Daewoo KOC-910K0S01 Wartungshandbuch

Service ManualMicrowave OvenModel: KOC-9N4T7SKOC-9N4T7S24KOC-9N5T7SKOC-9N5T7RKOC-9N5T7S21KOC-9N7T7SKOC-9N7T7S21KOC-9N7T7SA2S/M No. : OC9N4T7001 Jun.

1. To remove cabinet 1) Remove four screws on cabinet back.2) Push the cabinet backward.2. To remove door assembly1) Remove two screws which secure t

10A10 A09 A08 A07A06A05A04A03A02A01A11A12A13REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKA01 3512603620 HANDLE DOOR S455C 1A02 351160830

11REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKA01 3511614600 DECORATOR DOOR STS430 T0.5 H/L 1A02 3512209200 FRAME DOOR ABS XR-401 SR-032

124. 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 hi

135. To remove control panel parts.1) KOC-9N4T7S,9N4T7S24REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKB01 3513406330 KNOB VOLUME ABS SG-175 S

142) KOC-9N5T7S,9N5T7R,9N5T7S21REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKB01 3513406330 KNOB VOLUME ABS SG-175 SG-0760D 1B02 3515501820 W

153) KOC-9N7T7S,9N7T7S21,9N7T7SA2REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKB01 3513408410 KNOB VOLUME ABS SG-175 SG-0760D 1B02 3515501820

16CAUTION : Never install the magnetron without the metallic gasket plate which is packed with each magnetron toprevent microwave leakage. Whenever re

178. 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

1810. To remove Top heater assembly parts. 1) Remove a screw and pull out Guide air outlet .2) Remove screwsand pull out braket heater *T .3) Pull o

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

1911. To remove Rear heater assembly parts. 1) Remove a screw and pull out Cover motor *B .2) Remove a screw and pull out Cover *B .3) Pull out the

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

218. 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

22CONDITION CHECKCheck continuity ofmagnetronDefectivemagnetron.RESULTNocontinuityCAUSE REMEDYReplaceOutlet haspropervoltagefuse does notblow?Check co

23TROUBLE 3) No microwave oscillation even though fan motor rotates.CONDITION CHECK RESULTCheck continuity ofhigh voltage capacitor terminalswith wire

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

25CONDITION CHECKCheck each button forcontinuity of the buttonMalfunction of subpcb assemblyRESULTNormalCAUSE REMEDYReplacecontrol boxsub-assemblyDisp

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

272. MICROWAVE RADIATION TESTPROCEDURE1. Prepare Microwave Energy Survey Meter, 600cc glass beaker,and glass thermometer 100C (212 F).2. Pour 275cc 1

283. COMPONENT TEST PROCEDURE High voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle. It is nei

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

294. COMPONENT ACTIONCOOKING MODEMAGNE- UPPER REAR CONVEC-TRON ELEMENT ELEMENT TION FANM/W●GRILL●COMBI●● ●●CONVECTION●●●ROAST PORK●● ●●ROAST BEEF●● ●●

3010. WIRING DIAGRAM1) KOC-9N4T7S,9N4T7S24,9N5T7S,9N5T7R,9N5T7S21,9N7T7S,9N7T7S21

312) KOC-9N7T7SA2

3211. EXPLODED VIEW AND PARTS LIST 1. DOOR ASSEMBLY Refer to 6. Disassembly and assembly.2. CONTROL PANEL ASSEMBLY Refer to 6. Disassembly and assembl

33✔ Caution: In this Manual, some parts can be changed for improving, their performance without notice in the parts list.So, if you need the latest pa

34NO PART CORD PART NAME DESCRIPTION Q'TY REMARKF25 7S312X40A1 SCREW SPECIAL T1 TRS 4X10 SE MFZN 1F26 7121403011 SCREW TAPPING T2S PAN 4X30 MFZN

35NO PART CORD PART NAME DESCRIPTION Q'TY REMARKF65 3510313600 BASE SBHG T0.8 1F66 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1F67 3515202800 STOP

3612. PRINTED CIRCUIT BOARD CIRCUIT CHECK PROCEDURE1. Low voltage transformer checkThe low voltage transformer is located on the P.C.B.Measuring condi

37MEASUREPOINTMP1GNDMP2

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

3MODEL KOC-9N4T7S, 9N4T7S24,KOC-9N5T7R9N5T7S, 9N5T7S21POWER SUPPLY 230V~50Hz, SINGLE PHASE WITH EARTHING MICROWAVE 1450W POWER CONSUMPTIONGRILL 850W

394. Case of no heating of top grillWhen touching GRILL or COMBI button, oven lamp turns on and fan motor and turntable rotate, and cook indicatorin d

406. 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

4113. P.C.B. CIRCUIT DIAGRAM

42NO LOC PART CODE NAME SPECIFICATION Q'TY REMARK1 BZ1 3515600100 BUZZER BM-20K (BUJEON) 12 CN1 30166M7020 WAFER MOLEX 35313-0210 13 CN2 4CW215S

43NO LOC PART CODE NAME SPECIFICATION Q'TY REMARK39 C01 CCZF1H104Z C CERA HIKF 50V 0.1MF Z AXIAL 140 C02 CCZF1H104Z C CERA HIKF 50V 0.1MF Z AXIAL

44NO LOC PART CODE NAME SPECIFICATION Q'TY REMARK77 J08 85801052GY WIRE COPPER 1/0.52 TIN COATING 178 J09 85801052GY WIRE COPPER 1/0.52 TIN COATI

45NO LOC PART CODE NAME SPECIFICATION Q'TY REMARK115 R16 RD-AZ104J- R CARBON FILM 1/6 100K OHM J 1116 R17 RD-AZ122J- R CARBON FILM 1/6 1.2K OHM J

S/M NO. : OC9N4T7001 DAEWOO ELECTRONICS CORP.686, AHYEON-DONG MAPO-GU SEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOELE

43. EXTERNAL VIEW542329514.11. OUTER DIMENSION1)KOC-9N4T/9N5T2)KOC-9N7T

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

1. 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 11Display : Cooking time, power level, indicators andpresent time are displayed.MW : When blinking, the oven is operating inMICROWAV

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