Daewoo KOR-3000 Manual de Serviço

Service ManualMicrowave OvenModel: KOR-618M/Q(0P)KOR-619M/Q(0P)DAEWOO ELECTRONICS CO., LTD.

8WEIGHT DEFROST lets you easily defrost food by eliminating guesswork in determining defrosting time. The min-imum weight for WEIGHT DEFROST is 200 gr

9When TIME DEFROST is selected, the automatic cycle divides the defrosting time into periods of alternatingdefrost and stand times by cycling on and

10DO THIS... THIS HAPPENS...1. Touch POWER pad.The STAGE1 indicator lights and “P- ” is displayed.POWERoz lbSTAGEDEFROST AUTOSTARTWEIGHT TIMELOCK12

11For best results, some recipes call for one Power Level for a certain length of time and another power level for adifferent length of time.Your micr

12Some recipes require frozen foods to be thawed before cooking.This oven can be programmed to automatically defrost foods before cooking.DO THIS... T

136. Touch POWER pad.DEFROST AUTOSTARTWEIGHT TIMELOCKlbozSTAGE12NO CUPSlbozDEFROST AUTOSTARTWEIGHT TIMELOCKSTAGE12NO CUPSlbozDEFROST AUTOSTARTWEIG

14Allows you to program cooking to start at a time you select.The food will automatically start cooking at the desired time. Program is able up to 2 s

15Once you have correctly programmed the oven for AUTO START, the present time will appear on the display.DO THIS... THIS HAPPENS...SPEEDY COOK allows

16One touch cook allows you to cook or reheat many of your favorite foods by touching just one pad. To increasequantity, touch chosen pad until number

17* FROZEN PIZZA *• 200g: Touch FROZEN PIZZA once.• 300g: Touch FROZEN PIZZA twice within 1.5 seconds.NOTE: 1. Use only one frozen pizza at a time.2.

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

18DO THIS... THIS HAPPENS...1. Touch DINNER PLATE pad.When you touch DINNER PLATEpad, “300“ is displayed.After the 1.5 seconds, the displaychanged int

19Q-TYPEQ-TYPE1. Touch FRESH VEGETABLEpad.When you touch FRESH VEG-ETABLE pad, “200” is displayed.After the 1.5 seconds, the displaychanged into cooki

201. Touch MENU pad.When you touch MENU pad, “AC-1” is displayed.The display will then begin blinking.By repeatedly touching this pad,you can select o

21This key is for feeding bottle disinfection effect.At first, detach the nipple from the bottle and pour the 30cc water into each bottle, arrange the

The door lock mechamism is a device has been specially designed to completely eliminate microwave radiationwhen the door is opened during operation, a

2. SECONDARY INTERLOCK SWITCH AND INTERLOCK MONITOR SWITCHWhen the door is closed, the hook pushes the push lever down ward, and push lever presses th

24Microwave output power can be checked by indirectly measuring the temperature rise of a certain amount of waterexposed to the microwave as directed

25WIRING DIAGRAMPROCEDUREA) Prepare Microwave Energy Survey Meter, 600cc glass breaker, glass thermometer 100˚C or 212˚F.B) Pour 275cc ± 15cc of tap w

26CIRCUIT DESCRIPTIONRefer to the “WIRING DIAGRAM” (Fig. 1) on page 25.MICROWAVE COOKINGTIME COOKING1. When the food is placed inside the oven and doo

27Fig. 2The touch control circuit controls the ON-OFF time of RELAY “1” in order to vary the output power of themicrowave oven from “power level 1“ to

1. FOR SAFE OPERATIONDamage that allows the microwave energy (that cooks or heats the food) to escape will result in poor cookingand may cause serious

280 0/29 (0%)1 3/29 (10%)2 5/29 (17%)3 8/29 (28%)4 11/29 (38%)5 14/29 (48%)6 17/29 (59%)7 20/29 (69%)8 23/29 (79%)9 26/29 (90%)HI 29/29 (100%)POWER LE

29– Cautions to be observed when trouble shooting.Unlike many other appliances, the microwave oven is a high-voltage, high-current equipment. It is co

301. To remove cabinet.Remove three screws (F07) on cabinet back.2. To remove door assembly.1) Remove two screws (F08) which secure the top hingeseopp

31(1) Remove the gasket door (A07) from door weld ass’y (A05).(2) Remove the barrier screen inner (A06) from door weld ass’y (A05).(3) Remove the hook

325. To remove control panel parts.(1) Remove the screw which secur the control panel,push up two snap fits and draw forward the controlpanel assenbly

336. To remove high voltage capacitor.(1) Remove the screw (F0) which secure the groundingring terminal of diode (F3) and capacitor holder (F21).(2) R

348. To remove fan motor assembly.(1) Remove two screws (F15) which secure the back cover (F17) from the cavity outer.(2) Remove two screws (F16) whic

35Following the procedures below to check if the oven is defective or not.1. Check grounding before checking trouble.2. Be careful of the high voltage

