Daewoo KOR-1A1G0A Service Manual

Service ManualMicrowave OvenModel: KOR-1A6S9SS/M No. : R1A6S9S001http : //svc.dwe.co.kr Mar. 2003✔ Caution: In this Manual, some parts can be changed

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 one screw which secure

113. To remove door parts. 1) Remove the gasket door from door weld as.2) Remove the barrier screen inner from door weld as.3) Remove the door frame f

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 PointMP1MP2MP3

274. When the door is opened during operation, the count down timer does not stop.→ refer to Circuit Diagram (Point 1)-Check method5. When the digital

286. When Er01 & Er03 come on display.→ Refer to Circuit Diagram (Point 6)-Check method* If AUTO REHEATING just operating, checking point A, B, C

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 PCB MAIN M172 87X175MM 3514323200 12 BUZZER BZ1 BM-20K 3515600100 13 CAPACITOR ARRAY CA1 8P(7) 10

31NO. NAME SYMBOL SPECIFICATION PART CODE Q'TY41 R CARBON FILM R24 1/6W 150K 1% RN-AZ1503F 142 R CARBON FILM R25 1/6W 75K 1% RN-AZ7502F 14

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

33NO PART CODE PART NAME DESCRIPTION Q'TYA00 3511711240 DOOR AS KOR-1A6A3A 1B00 PKCPSWAP00 CONTROL PANEL AS KOR-1A6S9S 1F01 3510805500 CABINET KO

686, AHYEON-DONG MAPO-GU SEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOELEC”PRINTED DATE: Mar. 2003

3MODEL KOR-1A6S9SPOWER SUPPLY 230V-50Hz, SINGLE PHASE WITH EARTHINGPOWERMICROWAVE 1400WCONSUMPTIONGRILLCOMBINATIONMICROWAVE ENERGY OUTPUT 1000WMICROWA

4EXTERNAL VIEW1. OUTER DIMENSION 539 406300

581 2 3 4 56791 Door latch - When the door is closed it will automatically shut off. If the door is opened while the oven is operat-ing, the magnetron

627e6wq59013481 Time set pad - Used to set the cooking time and the present time.2 Display - Cooking time, power level, indicators and present time ar

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 FUNCTIONSWattage output chartThe power-level is set by pressing the POWER pad. The chart shows the display, the power level and the pe