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Daewoo KOR-63F79S manual

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  • Page 1

    Ser vice Manual Micr owave Oven Model: KOR-63D79S KOR-63D70S KOR-63F79S KOR-63F70S DAEWOO ELECTRONICS CO., L TD. S/M No. : R63D79S002 ✔ Caution : In this Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information,please refer to PPL(Parts Price List) in Service[...]

  • Page 2

    1 PRECA UTIONS T O BE OBSER VED BEFORE AND DURING SER VICING T O A V OID POSSIBLE EXPOSURE T O EXCESSIVE MICR O W A VE ENERGY (a) Do not operate or allow the oven to be operated with the door open. (b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other micro- wave source, and make repairs as necess[...]

  • Page 3

    2 SAFETY AND PRECA UTIONS 1. FOR SAFE OPERA TION Damage that allows the microwave energy (that cooks or heats the food) to escape will result in poor cooking and may cause serious bodily injury to the operator. IF ANY OF THE FOLLOWING CONDITIONS EXIST, OPERATOR MUST NOT USE THE APPLIANCE. (Only a trained service personnel should make repairs.) (1) [...]

  • Page 4

    3 MODEL KOR-63D79S KOR-63D70S POWER SUPPLY 230V~50Hz, SINGLE PHASE WITH GROUNDING POWER MICROWAVE 1000W 1,200W CONSUMPTION GRILL COMBINATION MICROWAVE ENERGY OUTPUT 700W 800W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS (W x H x D) 465 x 279 x 364 mm (18.3 x 11.0 x 14.4 in) CAVITY DIMENSIONS (W x H x D) 290 x 220 x 306 mm (11.4 x 8.7 x 12.0 in) N[...]

  • Page 5

    4 EXTERNAL VIEW 1. OUTER DIMENSION 2. FEA TURE DIA GRAM 1. SAFETY INTERLOCK SYSTEM 2. DOORVIEWING SCREEN Allos viewing of food. The screen is designed so that light can pass through, but not the microwave. 3. DOOR HOOK When the door is closed, it will automatically lock shut. If door is opened while oven is operating, magnetron tube will immediatel[...]

  • Page 6

    5 INST ALLA TION 1. Steady , flat location. This microwave oven should be set on a steady, flat surface. 2. Leave space behind and side. All air vents should be kept a clearance. If all vents are covered during operation, the oven may be overheated and, eventually, cause oven failure. 3. Awa y fr om radio, and TV sets Poor television reception and [...]

  • Page 7

    1. Connect the main lead to an electrical outlet. 2. After placing the food in a suitable container, open the oven door and put it on the glass tray. The glass tray must always be in place during cooking. 3. Close the door securely. 4. Choose cooking power level by setting V.P.C knob to the desired position. Refer to cookbook for recommended power [...]

  • Page 8

    7 DISASSEMBL Y AND ASSEMBL Y Cautions to be observed when trouble shooting. Unlike many other appliances, the microwave oven is high-voltage, high-current equipment. It is completely safe during normal operation. However, carelessness in servicing the oven can result in an electric shock or possible danger from a short circuit. You are asked to obs[...]

  • Page 9

    8 1. T o remove cabinet 1) Remove three screws on cabinet back. 2) Push the cabinet backward. 2. T o remove door assembl y 1) Remove two screws which secure the stopper hinge top. 2) Remove the door assembly from top plate of cavity. 3) Reverse the above for reassembly. NOTE : After replacing the door assembly, perform a check of correct alignment [...]

  • Page 10

    9 4. Method to reduce the gap between the door seal and the oven fr ont surface. (1) To reduce gap located on part ‘ A ’ Loosen a screws on stopper hinge top, and then push the door to contact the door seal to oven front surface. Tighten two screws. (2) To reduce gap located on part ‘ B ’ Loosen two screws on stopper hinge under, and then p[...]

  • Page 11

    10 5. T o remove contr ol panel parts. 1) Remove the screw which secure the control panel, push up two snap fits and draw forward the control panel assembly. 2) Remove the door open lever from the control panel. 3) Remove four screws which secure the timer assembly. 4) Remove the timer assembly. 5) Pull out the timer knob from the timer. 6) Pull ou[...]

