Daewoo KOR-4A0B0W Manuel de service

Service ManualMicrowave OvenModel: KOR-4A0B0WS/M No. : OR4A0B0W001Jan. 2011✔ Caution: In this Manual, some parts can be changed for improving,their pe

9DISASSEMBLY AND ASSEMBLYCautions to be observed when troubleshooting.Unlike many other appliances, the microwave oven is high-voltage, high-current e

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

113. To remove door parts. A01A02A03A04A05A06A07A081) Remove the gasket door from the door painting as.2) Remove the barrier screen inner from the doo

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 the stopper

135. To remove control panel parts. 1) Remove the screw which secure the control panel sub as, push up two snap fits and draw forward the control pane

146. To remove guide wind parts. GUIDE WIND ASSEMBLY :35125304301) Remove two screws for earthing and for fixing to rear-plate.2) Remove the noise fil

157. To remove high voltage capacitor. 1) Remove the screw which secure the grounding ringterminal of the H.V. diode and the capacitor holder.2) Remov

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

17INTERLOCK MECHANISM AND ADJUSTMENTThe door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation

18(TROUBLE 1) Oven does not operate at all ; any inputs can not be accepted.TROUBLESHOOTING GUIDE Following the procedure below to check if the oven

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

19CONDITION CHECKCheck continuity of magnetronDefective mag-netronRESULTNoContinuityCAUSE REMEDYReplaceOutlet hasproper volt-age Fusedoes notblow.Chec

20(TROUBLE 3) No microwave oscillation even though fan motor rotates.CONDITION CHECK RESULTCheck continuity of high voltage capacitor terminalswith

21(TROUBLE 4) The following visual conditions indicate a probable defective touch control circuit1. Incomplete segments,1) Segments missing.2) Partica

22MEASUREMENT AND TEST1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT Microwave output power can be checked by indirectly measuring the temperature rise

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

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

25WIRING DIAGRAM

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

27Measure PointMP1MP2GND

283. When there is no microwave oscillation1) When touching START pad, oven lamp does not turn on.Fan motor does not rotate, but cook indicator in dis

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

292. PCB CIRCUIT DIAGRAM

30NO NAME SYMBOL SPECIFICATION PART CODE Q’TY1 BUZZER BZ1 BM-20K 3515600100 12 CAPACITOR CERAMIC C1,2,3,8,9 50V 0.1UF Z AXIAL CCZF1H104Z 53 CAPACITOR

311. DOOR ASSEMBLYRefer to Disassembly and assembly.2. CONTROL PANEL ASSEMBLYRefer to Disassembly and assembly.3. GUIDE WIND ASSEMBLYRefer to Disassem

32F01 3516121600 CAVITY AS KOR-4A070S 1F02 3511415700 COVER WAVE GUIDE PP 5113MF6 1F03 3517209710 MOTOR SYNCRO 49TYD -5B 1F04 7121400611 SCREW TAPPING

S/M NO. : OR4A0B0W001DAEWOO ELECTRONICS CORP.1-2, Jeo-dong 1(il)-ga, Jung-gu, Seoul, KoreaC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DA

VVIISSIIOONN CCRREEAATTIIVVEE,, IINNCC..서울 종로구 통의동6번지 이룸빌딩 4 층ABOUT THIS MANUALABOUT THIS MANUAL담당장형석 님M O D E L KOR-4A0B0W (S/M)접수2011.01.071차2차일정3

3SPECIFICATIONSPOWER SUPPLY 230V AC, 50Hz SINGLE PHASE WITH GROUNDINGINPUT POWER 900 WMICROWAVE ENERGY OUTPUT 500 WFREQUENCY 2,450MHzOUTSIDE DIMENS

4EXTERNAL VIEW1. OUTER DIMENSION424223317

512 3 wq406798511Door latch - When the door is closed, it will auto-matically shut off. If the door is opened while theoven is operating, the magnetro

612745396811DISPLAY - Cooking time, power level, indica-tors and the current time are displayed.22AUTO COOK - Used to cook or reheat many offavorite f

71. 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

8Make sure the oven is properly installed and plugged into the electrical.OPERATIONS AND FUNCTIONS11. Connect the mains lead to an electrical outlet.1