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Service Manual

Microwave Oven

Model:  KOR-1P5CBA

DAEWOO ELECTRONICS CO., LTD.

S/M No. : 

R1P5CBA001

http : //svc.dwe.co.kr

Sep. 2002

Summary of Contents for KOR-1P5CBA

Page 1: ...Service Manual Microwave Oven Model KOR 1P5CBA DAEWOO ELECTRONICS CO LTD S M No R1P5CBA001 http svc dwe co kr Sep 2002...

Page 2: ...n 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 own...

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 560X344X483mm 22 0X13 5X19 in CAVITY DIMENSIONS W X H X D 369X221X400mm 14 5X8 7X15 7 in NET WEIGHT APPROX 16 5kg 36 4lbs T...

Page 5: ...5 EXTERNAL VIEW 560 483 344 1 OUTER DIMENSION...

Page 6: ...ened while the oven is operating the automatically shut off 4 4 Oven cavity 5 5 Door seal Door seal maintains the microwave energy within the oven cavity and prevents microwave leakage 6 6 Plate tray...

Page 7: ...ooking data 3 3 Defrost Used to defrost foods for time 4 4 Time Set Pad Used to set the cooking time or cook preprogrammed cooks 5 5 Check Used to check cooking data 6 6 Double Quantity Used to extend...

Page 8: ...ce This microwave oven requires a current of approximately 14 5 amperes 120Volts 60Hz grounded outlet 1 A short power supply cord is provided to reduce the risks resulting from becoming entangled in o...

Page 9: ...the oven is plugged in 8 When the STOP CLEAR pad is touched during the oven operation the oven stops cooking and all information retained To erase all information touch the STOP CLEAR pad once more I...

Page 10: ...nning repair work 2 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the operation stopped and electric charge remains in the high voltage capacitor When repl...

Page 11: ...ard 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 doo...

Page 12: ...LR4 POLE 4 10 MFZN 2 A09 3513101200 HOOK POM 1 A10 3515101800 SPRING HOOK PW1 1 A11 3512604800 HANDLE DOOR ABS CR COATING 1 A12 3513586900 LABEL AL1020 T0 5 1 A13 3515204900 STOPPER HINGE T AS KOC 1B0...

Page 13: ...e 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 cont...

Page 14: ...1 SCREW TAPPING T2S TRS 4X12 MFZN 4 1 Remove the screw which secure the control panel push up two snap fits and draw forward the control panel assembly 2 Remove four screws which secure the PCB assemb...

Page 15: ...mally closed Metalic gasket plate Cooling fin Filament terminal MAGNETRON Stub Magnetron antenna 6 To remove high voltage capacitor 1 Remove a screw which secure the grounding ring terminal of the H V...

Page 16: ...assembly 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...

Page 17: ...es 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...

Page 18: ...nection 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 switc...

Page 19: ...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 shown cou...

Page 20: ...body 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 wi...

Page 21: ...lay obviously jumps in time while counting down 9 Display counts down noticeable too fast while cooking 10 Display does not show the time of day when clear pad is touched 11 Oven lamp and turntable mo...

Page 22: ...e vessel 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...

Page 23: ...binet door seem door viewing screen the exhaust 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...

Page 24: ...he ohmmeter set 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 ba...

Page 25: ...25 WIRING DIAGRAM...

Page 26: ...r changes in proportion to fluctuation of power source voltage 3 The allowable tolerance of the secondary voltage is within 5 of nominal voltage NOTE Each measure point must be measured with GND point...

Page 27: ...27 MP1 MP2 Mesure point...

Page 28: ...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 If cloc...

Page 29: ...29 2 P C B CIRCUIT DIAGRAM...

Page 30: ...07AV 3519150540 1 18 IC EEPROM IC2 BR9020 W 137N9020W 1 19 PCB MAIN M187 90X90 3514328500 1 20 R ARRAY RA2 3 RGLD4X104J RA 85X104J 2 21 R ARRAY RA1 6P 5 1 8 100K OHM J RA 86X104J 1 22 RESISTOR R8 1 6W...

Page 31: ...31 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...

Page 32: ...ETRON RM259 STUD 1 F18 3513601500 LAMP BL 125V 25W T25 C5A H18 1 F19 3513816000 LOCK PP 1 F20 3513702100 LEVER SW MICRO POM 1 F21 4415A17352 SW MICRO VP 533A OF SPNO 187 1 F22 4415A66000 SW MICRO VP 5...

Page 33: ...S M NO R1P5CBA001 DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE Sep 2002...

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