36(TROUBLE 2) Digital readout display does not show programming, even if the membrane key-board is programmed by touching proper pads.MEMBRANE KEYBOAR

36-12. Type of encoding and pad names.Fig. 5 Key MatrixThe membrane keyboard consists of 26 keys whose configurations are described above and provide

* Specifications are subject to change without notice.ITEMPOWER SUPPLYPOWER CONSUMPTIONMICROWAVEOUTPUT POWERFREQUENCYOUTSIDE DIMENSIONS (W x H x D)CAV

37MEMBRANE KEYBOARD CHECK PROCEDURE : Q-TYPE1. Check the pad termination order and nomenclature.Fig. 4ABCDEFGHIJK1234567891011PAD Termination PCB conn

37-12. Type of encoding and pad names.Fig. 5 Key MatrixThe membrane keyboard consists of 26 keys whose configurations are described above and provide

38(TROUBLE3) The oven not operate at all; Display window does not display any figures and anyinputs can not be accepted.Check ResultCause RemedyReplac

39(TROUBLE 4) Display shows all figures selected, but oven does not start cooking, even thoughdesired program and time are and start pad is taped.Chec

40(TROUBLE 5) No microwave oscillation even though fan motor rotates.Check ResultCause RemedyReplace Check continuity of primary wind-ingof high volta

41(TROUBLE 6) Micrwave Output power is low .First of all, check if output power is really low following “measurement of themicrowave output power” on

1. High voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle.2. It is neither necessary nor advisa

• Disconnect the oven from the power supply.• You can test continuity of safety interlocks and monitor switch by using switch tester or ohmmeter.• The

44PRINTED CIRCUIT BOARD1. CIRCUIT CHECK PROCEDURE1) Low Voltage Transformer (DMR-602FS) Check.The low voltage transformer is located on the P.C.B.Meas

453) Display problemsThe display trouble shooting data4) When there is no microwave oscillation.(1) When touching "START" pad, oven lamp doe

4FEATURES DIAGRAM : M-TYPE1 Door latch–When the door is closed it willautomatically lock shut. If the door is openedwhile the oven is operating. The m

Fig. 6 Measurement Point46

47CHECK METHOD(2) When touching "START" pad, oven lamp turns on.Fan motor and turntable rotate and cook indicator in display comes on.* Caus

486) When the digital clock does not operate properlyIf clock does not keep exact time, you must check resistor R21, R22 and capacitor C5.LVT1AD121N14

492. P.C.B. CIRCUIT DIAGRAM(M-TYPE)CN1(D.O.M)IC19 8 7 6 54 3 2 1 0DINNERPLATEPOWERPOPCORNFROZENPIZZABEVERAGEMUFFINSPEEDYCOOKFEEDINGBOTTLESTART LESS MO

49-12. P.C.B. CIRCUIT DIAGRAM(Q-TYPE)CN1(D.O.M)BAKEDPOTATOPOPCORNFRESHVEGETABLESOUPIC1FEEDINGBOTTLE

503. COMPONENT INFORMATION1) Transistor2) Diode and Zener Diode3) Digital TransistorEmitter Collector BaseQ9DIODE Cathode (K)ZENERDIODECathode (K)ANOD

514. PRINTED CIRCUITS BOARD

525. P.C.B. LOCATION No.NO PART NAME REF NO. SPECIFICATION PART CODE Q'TY1 RESISTOR R11, R15, R17, R24 1K, 1/6W, 5% RD-AZ102J- 42 RESISTOR R13, R

531. Door AssemblyREF NO. PART NAME PART CODE DESCRIPTION Q’TY REMARKSA01 FRAME DOOR3512202030 ABS1KOR-618M,Q3512202040 ABS KOR-619M,QA02 BARRIER-SCRE

542. Control Panel AssemblyREF NO. PART NAME PART CODE DESCRIPTION Q’TY REMARKS3518519700 KOR-618QOS1 Q-TYPEB01 SWITCH MEMBRANE3518519710 KOR-619QOS35

4-1FEATURES DIAGRAM : Q-TYPE1 Door latch–When the door is closed it willautomatically lock shut. If the door is openedwhile the oven is operating. The

553. EXPLEDED VIEW

56564. PARTS LISTNO PART NAME PART CODE DESCRIPTION Q’TY REMARKSA00 DOOR AS EXPLODED AND PARTS LIST 1B00 CONTROL PANEL AS EXPLODED AND PARTS LIST 1F0

S/M NO. : R618M0P001DAEWOO ELECTRONICS CO., LTD.686, AHYEON-DONG MAPO-GU SEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOE

5This appliance must be earthed. In the event of an electrical short circuit, earthing reduces the risk of electricshock by providing an escape, wire

6Touch Power pad,Once the touchPOWER9876543210Power Level (Display)P-HIP-90P-80P-70P-60P-50P-40P-30P-20P-10P-00Approximate Percentageof Power100%90%80

7When the oven is first plugged in, the display will flash “ : 0” and a tone will sound. If the AC power ever goes off,the display will flash “ : 0”