Daewoo KOC-1B0K01 Service Manual

Service ManualMicrowave Oven Model: KOC-910K0SKOC-911K0SS/M No. : C910K0S001DAEWOO ELECTRONICS CO., LTD.http://svc.dwe.co.kr Dec. 2000 ✔ Caution: I

96. DISASSEMBLY AND ASSEMBLY- Cautions to be observed when trouble shooting.Unlike many other appliances, the microwave oven is high-voltage, high-cur

10NOTE: After replacting the door assembly, perform acheck of correct alignment with the hinge andcavity front plate.1. To remove cabinet 1) Remove f

11KOC-910KREF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKA01 3512603610 HANDLE DOOR PC 1A02 3512204810 FRAME DOOR PC 1A03 3517117100 BARRIER-SCREE

12(1) Remove the gasket door from door plate.(2) Remove screws from door plate.(3) Remove the door frame from door plate.(4) Remove the stopper hinge

135. To remove control panel parts.KOC-910KREF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKB01 3515501800 WINDOW DISPLAY PMMA 1B02 3516725200 CONTR

14REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKB01 3515501810 WINDOW DISPLAY PMMA 1B02 3516725210 CONTROL PANEL PC 1B03 3516909010 BUTTON FUNCTI

15CAUTION : Never install the magnetron without the metallic gasket plate which is packed with each magnetron toprevent microwave leakage. Whenever re

168. To remove wind guide assembly. 1) Remove a screw for earthing.2) Remove the noise filter from the wind guide.3) Remove a screw which secure the w

1710. To remove Lamp assembly parts. 1) Remove a screw 1and pull out Guide air outlet 2.2) Remove two screws4and pull out insulator heater *t3.3) Pull

1811. To remove Top heater assembly parts. 1) Remove a screw 1and pull out Guide air outlet 2.2) Remove two screws4and pull out insulator heater *t3.3

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

1912. To remove Rear heater assembly parts. 1) Remove a screw 1and pull out Cover motor *B2.2) Remove a screw 3and pull out Cover *B4.3) Pull out the

2013. To remove Motor synchro. And Under heater assembly parts. 1) Cut the Motor syncro. cover parts from the base plate.2) Remove a screw and then pu

217. INTERLOCK MECHANISM AND ADJUSTMENT The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiat

228. TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective or not.1) Check grounding before trouble checking.2) Be ca

23CONDITION CHECKCheck continuity ofmagnetronDefectivemagnetron.RESULTNocontinuityCAUSE REMEDYReplaceOutlet haspropervoltagefuse does notblow?Check co

24CONDITION CHECK RESULTCheck continuity ofhigh voltage capacitor terminalswith wires removedContinuityCAUSEDefectivehigh voltagetransformerREMEDYRepl

25(TROUBLE 4) Grill heater (upper heater) is not heated; food will not become hot.CONDITION CHECKCheck continuity ofprimary interlock switchMalfunctio

26(TROUBLE 6) Lower heater is not heated; food will not become hot.CONDITION CHECKCheck continuity ofPrimary interlock switchMalfunction ofprimary Int

27CAUSEREMEDY(TROUBLE 8) When “ERROR 2 ERROR 3” come on display.CONDITION CHECKCheck continuity of thermistor(resistance of thermistor)ReplaceRESULT0

289. MEASUREMENT AND TEST1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT Microwave output power can be checked by indirectly measuring the temperature ri

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

292. MICROWAVE RADIATION TESTPROCEDURE1. Prepare Microwave Energy Survey Meter, 600cc glass beaker,and glass thermometer 100°C (212°F).2. Pour 275cc ±

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

314. COMPONENT ACTIONCOOKING MODEM/WGRILL-1GRILL-2GRILL-3COMBI-1COMBI-2MANUAL COMBI-3MODE COMBI-4COMBI-5CONVECTION100~130CONVECTION140~150CONVECTION16

3210. WIRING DIAGRAM

3311. EXPLODED VIEW AND PARTS LIST 1. ODDR ASSEMBLY Refer to 6. Disassembly and assembly.2. CONTROL PANEL ASSEMBLY Refer to 6. Disassembly and assembl

34NO PART CODE PART NAME DESCRIPTION Q'TYA00 3511714500 DOOR AS KOC-910K0S 1B00 3516725600 CONTROL PANEL AS KOC-910K0S 1F01 3515202800 STOPPER HI

35NO PART CODE PART NAME DESCRIPTION Q'TYF36 3512766800 HARNESS CONVECTION-A KOC-1B0K0S 1F37 3511407700 COVER HEATER *B SA1D T0.5 1F38 3513302900

36NO PART CODE PART NAME DESCRIPTION Q'TYF73 3517202611 TRAY RACK AS KOC-961C0S 117MM 1F74 3517202601 TRAY RACK AS KOC-961C0S 27MM 1F75 351720520

- KOC-911K37

38NO PART CODE PART NAME DESCRIPTION Q'TYA00 3511714510 DOOR AS KOC-911K0S 1B00 3516725610 CONTROL PANEL AS KOC-911K0S 1F01 3515202800 STOPPER HI

32. SPECIFICATIONSMODEL KOC-910K0SPOWER SUPPLY 230V~50HZ, SINGLE PHASE WITH EARTHINGMICROWAVE 1500WPOWER GRILL 1600WCONSUMPTION COMBECTION 2300WCOMBIN

39NO PART CODE PART NAME DESCRIPTION Q'TYF36 3512766800 HARNESS CONVECTION-A KOC-1B0K0S 1F37 3511407700 COVER HEATER *B SA1D T0.5 1F38 3513302900

40NO PART CODE PART NAME DESCRIPTION Q'TYF73 3517202611 TRAY RACK AS KOC-961C0S 117MM 1F74 3517202601 TRAY RACK AS KOC-961C0S 27MM 1F75 351720520

4112. PRINTED CIRCUIT BOARD CIRCUIT CHECK PROCEDURE1. Low voltage transformer checkThe low voltage transformer is located on the P.C.B.Measuring condi

423. Case of no microwave oscillation1) When touching M/W button, oven lamp turns on and Fan motor and turntable rotate, and cook indicator indisplay

434. Case of no heating of upper grillWhen touching GRILL1 & COMBI button, oven lamp turns on and Fan motor and turntable rotate, and cookindicato

447. Case of no stopping of the count down timerWhen the door is opened during operation, the count down timer does not stop.POINTSTATEDOOR OPENDOOR C

4513. P.C.B. CIRCUIT DIAGRAM

46NO NAME SYMBOL SPECIFCATION PART CODE Q'TY1 BUZZER BZ1 BM-20K 3515600100 12 CAPACITOR CERAMIC C2,C8~C15 104 50V Z AXIAL CCZF1H104Z 93 CAPACITOR

S/M NO.:C910K0S001DAEWOO ELECTRONICS CO., LTD.686, AHYEON-DONG MAPO-GU SEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOELE

43. EXTERNAL VIEW1. OUTER DIMENSION- KOC-910K- KOC-911K

511.DOOR HOOKWhen the door is closed, it will automatically lock shut. If door is opened while oven is operating, the magnetronwill immediately stop

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

75. CONTROL PANEL DISPLAY WINDOW1. MICROWAVE - indicator, showing microwaving inprogress.2. DEFROST- indicator, showing defrosting in progress.3. GRIL

8DISPLAY WINDOW1. MICROWAVE - indicator, showing microwaving inprogress.2. DEFROST- indicator, showing defrosting in progress.3. GRILL(upper grill hea