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5001

* Check the
Model No.

5014

W101

9002

W101

W208

W109

5010

5016

5012

5003

5041

W110

5007

5009

5002

5000

5018

5015

5006

3006

9000

5040

W101

3007

#EV#

INTERIOR PARTS (II)

Model: 721.62252201

721.62259201
721.62253201
721.63263301

Check the rating label of

Model

and order

SVC parts according to the

Model No.

Содержание 721.62252200

Страница 1: ...N 20 BASIC FIELD MANUAL FOR MICROWAVE OVEN MODEL 721 62252200 721 62252201 721 62259200 721 62259201 721 62253200 721 62253201 721 63263300 721 63263301 May 2005 MODEL 721 62252 721 62259 721 62253 72...

Страница 2: ...proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired adjusted by...

Страница 3: ...dure for Measuring Microwave Energy Leakage 12 13 9 Disassembly Instructions 14 18 10 Interlock Continuity Test 19 11 Test and Checkout Procedures and Troubleshooting A Test Procedures 20 22 B Checkou...

Страница 4: ...o step 3 and follow all steps in order ADJUST THE LATCH AND SWITCH CLOSINGS 3 Loosen the two screws holding the plastic latch board as shown 4 With the oven door closed tightly move the latch board up...

Страница 5: ...4 LATCH BOARD MONITOR INTERLOCK SWITCH PRIMARY INTERLOCK SWITCH SECONDARY INTERLOCK SWITCH LATCH LATCH BOARD 0 1 64 0 1 64 A DOOR LATCH DOOR LATCH Figure 1 a Figure 1 b...

Страница 6: ...cavity light comes on The unit will begin cooking and the display window will show the time counting down by seconds E After about 5 minutes make sure the primary interlock switch the secondary interl...

Страница 7: ...Interlock Monitor Magnetron 2M282J High Voltage Capacitor Capacitor 1 05 F 2 1 KV Ac High Voltage Diode 350mA 9 0 KV Cavity Lamp 125 V 20 W Timer Digital up to 99 mim 99 sec in each cooking stage Tray...

Страница 8: ...S 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 COMPONE...

Страница 9: ...8 A II SCHEMATIC DIAGRAM Check the Model No ADD Noise filter...

Страница 10: ...9 B MATRIX CIRCUIT FOR TOUCH KEY BOARD Figure 4...

Страница 11: ...the oven or clear entries 7 EXPRESS DEFROST This pad provides you with the quick defrosting method for 1 0 pound frozen foods 8 AUTO COOK Touch this pad to select programming food items 9 KITCHEN TIM...

Страница 12: ...TOP CLEAR 2 Touch EXPRESS DEFROST 7 AUTO DEFROST 1 Touch STOP CLEAR 2 Touch AUTO DEFROST Three different defrosting levels are provided Touch 1 Meat Touch 2 Poultry Touch 3 Fish 3 Enter the weight of...

Страница 13: ...cm sq And always start measuring of an unknown field to assure safety for operating personnel from radiation leakage NOTE The standard is 5mW cm sq while in the customer s home 1mW cm sq stated here i...

Страница 14: ...o enter the information on the service invoice 2 Should the microwave energy leakage not be more than 1mW cm sq after determining that all parts are in good condition functioning properly and genuine...

Страница 15: ...CASE Figures 8 1 Remove three screws from the rear section 2 Remove one screw from the side section 3 Push the outer case back about 1 inch 3cm 4 Lift the case from the set B REMOVING POWER AND CONTRO...

Страница 16: ...ormally 2 After replacing the door check for microwave energy leakage with a survey meter Microwave energy must be below the limit of 5 mW cm sq with a 275 ml water load 3 When mounting the door assem...

Страница 17: ...round the magnetron Microwave energy must be below the limit of 5 mW cm2 With a 275 ml water load Make sure that gasket is rigidly attached to the magnetron To prevent microwave leakage tighten the mo...

Страница 18: ...embly to the suction guide ass y G HIGH VOLTAGE TRANSFORMER REMOVAL 1 Discharge the high voltage capacitor 2 Disconnect the wire lead from magnetron high voltage transformer and capacitor 3 Remove the...

