LG MS-1145KYL Скачать руководство пользователя страница 33 | Manualshive

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7-1

REPLACEMENT PARTS LIST

LOC.

NO.

*01

3828W5A8445

Manual,Owners

R

*02

MFL31039201

Manual,Service

R

*10

MAY30330201

Box,Color

R

13213A

3213W0A012A

Frame Assembly,Door

R

13536A

3536W1A003E

Tape,Sealing

R

13551A

383EW1A112A

Parts Assembly

R

13552A

3552W0A017A

Cover,Choke

R

13581A

3581W0A127J

Door Assembly

R

13650A

3650W1A156B

Handle,Door

R

14026A

4026W1A036A

Locker

R

14890A

4890W1A067A

Window

R

14970A

4970WRA001E

Spring

R

23551A

383EW5A327F

Parts Assembly

R

24781M

4781W1A301D

Controller Assembly,Sub

R

268711

6871W1A449C

PCB Assembly,Sub

R

6871W1S283K

33052A

3052W1A007A

Cover,Resin

R

33112U

3112W0U082F

Case,U Bending

R

33390G

3390W1A044B

Tray,Glass

R

3390W1A044A

35889A

5889W0A001A

Turntable Assembly

R

36549S

6549W1S021B

Motor,AC

R

6549W1S011B

36549S

6549W1S021B

Motor,AC

R

6549W1S017A

43500A

3500W1A034B

Holder,Locker

R

43501A

3501W1A042B

Holder Assembly,Locker

R

466001

6600W1K004F

Switch,Micro

R

6600W1K001D

466001

6600W1K004F

Switch,Micro

R

6600W1K003D

466003

6600W1K004E

Switch,Micro

R

6600W1K003C

466003

6600W1K004E

Switch,Micro

R

6600W1K001C

50CZZH

0CZZW1H004B

Capacitor,AL,Radial

R

0CZZW1H004G

50CZZH

0CZZW1H004B

Capacitor,AL,Radial

R

0CZZW1H001Q

50FZZA

3B74133Q

Fuse,Time Delay

R

3B74133K

54810C

4810W4C003B

Bracket,Capacitor

R

54974S

4974W1S052A

Guide,Suction

R

54980A

4980W3A038A

Supporter

R

55262A

5262W2A037C

Duct

R

55900A

5900W1A004C

Fan

R

56170D

6170W1D112A

Transformer,Linear

R

56201A

6201W1A014A

Drawing,Assembly

R

6201W1A014B

56201A

6201W1A014A

Drawing,Assembly

R

6201W1A014E

56324A

6324W1A001L

Magnetron

R

6324W1A001B

56411A

6411W1A031M

Power Cord Assembly

R

6411W1A031N

56549F

6549W1F005Q

Motor,AC

R

56851D

6851W1A002B

Drawing,Assembly

R

6021W3B001G

56851D

6851W1A002B

Drawing,Assembly

R

6021W3B001V

568771

6877W1A346C

Drawing,Assembly

R

56912B

6912W3B002L

Lamp,Incandescent

R

56930V

6930WRT002F

Thermostat

R

63302A

3302W0A059A

Plate,Base

R

948501

3B72244T

Damper

R

948502

3B72244C

Damper

R

948503

3B72245R

Damper

R

WEB001

1EBF0402494

Screw,Taptite

R

PART NO.

DESCRIPTION

SVC

ALTERNATE

R : SERVICE PARTS

Rev.1 May 03, 2006

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Содержание MS-1145KYL

Страница 1: ...ICROWAVE OVEN SERVICE MANUAL MODEL MS 1145KYL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http biz lgservice com P NO MFL31039201 September 2005 Printed in Korea ...

Страница 2: ...r 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 connections D Any defective or misadjusted components in the interlock monitor door seal...

Страница 3: ...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 ...

Страница 4: ...uch 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 Med Low approx 50 4 Defrost approx 40 3 Low approx 30 2 Simmer approx 20 1 Warm approx 10 Owner s manual Glass turntable Roller Rest ITEM Model Power Requirement Power Output Mic...

Страница 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 from...

Страница 6: ...d flat surface at least 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 w...

Страница 7: ...ER Used to set for time of day cooking time power level or defrost weight 6 CLOCK Used to set the time of day 7 QUICK START Allows you to cook for 30 seconds at 100 power by simply touching this pad You can also extend cooking time in multiples of 30 seconds by repeatedly touching this pad during cooking 8 TIME Used to cook food for a desired time 9 CONTADOR DE TIEMPO 10 POWER Used to select power...

