Daewoo KOR-63FB9S manual

Ser vice Manual Micr owave Oven Model: KOR-63DB9S KOR-63DB0S KOR-63FB9S KOR-63FB0S DAEWOO ELECTRONICS CO., L TD. S/M No. : R63DB9S002 ✔ 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[...]

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[...]

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) [...]

MODEL KOR-63DB9S KOR-63DB0S POWER SUPPLY 230V-50Hz, SINGLE PHASE WITH EARTHING POWER MICROWAVE 1000W 1200W CONSUMPTION GRILL COMBINATION MICROWAVE ENERGY OUTPUT 700W 800W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS (W X H X D) 465 x 279 x 342 mm (18.3 x 11.0 x 13.5 in) CAVITY DIMENSIONS (W X H X D) 290 x 220 x 306 mm (11.4 x 8.7 x 12.0 in) NET W[...]

4 EXTERNAL VIEW 1. OUTER DIMENSION (1) KOR-63DB9S/63DB0S (2) KOR-63FB9S/63FB0S[...]

5 1. DOOR SEAL Door seal maintains the microwave within the oven cavity and prevents microwave leakage. 2. 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. 3. DOOR SCREEN Allows viewing of food. Microwave cannot pass through perforations in[...]

6 POWER M/W DEF . END STOP CLEAR DEFROST CLOCK BEVERAGE AUTO COOK MORE LESS PROZEN PIZZA P AST A 1HOUR 10MIN 1MIN 10MIN 1 MIN 10SEC ST ART SPEEDY COOK 1 2 3 5 7 8 0 4 6 9 q 1 1. Display – Cooking time, power level, indicators and present time are displayed. 1 2. Power – Used to set power level. 1 3. Defrost – Used to defrost foods. (for time)[...]

7 INST ALLA TION 1. Steady , flat location. This microwave oven should be set on a steady, flat surface. This microwave oven is designed for counter top use only. 2. Leave space behind and side. All air vents should be kept a clearance. If all vents are covered during operation, the oven may overheat and, eventually, cause failure. 3. Awa y fr om r[...]

8 OPERA TIONS AND FUNCTIONS 1 1. Connect the main lead to an electrical outlet. 1 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. 1 3. Close the door securely. 1 4. When the oven door is opened, the light turns ON. 1 5. The oven door can be op[...]

9 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[...]

10 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[...]

11 3. T o remove door parts. REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARK A01 3512203880 FRAME DOOR PP SI83C 1 KOR-63DB 3512205200 FRAME DOOR PP SI83C 1 KOR-63FB A02 3517007300 BARRIER-SCREEN*0 PET T0.125 1 A03 3515204100 STOPPER SINGE *T AS KOR-63150S 1 A04 3511705500 DOOR WELD AS KOR-61150S 1 A05 3517002800 BARRIER-SCREEN *I T0.1 1 A06 3[...]

12 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 [...]

13 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 PCB assembly to control panel. 4) Disconnect membrane tail from the connector of the PCB assembly. [...]

14 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. 6. T o remove high v oltage capacitor . 1) Remo[...]

15 8. T o remove wind guide assembl y . 1) Remove a screw for earthing. 2) Remove the noise filter from the wind guide. 3) Remove a screw which secure the wind guide assembly. 4) Draw forward the wind guide assembly. 5) Pull the fan from the motor shaft. 6) Remove two screws which secure the motor shaded pole. 7) Remove the motor shaded pole. 8) Re[...]

16 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. (1) Primary interlock switch When the door is closed, the hook locks the o[...]

17 (TROUBLE 1) Oven does not operate at all ; any inputs can not be accepted. TR OUBLE SHOO TING GUIDE 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 swi[...]

18 CONDITION CHECK Check continuity of primary inter- lock switch Malfunction of pri- mary interlock switch RESULT No Continuity CAUSE REMEDY Adjust or replace Turn table motor and oven lamp do not turn on Check continuity of secondary interlock switch Malfunction of sec- ondary interlock switch No Continuity Adjust or replace Check D.C. voltage be[...]

19 (TROUBLE 3) No microwave oscillation even though fan motor rotates. CONDITION CHECK RESULT Check continuity of high voltage capacitor terminals with wires removed Continuity CAUSE Defective high voltage trans- former REMEDY Replace No microwave oscillation Check continuity of high voltage fuse Replace high voltage fuse Continuity Check continuit[...]

20 (TROUBLE 4) The following visual conditions indicate a probable defective touch control circuit or membrane switch assembly. 1 1. Incomplete segments (1) Segments missing (2) Partical segments missing (3) Digit flickering other than normal display slight flickering (4) “ :0 ” does not display when power is on. 1 2. A distinct changes in the [...]

21 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[...]

22 2. MICR O 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 [...]

23 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[...]

24 WIRING DIA GRAM[...]

25 1. CIRCUIT CHECK PROCEDURE 1. Low V oltage T ransf or mer check • The low voltage transformer is located on the P.C.B. • Measuring condition: input voltage : 230V/Frequency : 50Hz 2. V oltage check • Key check point • Check method PRINTED CIRCUIT BO ARD NO CHECK POINT REMARK 1 IC 1 PIN 14 -5 VDC 2 IC 1 PIN 22 3 IC 1 PIN 1 OR 2 NOTE : Eac[...]

26 Measure Point MP1 MP2[...]

27 3. When there is no microw av e oscillation 1) When touching START pad, oven lamp does not turn on. Fan motor does not rotate, but cook indicator in display comes on. * Cause : RELAY 2 does not operate. → refer to Circuit Diagram (Point 3) - Check method 2) When touching START pad, oven lamp turns on. Fan motor and turntable rotate and cook in[...]

28 2. PCB CIRCUIT DIA GRAM[...]

29 NO. NAME SYMBOL SPECIFICATION PART CODE Q'TY 1 CAPACTIOR ELEC EC1 16V RS 100MF CEXF1C101V 1 2 CAPACTIOR ELEC EC2 25V RSS 1000MF CEXF1E102V 1 3 CONNECTOR WAFER CN1 YW396-02V 351915020 1 4 CONNECTOR FILM CN2 FCZ 254-10P 441M367150 1 5 CONNECTOR WAFER CN3 YW396-05AV 3519150510 1 6 DIODE RECTIFY D1~9 1N4148 DZN4148--- 9 7 DIODE RECTIFY D10, D11[...]

30 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 EXPLODED VIEW AND P AR TS LIST[...]

31 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-63DB9S 1 3516720640 CONTROL-PANEL AS KOR-63FB9S 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 [...]

32 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-63DB9S/63FB9S) 1 3518113701 TRANS HV DY-N80S0-63T (KOR-63DB0S/63FB0S) 1 F25 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F26 3510311710 BASE SECC T0.6 1 F27 7112401011 SCREW TAPPING T1 TRS 4*10 MFZN 5 F28 35121[...]

S/M NO . : R63DB9S002 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 ul . 2001[...]