Daewoo KOR-6NM51A Service Manual

Service ManualModel: KOR-6NFB Microwave Oven Sep. 2008S/M No. : R6NFB3S001• Caution:In this Manual, some parts can be changed for improving,their pe

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

101. To remove cabinet 1) Remove three screws on cabinet back.2) Push the cabinet backward.2. To remove door assembly1) Remove two screws which secur

113. To remove door parts. REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKA01 3512205200 FRAME DOOR PP SI83C 1 A02 3517007300 BARRIER-SCREEN*0 P

124. Method to reduce the gap between the door seal and the oven front surface.(1) To reduce gap located on part ‘A’Loosen a screws on stopper hinge t

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

14NOTE : Never install the magnetron without the metallic gasket plate which is packed with each magnetron to pre-vent microwave leakage. Whenever rep

158. 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

16INTERLOCK MECHANISM AND ADJUSTMENTThe door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation

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

18CONDITION CHECKCheck continuity of primary inter-lock switchMalfunction of pri-mary interlockswitchRESULTNoContinuityCAUSE REMEDYAdjust orreplaceTur

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

20(TROUBLE 4) The following visual conditions indicate a probable defective touch control circuit or membrane switchassembly.11. Incomplete segment

21MEASUREMENT AND TEST1. MEASUREMENT OF THE MICROWAVE POWER OUTPUTMicrowave output power can be checked by indirectly measuring the temperature rise o

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

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

24WIRING DIAGRAM

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

26Measure PointMP1MP2

273. 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

282. PCB CIRCUIT 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

29NO. NAME SYMBOL SPECIFICATION PART CODE Q'TY1 CAPACTIOR ELEC EC1 16V RS 100MF CEXF1C101V 12 CAPACTIOR ELEC EC2 25V RSS 1000MF CEXF1E102V 13 CON

301. DOOR ASSEMBLYRefer to Disassembly and assembly.2. CONTROL PANEL ASSEMBLYRefer to Disassembly and assembly.3. TOTAL ASSEMBLYEXPLODED VIEW AND PART

31NO PART CODE PART NAME DESCRIPTION Q'TY REMARKA00 3511714450 DOOR AS KOR-63F59A 1B00PKCPSWEE00CONTROL-PANEL ASKOR-63FB9S 1 KOR-6NFB3SPKCPSWEE10

S/M NO. : R6NFB3S001 DAEWOO ELECTRONICS CORP.686, AHYEON-DONG MAPO-GU SEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOELEC

MODEL KOR-6NFB3S KOR-6NFB5SPOWER SUPPLY 230V-50Hz, SINGLE PHASE WITH EARTHINGPOWERMICROWAVE 1000W 1200WCONSUMPTIONGRILLCOMBINATIONMICROWAVE ENERGY OUT

4EXTERNAL VIEW1. OUTER DIMENSION

51. DOOR SEALDoor seal maintains the microwave within the oven cavity and prevents microwave leakage.2. DOOR HOOKWhen the door is closed, it will auto

610 min 1 min 10 sec1 hour 10 min 1 min700WD1235780469q11. Display – Cooking time, power level, indicators and present time are displayed.12. Power –

7INSTALLATION1. Steady, flat location.This microwave oven should be set on a steady, flat surface.This microwave oven is designed for counter top use

8OPERATIONS AND FUNCTIONS11. Connect the main lead to an electrical outlet.12. After placing the food in a suitable container, open the oven door and