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S/M No. : R63D59A001
Service Manual
Microwave Oven
Model: KOR-63D59A
DAEWOO ELECTRONICS CO., LTD.
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PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE 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 necessary: (1) Interlock operation, (2) Proper door closing, (3) Seal and sealing surfaces (arcing, wear, and other damage), (4) Damage to or loosening of hinges and lat
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SAFETY AND PRECAUTIONS CAUTION This device is to be Serviced only by Properly Qualified Service Personel. Consult the Service Manual for Proper Service Procedures to Assure Continued Safety Operation and for Precautions to be Taken to Avoid Possible Exposure to Excessive Microwave Energy. 1. FOR SAFE OPERATION 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 CO
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SPECIFICATIONS MODEL KOR-63D59A POWER SUPPLY 120V~60Hz, SINGLE PHASE WITH GROUNDING MICROWAVE 1000W POWER GRILL CONSUMPTION COMBINATION MICROWAVE ENERGY OUTPUT 700W 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) NET WEIGHT Approx. 11.5 kg (25.3 Ibs.) TIMER 35 min. FUNCTION SELECTIONS MICROWAVE POWER SELECTIONS 5 LEVELS CAVITY VOLUME 0.7 Cu. Ft. * SPECIFICATIONS ARE SUBJE
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EXTERNAL VIEW 1. OUTER DIMENSION (KOR-631G,H/KOR-861G,H) 2. FEATURE DIAGRAM 11. Safety interlock system 12. Doorviewing screen Allows viewing of food. MThe screen is designed so that light can pass through, but not the microwave. 13. Door hook When the door is closed, it will automatically lock shut. If door is opened while oven is operating, magnetron tube will immediately stop operating. 14. Oven cavity 15. Door seal Door seal maintains the microwave within the oven cavity and prevents micr
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INSTALLATION 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. Away from radio, and TV sets Poor television reception and radio interference may result if the oven is located close to a TV, radio, antenna, or feeder and so on. 4. Away from heating appliances and water taps Keep
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OPERATIONS AND FUNCTIONS 11. Connect the main lead to an electrical outlet. 12.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. 13. Close the door securely. 14.Choose cooking power level by setting V.P.C knob to the desired position. Refer to cookbook for recommended power levels. 15. Determine cooking time. Consult cookbook for recipe timing. Oven light turns on and cooling fan starts to opera
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1. To remove cabinet 2. To remove door assembly 1) Remove three screws on cabinet back. 1) Remove two screws which secure the stopper hinge 2) Push the cabinet backward. top. 2) Remove the door assembly from top plate of cavity. 3) Reverse the above for reassembly. 3. To remove door parts. REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARK A01 3512203880 FRAME DOOR PP SI83C 1 A02 3517007300 BARRIER-SCREEN *O PET T0.125 1 A03 3515204100 STOPPER HINGE *T AS KOR-63150S 1 A04 3511705500 DOOR WELD
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1) Remove the gasket door from door plate. 2) Remove the door frame from door plate. 3) Remove the stopper hinge top from door plate. 4) Remove the spring and the hook. 5) Remove the barrier screen outer from door frame. 6) Reverse the above steps for reassembly. 4. 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 top, and then push the door to contact the door seal to oven front surface. Tighten two
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5. To remove control panel parts. REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARK B01 3513405500 KNOB VPC ABS XR-401 H-2938 1 B02 3516725310 CONTROL-PANEL ABS VT-0826 AF-348 1 B03 3515101600 SPRING FLAT SUS 301 T0.5 1 B04 3517400500 COUPLER VPC KNOB POM 1 B05 7122401211 SCREW TAPPING T2S TRS 4*12 MFZN 1 B06 3517400400 COUPLER TIMER POM 1 B07 3518204300 TIMER KN35MKD 15U-P 1 B08 7122401211 SCREW TAPPING T2S TRS 4*12 MFZN 2 B09 3513405410 KNOB ABS XR-401 H-2938 1 B10 3513702710 LEVER DOOR OPE
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TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective 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 or high voltage transformer, disconnect one lead wire from these parts and check continuity with the AC plug removed. To do otherwise may result in a false reading or damage to your meter. NOTE : When electric parts are c
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Does the fan motor work when you shut the door and turn the timer? YES NO Does the oven lamp light? Replace or repair oven lamp, Does the turntable turn? turntable motor. YES Normal reading should be approx. 0Ω NO If microwave do not oscillate, Continuity NO Continuity Check continuity filament tap Replace high volt- check continuity of filament (3.3V) of high voltage. age transformet of magnetron. Poor continuity Continuity Continuity in the reverse Check the diode for continuity direction. Re
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MEASUREMENT AND TEST 1. MEASUREMENT OF THE MICROWAVE POWER 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 its maximum microwave power setting with a load of 1000±5cc of potable water. 2. The water is contained in a cylindrical borosilicate glass vessel having a
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2. MICROWAVE RADIATION TEST WARNING : 1. Make sure to check the microwave leakage before and after repair of adjustment. 2. Always start measuring of an unknown field to assure safety for operating personnel from microwave energy. 3. Do not place your hands into any suspected microwave radiation field unless the safe density level is known. 4. Care should be taken not to place the eyes in direct line with the source of microwave energy. 5. Slowly approach the unit under test until the radiometer
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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 capacitor. 1. High voltage transformer (1) Remove connections from the transformer terminals and check continuity. (2) Normal readings should be as follows: Second
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WIRING DIAGRAM 19
