Daewoo KOC-9Q4T Manuel de service

Service ManualMicrowave OvenModel: KOC-9Q4TS/M No. : Mar. 2010✔ Caution: In this Manual, some parts can be changed for improving,their performance wit

26CONDITION CHECKCheck each button forcontinuity of the buttonMalfunction oftouch controlcircuit of controlbox sub-assemblyRESULTNormalCAUSE REMEDYRep

279. MEASUREMENT AND TEST 1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT Microwave output power can be checked by indirectly measuring the temperature r

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

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

3110. WIRING DIAGRAM

351. DOOR ASSEMBLY Refer to 6. Disassembly and assembly.2. CONTROL PANEL ASSEMBLY Refer to 6. Disassembly and assembly.3. TOTAL ASSEMBLY2) KOC-9Q4TH35

36✔ 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

37✔ 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

3812. PRINTED CIRCUIT BOARD CIRCUIT CHECK PROCEDURE1. Low voltage transformer checkThe low voltage transformer is located on the P.C.B.Measuring condi

39MEASUREPOINTMP1MP2

3MODEL KOC-9Q3T7SPOWER SUPPLY 230V~50Hz, SINGLE PHASE WITH EARTHINGMICROWAVE 1400WPOWER GRILL 1250WCONSUMPTION CONVECTION 1250WCOMBINATION 2700WMICROW

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

414. Case of no heating of top heater main.When touching GRILL or COMBI or CONVECTION button, oven lamp turns on and fan motor and turntable rotate,an

42- Check method6. Case of no stopping of the count down timerWhen the door is opened during operation, the count down timer does not stop.POINTSTATED

4313. P.C.B. CIRCUIT DIAGRAM

441 BZ1 3515600100 BUZZER BM-20K 12 CA1 CN5XB-102M C ARRAY 6P(5) 1000PF M 50V 13C7 CCZF1H473Z C CERA 50V HIKF 0.047uF Z 14 C4,C6 CCZB1H102K C CERA 102

S/M NO. : DAEWOO ELECTRONICS CORP.1-2, Jeo-dong 1(il)-ga, Jung-gu, Seoul, KoreaC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOELEC”PR

43. EXTERNAL VIEW3825133111. OUTER DIMENSION1) KOC-9Q3T7S3835133112) KOC-9Q4T

5123 4567891011121311. DOOR HOOKHook automatically locks and holds the door when the door shuts. If the door opens while the oven is operating,the ove

811Display : Cooking time, power level, programindicators and present time are displayed.MW ( ): When blinking, the oven isoperating in MICROWAVE COOK

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

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

24TROUBLE 3) No microwave oscillation even though fan motor rotates.CONDITION CHECK RESULTCheck continuity ofhigh voltage capacitor terminalswith wire

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