  • Page 12

    11 6. T o remove high v oltage capacitor . 1) Remove a screw which secure the grounding ring terminal of the H.V. diode and the capacitor holder. 2) Remove the H.V. diode from the capacitor holder. 3) Reverse the above steps for reassembly. ◆ High v oltage circuit wiring 7. T o remove magnetr on. 1) Remove a screw which secure the magnetron. 2) R[...]

  • Page 13

    12 NOTE : Never install the magnetron without the metallic gasket plate which is packed with each magnetron to pre - vent microwave leakage. Whenever repair work is carried out on magnetron, check the microwave leakage. It shall not exceed 4mW/cm 2 for a fully assembled oven with door normally closed. 8. T o remove wind guide assembl y . 1) Remove [...]

  • Page 14

    13 INTERLOCK MECHANISM AND ADJUSTMENT The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave. (3) Adjustment steps 1) Loosen the mounting screw. 2) Adjust interlock swi[...]

  • Page 15

    14 TR OUBLE SHOO TING GUIDE (TROUBLE 1) Door shut, timer set, but no cooking takes place. Following the pr ocedure belo w to chec k if the o ven is def ective or not. 1. Check grounding before trouble checking. 2. Be careful of the high voltage circuit. 3. Discharge the high voltage capacitor. 4. When checking the continuity of the switches, fuse o[...]

  • Page 16

    15 Does the oven lamp light? Does the turntable turn? YES YES Continuity Does the fan motor work when you shut the door and turn the timer? Check the isolation of filament winding of high voltage transformer. Replace high voltage transformer. NO Continuity Replace magnetron Good Replace or repair oven lamp, turntable motor. NO If microwave do not o[...]

  • Page 17

    16 MEASUREMENT AND TEST 1. MEASUREMENT OF THE MICRO W A VE PO WER OUTPUT Microwave output power can be checked by indirectly measuring the temperature rise of a certain amount of water exposed to the microwave as directed below. PROCEDURE 1. Microwave power output measurement is made with the microwave oven supplied at rated voltage and operated at[...]

  • Page 18

    17 2. MICRO W A VE RADIA TION TEST PROCEDURES 1 . Prepare Microwave Energy Survey Meter, 600cc glass beaker, and glass thermometer 100 ˚ C(212 ˚ F). 2. Pour 275cc±15cc of tap water initially at 20 ±5 ˚ C(68±9 ˚ F) in the 600cc glass beaker with an inside diameter of approx. 95mm(3.5in.). 3. Place it at the center of the tray and set it in a [...]

  • Page 19

    18 3. COMPONENT TEST PROCEDURE • High voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle. • It is neither necessary nor advisable to attempt measurement of the high voltage. • Before touching any oven components or wiring, always unplug the oven from its power source and discharge the capa[...]

  • Page 20

    19 WIRING DIA GRAM[...]

  • Page 21

    20 EXPLODED VIEW AND P AR TS LIST 1. DOOR ASSEMBL Y Ref er to Disassembly and assemb ly . 2. CONTROL P ANEL ASSEMBL Y Ref er to Disassembly and assemb ly . 3. T O T AL ASSEMBL Y[...]

  • Page 22

    21 NO PART CODE PART NAME DESCRIPTION Q'TY A00 3511714420 DOOR AS KOR-63D59A 1 3511714450 DOOR AS KOR-63F59A 1 B00 3516720620 CONTROL-PANEL AS KOR-63D79S 1 3516720630 CONTROL-PANEL AS KOR-63F79S 1 F01 3510805000 CABINET SECC T0.5 1 F02 7112401011 SCREW TAPPING T1 TRS 4*10 MFZN 3 F03 3516109000 CAVITY WELD AS CAVITY WELD AS 1 3516109600 CAVITY [...]

  • Page 23

    22 NO PART CODE PART NAME DESCRIPTION Q'TY F23 3518701100 FUSE HV 5KV 0.55A HV-41A55-02 1 F24 3518113751 TRANS HV TM-N70S0-63T(KOR-63D79S/63F79S) 1 3518113701 TRANS HV DY-N80S0-63T(KOR-63D70S/63F70S) 1 F25 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F26 3510311700 BASE SBHG T0.7 1 F27 7112401011 SCREW TAPPING T1 TRS 4*10 MFZN 5 F28 3512100[...]

  • Page 24

    S/M NO . : R63D79S002 D AEW OO ELECTRONICS CO ., L TD . 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX: DWELEC K28177-8 CABLE: “DAEWOOELEC” PRINTED D A TE: J un. 2001[...]