Страница 8: ...ed or to the clock 3 ONE TOUCH COOKING NOTE Heat only 1 package at a time 4 TIME COOKING 5 MULTI STAGE COOKING 1ST STAGE 2ND STAGE 6 AUTO DEFROST COOKING 7 CHILD LOCK This oven has a CHILD LOCK feature TO SET CHILD LOCK Touch the pad Touch and hold 0 pad L appear on the display TO CANCEL CHILD LOCK Touch the pad Touch and hold 0 pad L disappear PARAR BORAR RELOJ RELOJ NUMBER PALOMITAS PARAR BORAR ...

Страница 9: ...SCHEMATIC DIAGRAM 4 3 ...

Страница 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...

Страница 11: ...nt openings for microwave leakage Check for microwave leakage after every servicing The power density of the microwave radiation leakage emitted by the microwave oven should not exceed 4 mW cm2 Always start measuring of an unknown field to assure safety for operating personnel from radiation leakage NECESSARY MEASURING INSTRUMENTS TESTER VOLTS DC AC Ohmmeter Microwave survey meter Holaday HI 1500 ...

Страница 12: ... deflection The 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 befween the handle and the probe When testing near a corner of the door keep the probe perpendicular to the surface making sure the probe is mov...

Страница 13: ...er of approximately 190 mm The oven and the empty vessel are at ambient temperature prior to the start of the test The initial temperature T1 of the water is 10 2 C It is measured immediately before the water is added to the vessel After addition of the water to the vessel the load is immediately placed on the center of the turntable which is in the lowest position and the microwave power switched...

Страница 14: ...ance between the door and the oven E HIGH VOLTAGE TRANSFORMER REMOVAL 1 Discharge the high voltage capacitor 2 Disconnect the leadwire from magnetron high voltage transformer and capacitor 3 Remove the screw holding the high voltage transformer to the baseplate F FAN MOTOR ASSEMBLY REMOVAL 1 Discharge the high voltage capacitor 2 Disconnect the leadwire from fan motor and high voltage capacitor 3 ...

Страница 15: ...sure that gasket is rigidly attached to the magnetron To prevent microwave leakage tighten the mounting screws properly making sure there is no gap between the waveguide and the magnetron J REMOVING THE TURNTABLE MOTOR 1 Remove the turntable 2 Remove the turntable shaft VERY CAREFULLY with a slotted screwdriver 3 Lay the unit down on its back 4 Remove the turntable motor cover The turntable base c...

Страница 16: ...ONITOR SECONDARY SWITCHES TO THE LATCH BOARD 3 INSTALLATION AND ADJUSTMENT OF THE LATCH BOARD TO THE OVEN ASSEMBLY Mount the latch board to the oven assembly Adjust the latch board in the arrow direction so that oven door will not have any play in it when the door is closed Tighten the mounting screw Check for play in the door by pushing the door release button Door movement should be less than 0 ...

Страница 17: ...tion When the door is closed 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 c...

Страница 18: ...VOLTAGE TRANSFORMER Wire leads removed MAGNETRON Wire leads removed Approx 0 3 0 8 ohm Approx 100 200 ohm Less than 1 ohm Normal Infinite Normal Infinite Normal Less than 1 ohm Normal Infinite PRIMARY TERMINAL SECONDARY TERMINAL WINDING FILAMENT TERMINAL COMPONENTS TEST PROCEDURE RESULTS 1 Measure the resistance Ohm meter scale Rx1 and Rx100 Primary winding Secondary winding Filament winding 2 Mea...

Страница 19: ...ormal Momentarily indicates several ohms and then gradually returns to infinite Normal Infinite Normal Continuity Abnormal Infinite Normal Infinite Abnormal Continuity Measure the resistance Ohm meter scale Rx1000 Terminal to case Measure the continuity Forward Ohm meter scale Rx10000 Measure the continuity Reverse Ohm meter scale Rx10000 HIGH VOLTAGE DIODE NOTE Some inexpensive meters may indicat...

Страница 20: ...T POSITION WHEN REMOVING THE WIRE LEADS FROM THE PARTS BE SURE TO GRASP THE CONNECTOR NOT THE WIRES Relay 1 Relay 2 A RD B BK C WH Measure the resistance Ohm meter scale R x 1000 Normal A B Approx 65 80 ohm B C Approx 10 30 ohm A C Approx 85 105 ohm Abnormal Infinite or several ohm Normal Approx 100 150 ohm Abnormal Infinite or several ohm POWER LEVEL 1 2 3 4 5 6 7 8 9 10 4 sec 6 sec 8 sec 10 sec ...

