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Service Manual

Microwave Oven

Model : KOR-180A0A

KOR-181G0A

DAEWOO ELECTRONICS CO., LTD.

http://svc.dwe.co.kr

S/M No.:

R180A0A002

Summary of Contents for 181GOA0A

Page 1: ...Service Manual Microwave Oven Model KOR 180A0A KOR 181G0A DAEWOO ELECTRONICS CO LTD http svc dwe co kr S M No R180A0A002...

Page 2: ...the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner...

Page 3: ...or is opened Do not attempt to defeat them DO NOT ATTEMPT TO SERVICE THIS APPLIANCE UNTIL YOU HAVE READ THIS SERVICE MANUAL 2 FOR SAFE SERVICE PROCEDURES 1 If the oven is operative prior to servicing...

Page 4: ...NERGY OUTPUT 1100 W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 589X339X488mm 23 2X13 3X19 2 in CAVITY DIMENSIONS W X H X D 399X278X451mm 15 7X10 9X17 8 in NET WEIGHT APPROX 18kg 39 7 lbs...

Page 5: ...EXTERNAL VIEW 1 OUTER DIMENSION 488 5...

Page 6: ...rom splashes of cooking foods 5 OVEN LAMP Automatically turns on during oven operating 6 SAFETY INTERLOCK SYSTEM 7 CONTROL PANEL 8 GLASS COOKING TRAY Made of special heat resisant glass The tray must...

Page 7: ...time to cooking 6 Less Used to remove time from cooking 7 Auto Defrost Used to defrost foods for weight 8 Power Used to set power level 9 Defrost Used to defrost foods for time 10 Kitchen Timer Used...

Page 8: ...present time are displayed 3 One touch Used to cook or reheat specific quantities of food 4 Auto cook Used to cook or reheat 5 More Used to add time to cooking 6 Less Used to remove time from cooking...

Page 9: ...e This microwave oven requires a current of approximately 3 amperes 120Volts 60Hz grounded outlet 1 A short power supply cord is provided to reduce the risks resulting from becoming entangled in or tr...

Page 10: ...pad is touched during the oven operation the oven stops cooking and all information retained To erase all information except the present time touch the STOP CLEAR pad once more If the oven door is op...

Page 11: ...ing repair work 2 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the operation has stopped electric charge remains in the high voltage capacitor When replac...

Page 12: ...2 To remove door assembly 1 Remove two screws which secure the stopper hinge top 2 Remove the door assembly from top plate of cavity 3 Reverse the above for reassembly NOTE After replacing the door a...

Page 13: ...710500 DOOR PAINTING AS KOR 180A 1 A05 3517005200 BARRIER SCREEN I PE T0 1 1 A06 3512301800 GASKET DOOR PP 1 A07 3513101400 HOOK POM 1 A08 3515101900 SPRING HOOK PW 1 1 1 1 1 Remove the gasket door fr...

Page 14: ...top and then push the door to contact the door seal to oven front surface Tighten two screws 2 To reduce gap located on part B Loosen two screws on stopper hinge under and then push the door to conta...

Page 15: ...A06 441G430171 BUTTON SPRING SWP DIA 0 7 1 A07 3516909600 BUTTON DOOR OPEN ABS AF 348 VT 0826 1 1 Remove the screw which secure the control panel push up two snap fits and draw forward the control pa...

Page 16: ...or a fully assembled oven with door normally closed 6 To remove high voltage capacitor 1 Remove a screw which secure the grounding ring terminal of the H V diode and the capacitor holder 2 Remove the...

Page 17: ...sembly 3 Pull the fan from the motor shaft 4 Remove two screws which secure the motor shaded pole 5 Remove the motor shaded pole 6 Reverse the above steps for reasembly 9 To remove H V transformer 1 R...

Page 18: ...the lock lever downward The lock lever presses the button of the interlock monitor switch to bring it under NO condition The lock lever presses the button of the secondary interlock switch to bring it...

Page 19: ...tion of the terminals and power cord before check the parts listed below CONDITION CHECK Check continuity of interlock monitor switch with door closed Check continuity of of primary interlock switch c...

Page 20: ...Adjust or replace Check D C voltage being supplied to RELAY RY2 coil Defective touch control circuit 0 V Replace Faulty contacts of RELAY RY2 or open relay coil Approx 15 VDC Replace Display do not s...

Page 21: ...dy Continuity Defective magnetron Replace Check resistance of primary and secondary coil of high voltage transformer 0 or Defective high voltage transformer Replace Check continuity of magnetron with...

Page 22: ...in time while counting down 9 Display counts down noticeable too fast while cooking 10 Display does not show the time of day when the clear pad is touched 11 Oven lamp and turntable motor do not stop...

Page 23: ...l the load is immediately placed on the center of the shelf which is in the lowest normal position 4 Microwave power is switched on 5 Heating time should be exactly A seconds Refer to table as followi...

Page 24: ...t air vents and the suction air vents 3 Measuring should be in a counter clockwise direction at a rate of 1 in sec If the leakage of the cabinet door seem is unknown move the probe more slowly 4 When...

Page 25: ...t on the highest resistance scale measure the resistance across the diode terminals Reverse the meter leads and again observe the resistance reading Meter with 6V 9V or higher voltage batteries should...

Page 26: ...WIRING DIAGRAM 26...

Page 27: ...ltage of the low voltage transformer changes in proportion to fluctuation of power source voltage 3 The allowable tolerance of the secondary voltage is within NOTE Each measure point must be measured...

Page 28: ...MP1 MP2 Mesure point 28...

Page 29: ...e door is opened during operation the count down timer does not stop refer to Circuit Diagram point 1 Check method 5 When the digital clock does not operate properly refer to Circuit Diagram point 5 I...

Page 30: ...2 PCB CIRCUIT DIAGRAM 30...

Page 31: ...7 16 RESISTOR R8 10 12 14 22 1 6W 1K 5 RD AZ102J 5 17 RESISTOR R11 20 21 1 6W 100K 5 RD AZ104J 3 18 RESISTOR R13 1 6W 200 5 RD AZ201J 1 19 RESISTOR R15 16 1 6W 10K 5 RD AZ103J 3 20 RESISTOR R17 1 6W 5...

Page 32: ...EXPLODED VIEW AND PARTS LIST 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY 32...

Page 33: ...MOTOR SHADED POLE 120V 30W OEM 15DWX1 B07 1 F12 3512522100 GUIDE WIND PP J640A 1 F13 3511800100 FAN PP 20 GLASS 1 F14 3518002900 MAGNETRON 2M218J MF P 1 F15 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X...

Page 34: ...N 1 F36 3966820200 MOTOR SYNCRO 120V 2W GM 16 12F17 1 F37 3518905300 THERMOSTAT OFF 75 ON 65 H 187 NB 1 F38 3513003400 HOLDER THERMOSTAT PBT 1 F39 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 2 F40 35114...

Page 35: ...DAEWOOELECTRONICSCO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE DEC 2001 S M NO R180A0A002...

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