Daewoo KOC-984T2S Service Manual

Service ManualMicrowave OvenModel: KOC-984T2S13DAEWOO ELECTRONICS CO., LTD.http://svc.dwe.co.krS/M NO. : C984T2S132✔ Caution: In this Manual, some pa

91. To remove cabinet 1) Remove four screws on cabinet back.2) Push the cabinet backward.2. To remove guide wind assembly1) Remove two screws for ear

103. To remove H.V. transformer 1) Remove four screws which secure the H.V. Transformer to the base plate.2) Remove the H.V. Transformer.3) Reverse th

115. To remove magnetron1) Remove three screws which secure the magnetron.2) Remove the magnetron.3) Reverse the above steps for reassembly.CAUTION :

126. To remove control panel assembly (1) Remove a screw which secure the control panel assemblyto the oven front plate.At the same time, draw forward

137. 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

149. Method to reduce the gap between the door seal and the oven front surface.(1) To reduce gap located on part ‘A’• Loosen two screws on stopper hin

1510. To remove motor syncro and under heater: 1) Cut the syncro motor cover parts from the base plate.2) Remove two screws which secure the motor syn

1612. To remove convection part assembly1) Remove cover *b and cover insulator *b protecting convection part assembly. - release two lances of cover i

17The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation whenthe door is opened during oper

18(TROUBLE 1) Oven does not operate at all ; any inputs can not be accepted.TROUBLE SHOOTING GUIDE Condition Check Result Cause RemedyFuse blowsCheck

1PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVE ENERGY(a) Do not operate or allow the oven to

19(TROUBLE 3) Grill heater (top heater) is heated; Food will not become hot.Condition Check Result Cause RemedyReplace Outlet hasproper voltage.Fus

20(TROUBLE 3) No microwave oscillation even though fan motor rotates.ConditionNomicrowaveoscillationCheck Result Cause RemedyCheck continuityof hig

21(TROUBLE 4) Display shows all figures selected, but oven does not start cooking, even though desired programand time are set and start pad is tap

22Malfunction ofbutton keyboardReplace the buttonkeyboard(TROUBLE 4) The following visual conditions indicate a probable defective touch control ci

23BUTTON KEYBOARD CHECK PROCEDURE1. Type of button nameskey matrix and circuit diagramThe tact switch keyboard consists of 10 keys which configuration

24MEASUREMENT AND TEST1. MEASUREMENT OF THE MICROWAVE POWER OUTPUTMicrowave output power can be checked by indirectly measuring the temperature rise o

252. ELECTRICAL CONTINUITY CHECK OF INTERLOCK SWITCHPROCEDURE1. Primary interlock switch1) Disconnect two connectors from primary interlock switch.2)

263. MICROWAVE RADIATION TESTPROCEDURES1. Prepare Microwave Energy Survey Meter, 600cc glassbeaker, and glass thermometer 100˚C(212˚F).2. Pour 275cc±1

274. COMPONENT TEST PROCEDURE• High voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle.• It is n

28WIRING DIAGRAM

2SAFETY AND PRECAUTIONS1. FOR SAFE OPERATIONDamage that allows the microwave energy (that cooks or heats the food) to escape will result in poor cooki

29SCHEMATIC DIAGRAM

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32EXPLODED VIEWS AND PARTS LIST

33REF NO PART CODE PART NAME DESCRIPTION Q'TY REMARKA00 3511712900 DOOR AS KOC-984T1S13 1B00 PKCPSWYB10 CONTROL-PANEL AS KOC-984T(SEQUENTIAL) 1F0

34REF NO PART CODE PART NAME DESCRIPTION Q'TY REMARKF43 3512515300 GUIDE WIND PP 1F44 3963513010 MOTOR SHADED POLE 230V 25W MW15CA-B01 1F45 71214

351. CIRCUIT CHECK PROCEDURE1. Low Voltage Transformer check• The low voltage transformer is located on the P.C.B.• Measuring condition(input voltage)

363. Display Problems• The display trouble shooting dataNO CAUSE MEASUREMENT RESULT REMEDY1 Poor contact between P.C.B. Check the voltage of display

374. Case of no microwave oscillation(1) Situation : When touching M/W button, oven lamp turns on, fan motor and turntable motor rotate and cook indic

38• Check method5. Case of no heating of upper heaterWhen touching TEMP COOK & COMBI button, oven lamp turns on, fan motor and turntable motor rot

3MODEL KOC-984T2S13POWER SUPPLY 240V-50Hz MICROWAVE 1450 W GRILL 1200W POWER CONSUMPTION CONVECTION 1550WPROGRAM COOK 1850WCOMBINATION 1550W (Sequenti

397. Case of no stopping of the count down timerWhen the door is opened during operation, the count down timer does not stop.• Check method8. Case of

40P.C.B CIRCUIT DIAGRAM

41NAME SYMBOL SPECIFICATION PART CODE Q'TYPCBM218 93X213 3514314980 1M219 91.5X163 3514314990 1BUZZER BZ1 BM-20K 3515600100 1CONNECTOR WAFER CN1

S/M NO. : C984T2S132DAEWOO ELECTRONICS CO., LTD.686, AHYEON-DONG MAPO-GU SEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOE

4EXTERNAL VIEW1. OUTER DIMENSION350320345526234496

51 Door seal—Door seal maintains the microwave ener-gy within the oven cavity and prevents microwave leak-age.2 Door hook—When the door is closed, it

61. Steady, flat locationThis microwave oven should be set on a steady, flat surface.This microwave oven is designed for counter top use only.2. Leave

7CONTROL PANEL4. FISH FILLETSPEEDY COOKSTOP/CLEAR START/CLOCK_5. VEGETABLE+PROGRAM COOK2. ROAST PORK1. ROAST BEEF3. ROAST CHICKENDEFROSTGRILLM/WPROGRA

8DISASSEMBLY AND ASSEMBLYCautions to be observed when trouble shooting.Unlike many other appliances, the microwave oven is high-voltage, high-current