Страница 19: ...CHANISM 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...

Страница 20: ...ion 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 switc...

Страница 21: ...N THE OVEN HIGH VOLTAGE TRANSFORMER Wire leads removed MAGNETRON Wire leads removed Approx 0 4 0 6 ohm Approx 70 100 ohm Less than 1 ohm Normal Infinite Normal Infinite Normal Less than 1 ohm Normal I...

Страница 22: ...rmal 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...

Страница 23: ...scale R X 1000 Normal A Approx 95 120 ohm B Approx 10 25 ohm Abnormal Infinite or several ohm Normal Approx 100 150 ohm Abnormal Infinite or several ohm Normal Approximately BK RD 5 2 Kohm RD WH 2 1...

Страница 24: ...DJUSTMENT PROCEDURES on page 3 when the primary interlock secondary interlock switches and or the interlock monitor switches are adjusted or replaced 23 PROBLEMS CAUSES Fuse blows immediately after th...

Страница 25: ...of I O CON from the circuit board does the unit still operate Replace the circuit board NO NO YES GOOD PROBLEM B FAN motor and oven lamp turn on When the door is closed and START key is touched Check...

Страница 26: ...ormal relay continuously operates 3 The buzzer does not sound or continues to sound 4 Some segments of one or more digits do not light up or they continue to light up or segments light when they shoul...

Страница 27: ...metallic ware for cooking except where noted in the cooking guide Do not use any type of cookware with metallic trimming CAUSE REMEDY C TROUBLE SHOOTING CAUTIONS 1 Check grounding before checking for...

Страница 28: ...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...

Страница 29: ...on of the monitor switch Replace fuse primary monitor switches and RELAY RY2 of P C B Assembly Check continuity of monitor switch with door closed Continuity No continuity Shorted contact at the prima...

Страница 30: ...p 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 qu...

Страница 31: ...ity 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...

Страница 32: ...PARTS BASE PLATE PARTS OVEN CAVITY PARTS LATCH BOARD PARTS INTERIOR PARTS SENSOR PARTS EV EXPLODED VIEW INTRODUCTION Model 721 62252200 721 62252201 721 62259200 721 62259201 721 62253200 721 6225320...

Страница 33: ...32 1004 1000 1001 1005 1003 1007 1006 1013 1002 1381 For Model 721 62253 721 63263 EV DOOR PARTS...

Страница 34: ...33 2000 2002 2001 2006 2004 2381 W106 EV CONTROL PANEL PARTS MODEL 721 62259 721 62252...

Страница 35: ...34 2004 2381 2001 2003 2005 2382 2006 W106 EV CONTROL PANEL PARTS MODEL 721 62253 721 63263...

Страница 36: ...35 3009 3034 3003 W105 3002 W118 For Model 721 62252 721 63263 W107 W103 3001 3008 For Model 721 62259 721 62253 EV OVEN CAVITY PARTS...

Страница 37: ...36 W102 4002 4000 4003 4002 4004 EV LATCH BOARD PARTS MODEL 721 62259 721 62252...

Страница 38: ...37 W102 4002 4003 4002 4000 EV LATCH BOARD PARTS MODEL 721 62253 721 63263...

Страница 39: ...W101 9002 W101 W101 W208 W208 W109 W109 5010 5016 5012 5003 W110 5007 5009 5002 5000 5018 5015 5006 3006 9000 5040 W101 3007 5001 5005 EV INTERIOR PARTS I Model 721 62252200 721 62259200 721 62253200...

Страница 40: ...101 W101 9002 W101 W101 W208 W208 W109 W109 5010 5016 5012 5003 5041 W110 5007 5009 5002 5000 5018 5015 5006 3006 9000 5040 W101 3007 EV INTERIOR PARTS II Model 721 62252201 721 62259201 721 62253201...

Страница 41: ...40 5008 6000 6001 W108 W101 W109 6002 9001 EV BASE PLATE PARTS...

Страница 42: ...41 W108 5011 W136 5004 EV SENSOR PARTS...

Страница 43: ...Printed in Korea P NO 3828W5S5229...

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