Страница 21: ...tallic ware for cooking except where noted in the cooking guide Do not use any type of cookware with metallic trimming CAUSE REMEDY TROUBLE SHOOTING CAUTIONS 1 Check grounding before checking for trouble 2 Be careful of the high voltage circuit 3 Discharge the high voltage capacitor See page 2 1 4 When checking the continuity of the switches or of the high voltage transformer disconnect one lead w...

Страница 22: ...ce key membrane assembly Defective PCB assembly Replace PCB assembly TROUBLE 1 The following visual conditions indicate a probable defective control circuit 1 Incomplete segments Segment missing Partial segment missing Digit flickering NOTE Slight flickering is normal 2 Colon does not turn on or blink 3 A distinct change in the brightness of one or more numbers in display 4 One or more digits in t...

Страница 23: ...ntinuity No continuity Malfunction of the monitor switch Replace fuse primary monitor secondary switches and RELAY RY2 of P C B Assembly Check continuity of monitor switch with door closed Continuity No continuity Shorted contact at the primary switch Replace fuse primary monitor secondary switches and RELAY RY2 of P C B Assembly Check continuity of primary switch with door opened Normal Replace f...

Страница 24: ... Defective PCB assembly Loose connection Output is low Lower than 90 of rating voltage Normal Decrease in power source voltage with load Suggest customer contact local electric power utility co or qualified electrician Check the power source voltage Disconnect the wire leads from relay 2 and check on and off time with multitester Measure the output power Abnormal Abnormal Normal Defective PCB asse...

Страница 25: ...relay 2 Operate the unit Defective PCB assembly Replace PCB assembly Replace high voltage transformer Defective high voltage capacitor Replace high voltage capacitor Abnormal normal Check high vol tage transformer Abnormal normal Check high vol tage capacitor Defective high voltage diode Replace high voltage diode Abnormal normal Check high vol tage diode Defective magnetron Replace magnetron Abno...

Страница 26: ...OVEN CAVITY PARTS INTERIOR PARTS BASE PLATE PARTS LATCH BOARD PARTS CONTROL PANEL PARTS DOOR PARTS 6 1 EXPLODED VIEW INTRODUCTION MODEL MS 1145KYL EV ...

Страница 27: ...6 2 DOOR PARTS 13581A 14970A 14026A 13650A WTT028 13552A 13213A 14890A 13551A 13536A EV ...

Страница 28: ...6 3 CONTROLLER PARTS 23551A 268711 WTT028 24781M EV ...

Страница 29: ...6 4 OVEN CAVITY PARTS 33390G 35889A WTT021 33112U WTP013 36549S 33052A WTT010 EV ...

Страница 30: ...6 5 LATCH BOARD PARTS 466001 466003 WSZ085 466001 43500A 43501A EV ...

Страница 31: ...INTERIOR PARTS 568771 56930V 56411A WTT028 56324A WSZ002 WEB001 WTT037 50CZZH 54810C 56851D 55900A 56549F 54974S WEB001 WEB001 WSZ002 50FZZA 56201A 54980A 56912B 948503 WSZ002 948501 55262A 948502 948502 EV ...

Страница 32: ...6 7 BASE PLATE PARTS 63302A WTT021 WSZ002 56170D EV ...

Страница 33: ... 6600W1K004F Switch Micro R 6600W1K003D 466003 6600W1K004E Switch Micro R 6600W1K003C 466003 6600W1K004E Switch Micro R 6600W1K001C 50CZZH 0CZZW1H004B Capacitor AL Radial R 0CZZW1H004G 50CZZH 0CZZW1H004B Capacitor AL Radial R 0CZZW1H001Q 50FZZA 3B74133Q Fuse Time Delay R 3B74133K 54810C 4810W4C003B Bracket Capacitor R 54974S 4974W1S052A Guide Suction R 54980A 4980W3A038A Supporter R 55262A 5262W2A...

Страница 34: ... 4B70188C Screw Customzied R WTP013 1TPL0402418 Screw Tapping R WTT010 1TTG0402422 Screw Tapping R WTT021 1TTL0402418 Screw Tapping R WTT028 1TTL0402818 Screw Tapping R WTT037 1TTL0403818 Screw Tapping R PART NO DESCRIPTION SVC ALTERNATE R SERVICE PARTS ...

Страница 35: ......

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