Daewoo KOR-630A1A user manual

User manual for the device Daewoo KOR-630A1A

Device: Daewoo KOR-630A1A
Category: Microwave Oven
Manufacturer: Daewoo
Size: 0.74 MB
Added : 3/16/2013
Number of pages: 40
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

S/M No. : R630A0A9A1
Service Manual
Microwave Oven
Model: KOR-630A1A KOR-630A0A
KOR-860A1A KOR-860A0A
KOR-630A9A
DAEWOO ELECTRONICS CO., LTD.

Summary of the content on the page No. 2

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

Summary of the content on the page No. 3

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

Summary of the content on the page No. 4

SPECIFICATIONS MODEL KOR-630A0A, KOR-630A1A KOR-860A0A, KOR-860A1A POWER SUPPLY 120V~60Hz, SINGLE PHASE WITH GROUNDING MICROWAVE 1200W 1350W POWER GRILL CONSUMPTION COMBINATION MICROWAVE ENERGY OUTPUT 800W 900W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS (W X H X D) 465 x 279 x 360 mm (18.3 x 11.0 x 14.2 in) 495 x 294 x 388 mm (19.5 x 11.6 x 15.3 in) CAVITY DIMENSIONS (W X H X D) 290 x 211 x 306 mm (11.4 x 8.3 x 12.0 in) 320 x 228 x 388 mm (12.6 x 9.0 x 13.3 in) NET WEIGHT Approx. 12 kg (26.5

Summary of the content on the page No. 5

EXTERNAL VIEW 1. OUTER DIMENSION 465/495 360/388 4 279/294

Summary of the content on the page No. 6

2. FEATURE DIAGRAM 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 screen. 4. COVER WAVE GUIDE Protects the microwave outlet from splashes of cooking foods. 5. OVEN LAMP Automatically turns on during

Summary of the content on the page No. 7

3. CONTROL PANEL BVERAGE 1. Time set pad – Used to set the cooking time and the present time. 2. Display – Cooking time, power level, indicators and present time are displayed. 3. One touch – Used to cook or reheat specific quantities of food. 4. Auto cook – Used to cook or reheat. 5. More – Used to add time to cooking. 6. Less – Used to remove time from cooking. 7. Auto Defrost – Used to defrost foods. (for weight) 8. Power – Used to set power level. 9. Defrost – Used to defrost foods. (for tim

Summary of the content on the page No. 8

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

Summary of the content on the page No. 9

OPERATIONS AND FUNCTIONS 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. When the oven door is opened, the light turns off. 5. The oven door can be opened at any time during operation. The oven will automatically shut off. To restart the oven, close the door and then touch START. 6. Each time a button is touch

Summary of the content on the page No. 10

DISASSEMBLY AND ASSEMBLY 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 observe the following precautions carefully. 1. Always remove the power plug from the outlet before servicing. 2. Use an insulated screwdriver and ware rubb

Summary of the content on the page No. 11

1. To remove cabinet 1) Remove three screws on cabinet back. 2) Push the cabinet backward. 2. To remove door assembly 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 with the hinge and cavity front plate. 10

Summary of the content on the page No. 12

3. To remove door parts. 1) KOR-630A REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARK 3512203810 FRAME DOOR ABS XR-401, H-2938 1 KOR-630A0A/1A A01 3512203890 FRAME DOOR ABS SG-175V, SG-076D 1 KOR-630A9A A02 3517003050 BARRIER-SCREEN*0 ACRYL 1 A03 3515304610 SUPPORTER BARR-S*0 PP 1 A04 3515204100 STOPPER SINGE *T AS KOR-63150S 1 A05 3511705500 DOOR WELD AS KOR-61150S 1 A06 3517002800 BARRIER-SCREEN *I POLYESTER T0.1 1 A07 3512300200 GASKET DOOR PP 1 3513100700 HOOK POM 1 KOR-630A0A/1A A08 351

Summary of the content on the page No. 13

(1) Remove the gasket door from door weld as. (2) Remove the barrier screen inner from door weld as. (3) Remove the door frame from door weld as. (4) Remove the stopper hinge top from door weld as. (5) Remove the spring and the hook. (6) Remove the supporter barrier screen outer from door frame. (7) Remove the barrier screen outer from door frame. (8) 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

Summary of the content on the page No. 14

5. To remove control panel parts. 1) KOR-630A REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARK B01 3518221400 SWITCH MEMBRANE KOR-630A0A 1 3516719510 CONTROL PANEL ABS AF-345, HFA-700HT 1 KOR-630A0A/1A B02 3516719540 CONTROL PANEL ABS AF-348, VT-0826 1 KOR-630A9A PKMPMSZD00 PCB MAIN AS KOR-631A0A 1 KOR-630A0A/1A B03 PKMPMSZ400 PCB MAIN AS KOR-631H9A 1 KOR-630A9A B04 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 1 B05 3513702710 LEVER DOOR OPEN ABS XR-401 H-2938 1 B06 441G430171 SPRING BUTTON SW

Summary of the content on the page No. 15

6. To remove high voltage 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. u High voltage circuit wiring 7. To remove magnetron. 1) Remove a screw which secure the magnetron. 2) Remove the magnetron. 3) Reverse the above steps for reassembly. NOTE : Never install the magnetron without the metallic gasket plate which is packed with each m

Summary of the content on the page No. 16

8. To remove wind guide assembly. 1) Remove a screw which secure the wind guide assembly. 2) Draw forward the wind guide assembly. 3) Pull the fan from the motor shaft. 4) Remove two screws which secure the motor shaded pole. 5) Remove the motor shaded pole. 6) Reverse the above steps for reassembly. 9. 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 reassembly. 15

Summary of the content on the page No. 17

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 oven door. If the door is not closed properly, the oven will not operate. When the door is closed, the hook pushes the button of the microswitch. Then th

Summary of the content on the page No. 18

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

Summary of the content on the page No. 19

CONDITION CHECK RESULT CAUSE REMEDY Replace No Outlet has Defective mag- Check continuity of magnetron Continuity proper volt- netron age Fuse does not Replace blow. No Check continuity of Open power sup- Continuity power supply cord ply cord Replace Normal Defective touch control circuit Replace Malfunction of sec- Display do not shown ondary interlock countdown switch NOTE All these switches must be replaced at the same time, please refer to “Interlock Mechanism And Adjustment”. (TROUBLE 2) D

Summary of the content on the page No. 20

(TROUBLE 3) No microwave oscillation even though fan motor rotates. CONDITION CHECK RESULT CAUSE REMEDY No Continuity Replace Check continuity of high Defective high microwave voltage capacitor terminals voltage trans- oscillation with wires removed former Continuity in Replace Check continuity of high voltage Defective high backward rectifier in forward and backward voltage rectifier direction direction with DC megger Continuity Connect megger leads to mag- Replace Defective mag- netron term


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