Circuit-test DMR-1100 Manuel de service

Service ManualMicrowave OvenModel: KOR-1N9Z9S25S/M No. :Jul. 2012✔ Caution: In this Manual, some parts can be changed for improving,their performance

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

10A01A02A03A04A05A06A07A083. To remove door parts. A00 3511731450 DOOR AS KOR-1N9M9P25 1A01 3517012010 BARRIER-SCREEN *O TEMP GLASS T3.2 PATTERN 1A02

11(1) To reduce gap located on part ‘A’• Loosen two screws on the stopper hinge top, and thenpush the door to contact the door seal to the oven fronts

125. To remove control panel parts. B02B03B10B11B12B13B04B05B06B07B01B08B09(1) Remove the screw which secure the control panel, push up two snap fits

136. 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

149. To remove H.V.transformer.1) Remove four screws holding the H.V.transformer.2) Remove the H.V.transformer.3) Reverse the above steps for reassemb

15INTERLOCK MECHANISM AND ADJUSTMENTThe door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation

16(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

17CONDITION CHECKCheck continuity of magnetronDefectivemagnetronRESULTNoContinuityCAUSE REMEDYReplaceOutlet haspropervoltage Fusedoes notblow.CONDITIO

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

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

20MEASUREMENT AND TEST 1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT Microwave output power can be checked by indirectly measuring the temperature rise

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

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

23INTERLOCKSECONDARYRDWHBK : BLACKGN : GREENBR : BROWNRD : REDWH : WHITENOTE :POWER SUPPLY :SINGLE PHASE GENLBLBRONLYDOM SWITCHOL : OVEN LAMPGM

24PRINTED CIRCUIT BOARD1. CIRCUIT CHECK PROCEDURE1. Low Voltage Transformer check• The low voltage transformer is located on the P.C.B.• Measuring con

25Measure PointMP1GNDMP2

263. When there is no microwave oscillation1) When touching Start/+30sec. pad, oven lamp does not turn on.Fan motor do not rotate, but cook indicator

272. PCB CIRCUIT DIAGRAMHMS81C1716B-HN09551 1/4WVL14,5V2:+12VV1:+5VYW396-07AVCN37LVT116336 XOUTV1R16R171 AN410KR19V1VGKN4004A1N4148D9KN4004AD14D13EC

283. PCB LOCATION NO.1 BUZZER BZ1 BM-20K 3515600100 12C ARRAY CA1 7P(6) 1000PF M 50V CN6XB-102M 13 CAPACITOR ELEC EC1 50V RS 10uF CEXE1H100A 14 CAPACI

21. FOR SAFE OPERATIONDamage that allows the microwave energy (that cooks or heats the food) to escape will result in poor cooking and maycause seriou

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

30A00 3511731450 DOOR AS KOR-1N9M9P25 1B00 PKCPSWYS60 CONTROL-PANEL AS KOR-1N9Z9S25 1F01 3510802120 CABINET CR T0.5 1F02 3516004100 SPECIAL SCREW T1 T

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

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3EXTERNAL VIEW1. OUTER DIMENSION 515304376SPECIFICATIONSPOWER SUPPLY 230V AC, 50Hz SINGLE PHASE WITH EARTHINGINPUT POWER 1400 WMICROWAVE ENERGY OUTPU

412 3 7895q40w611Door latch - When the door is closed, it willautomatically shut off. If the door is opened while theoven is operating, the magnetron

51298wq05e6733411Display - Cooking time, power level, indicators andare displayed.22Auto cook - Used to cook or reheat.33One touch - Used to cook or r

61. 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

7OPERATIONS AND FUNCTIONS1. Connect the main lead to an electrical outlet.2. After placing the food in a suitable container, open the oven door and pu

8DISASSEMBLY AND ASSEMBLYCautions to be observed when troubleshooting.Unlike many other appliances, the microwave oven is high-voltage, high-current e