WTT021 1TTL0402418 SCREW TAPPING TRUSS HEAD R WTT028 1TTL...

Page 44: ...ULATOR R 35889A 5889W2A005J ROTATING RING ASSEMBLY R 36549S 6549W1S011D MOTOR CIRC SYNCHRONOUS R 43500A 3500W1A008A BOARD LATCH R 43501A 3501W1A003U BOARD ASSEMBLY LATCH R 466001 3B73362F SWITCH MICRO R 3B73362E 466001 3B73362F SWITCH MICRO R 6600W1K004C 466003 3B73361E SWITCH MICRO R 6600W1K004B 466003 3B73361E SWITCH MICRO R 3B73361D 50CZZH 0CZZW1H003K CAPACITOR DRAWING HIGH VOLTAGE R 0CZZW1H002...

Page 45: ...48503 3B72244G CUSHION R WSZ002 1SBF0402418 SCREW TAP TITE S BINDING HEAD R WSZ085 4B70188C SCREW DRAWING R WSZ196 1SZZW2A001B SCREW DRAWING R WTP002 1TPL0302018 SCREW TAPPING PAN HEAD R WTP013 1TPL0402418 SCREW TAPPING PAN HEAD R WTT010 1TTG0402422 SCREW TAPPING TRUSS HEAD R WTT021 1TTL0402418 SCREW TAPPING TRUSS HEAD R WTT028 1TTL0402818 SCREW TAPPING TRUSS HEAD R WTT037 1TTL0403818 SCREW TAPPIN...

Page 46: ...8 1 SCHEMATIC DIAGRAM OF P C B ...

Page 47: ... PRINTED CIRCUIT BOARD Buyer Buyer Model Rating Label LGEAP MS 324SCE ECN MS 324SCE 01 LGEAP MS 325SCE ECN MS 325SCE 01 First check the rating label on the back of oven and order SVC parts accoding to ECN ...

Page 48: ... PRINTED CIRCUIT BOARD Buyer Buyer Model Rating Label LGEAP MS 324SCE ECN MS 324SCE 02 LGEAP MS 325SCE ECN MS 325SCE 02 First check the rating label on the back of oven and order SVC parts accoding to ECN ...

Page 49: ...ED CERAMIC 220PF D 50V 10 B Y5P TA26 R C84 0CK2210K518 CAPACITOR FIXED CERAMIC 220PF D 50V 10 B Y5P TA26 R CU4 4850W4C001A CUSHION 3 5T 15W 40L RUBBER BLACK R D01 0DD400209AA DIODE RECTIFIERS 1N4002 PYUNG CHANG TP26 DO41 100V R D02 0DD400209AA DIODE RECTIFIERS 1N4002 PYUNG CHANG TP26 DO41 100V R D03 0DD400209AA DIODE RECTIFIERS 1N4002 PYUNG CHANG TP26 DO41 100V R D10 0DD400209AA DIODE RECTIFIERS 1...

Page 50: ...OR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 R R55 0RD1004F608 RESISTOR FIXED CARBON FILM 1M OHM 1 6 W 5 TA26 R R60 0RD4702F608 RESISTOR FIXED CARBON FILM 47K OHM 1 6 W 5 TA26 R R61 0RD2701F608 RESISTOR FIXED CARBON FILM 2 7K OHM 1 6 W 5 TA26 R R62 0RN2003F408 RESISTOR FIXED METAL FILM 200K OHM 1 6 W 1 TA26 R R63 0RN1001F408 RESISTOR FIXED METAL FILM 1K OHM 1 6 W 1 TA26 R R64 0RN6201F408 RESISTOR FIX...

Page 51: ...455800A IC LINEAR KIA4558P KEC 8DIP BK LIN OPAMP R ZD1 0DZ510009AE DIODE ZENERS UZ5 1BS B GRADE 2 PERCENT R ZD2 0DZ750009AC DIODE ZENERS UZ 7 5BS PYUNG CHANG TP26 DO34 R Buyer Buyer Model Rating Label LGEAP MS 324SCE ECN MS 324SCE 01 LGEAP MS 325SCE ECN MS 325SCE 01 First check the rating label on the back of oven and order SVC parts accoding to ECN ...

Page 52: ...M002A RESONATOR CERAMIC CSTS0400 MURATA 4MHZ 0 5 TP 15PF R CU4 4850W4C001A CUSHION 3 5T 15W 40L RUBBER BLACK R D01 0DD400209AA DIODE RECTIFIERS 1N4002 PYUNG CHANG TP26 DO41 100V R D02 0DD400209AA DIODE RECTIFIERS 1N4002 PYUNG CHANG TP26 DO41 100V R D03 0DD400209AA DIODE RECTIFIERS 1N4002 PYUNG CHANG TP26 DO41 100V R D10 0DD400209AA DIODE RECTIFIERS 1N4002 PYUNG CHANG TP26 DO41 100V R D11 0DD400209...

Page 53: ...OHM 1 8 W 5 2012 R TP R R51 0RH3900L622 RESISTOR METAL GLAZED CHIP 390 OHM 1 8 W 5 2012 R TP R R52 0RH2001L622 RESISTOR METAL GLAZED CHIP 2K OHM 1 8 W 5 2012 R TP R R54 0RH0000L622 RESISTOR METAL GLAZED CHIP 0 OHM 1 8 W 5 2012 R TP R R55 0RH1004L622 RESISTOR METAL GLAZED CHIP 1MOHM 1 8 W 5 2012 R TP R R60 0RH4702L622 RESISTOR METAL GLAZED CHIP 47K OHM 1 8 W 5 2012 R TP R R61 0RD2701F608 RESISTOR F...

Page 54: ...AWING HD404339 64PIN SDIP BK AUSTRALIA R U05 0ISS791500A IC LINEAR KA7915 FAIRCHILD 3PIN TO220 BK R U06 0IKE455800A IC LINEAR KIA4558P KEC 8DIP BK LIN OPAMP R ZD1 0DZ510009AE DIODE ZENERS UZ5 1BS B GRADE 2 PERCENT R ZD2 0DZ750009AC DIODE ZENERS UZ 7 5BS PYUNG CHANG TP26 DO34 R R SERVICE PARTS Buyer Buyer Model Rating Label LGEAP MS 324SCE ECN MS 324SCE 02 LGEAP MS 325SCE ECN MS 325SCE 02 First che...

Page 55: ...P NO 3828W5S1991 Feb 2002 Printed in Korea ...

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