Summary of the content on the page No. 1
S/M No. : R631G0P001
Service Manual
Microwave Oven
Model: KOR-631G0P
KOR-631H0P
KOR-861G0P
KOR-861H0P
4 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 Information Center (http://svc.dwe.co.kr).
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) M ake the following safety checks on all ovens to be serviced before activating the m agnetron or other microwave source, and make repairs as necessary: (1) Interlock operation, (2) Proper door closing, (3) Seal and sealing surfaces (arcing, wear, and other damage), (4) Dam age to or loosening of hinges and
Summary of the content on the page No. 3
SAFETY AND PRECAUTIONS 1. FOR SAFE OPERATION Dam age that allows the m icrowave energy (that cooks or heats the food) to escape will result in poor cooking and m ay cause serious bodily injury to the operator. IF ANY O F THE FOLLO W ING CO NDITIO NS EXIST, O PERATO R MUST NO T USE THE APPLIANCE. (O nly a trained service personnel should m ake repairs.) 1) A broken door hinge. 2) A broken door viewing screen. 3) A broken front panel, oven cavity. 4) A loosened door lock. 5) A broken door lock. T
Summary of the content on the page No. 4
SPECIFICATIONS MODEL KOR-631G/H KOR-861G/H PO WER SUPPLY 220V-60Hz, SINGLE PHASE WITH EARTHING MICROWAVE 1200W 1300W PO WER GRILL CONSUMPTION CO MBINATION M IC ROW AVE ENERGY OU TPUT 800W 900W M IC ROW AVE FREQUENC Y 2450M Hz OUTSIDE DIMENSIONS (W X H X D) 465 x 279 x 360mm (18.3 x 11.0 x 14.2 in.) 495 x 294 x 388mm (19.5 x 11.6 x 15.3 in.) CAVITY DIM ENSION S (W X H X D) 290 x 220 x 306 m m (11.4 x 8.7 x 12.0 in.) 320 x 244 x 338m m (12.6 x 9.6 x 13.3 in.) NET W EIG HT APPROX. 13Kg ( 28.7lbs.
Summary of the content on the page No. 5
EXTERNAL VIEW 1. OUTER DIMENSION (KOR-631/861) 465/495 360/388 Fig.2 Side View Fig.1 Front View 279/294
Summary of the content on the page No. 6
EXTERNAL VIEW 2. FEATURE DIAGRAM 1. DOOR SEAL Door seal maintains the microwave within the oven cavity and prevents microwave leakage. 2. DOOR HOOK When 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. SPATTER SHIELD Protects the microwave outlet from splashes of cooking foods. 5. OVEN LAMP Automatically turns
Summary of the content on the page No. 7
EXTERNAL VIEW 3. CONTROL PANEL (1) KOR-631G/861G 1. Time set pad - Used to set the cooking time and the present time. 2. Display - Cooking time, power level, indicators and present tim e 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
Summary of the content on the page No. 8
EXTERNAL VIEW (2) KOR-631H/861H - Used to set the cooking time and the present time. 1. Time set pad 2. Display - Cooking time, power level, indicators and present tim e are displayed. - Used to cook or reheat specific quantities of food. 3. One touch 4. More - Used to add time to cooking. - Used to remove time from cooking. 5. Less 6. Auto Defrost - Used to defrost foods.(for weight) - Used to set power level. 7. Power 8. Defrost - Used to defrost foods.(for time) - Used as a minute timer,
Summary of the content on the page No. 9
INSTALLATION 1. Steady, flat location This m icrowave oven should be set on a steady, flat surface. This m icrowave 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 m ay overheat and, eventually, cause failure. 3. Away from radio and TV sets Poor television reception and radio interference m ay result if the oven is located close to a TV, radio, antenna or feeder and so on. Pos
Summary of the content on the page No. 10
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. W hen the oven door is opened, the light turns off. 5. The oven door can be opened at any time during operation by touching the door release button on the control panel. The oven will automatically shut off. To restart the oven, close th
Summary of the content on the page No. 11
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 safety 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 rub
Summary of the content on the page No. 12
DISASSEMBLY AND ASSEMBLY 1. To remove cabinet 1) Remove three screws on cabinet back. 2) Push the cabinet backward. .2. To remove door assem bly 1) Remove a screw 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 assem bly, perform a check of correct alignm ent with the hinge and cavity front plate.
Summary of the content on the page No. 13
4 Caution: In this Service 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 information Center(http://svc.dwe.co.kr) DISASSEMBLY AND ASSEMBLY 3. To remove door parts. DOOR ASSEMBLY : 3511710300(KO R-631) 3511710700(KO R-861) (1) KOR-631G/631H REF. NO PART CODE PART NAME DESCRIPTION QTY REMARK A01 3512203800 FRAM E DO O R ABS XR-401 H-2938 1 A02 35170
Summary of the content on the page No. 14
DISASSEMBLY AND ASSEMBLY 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 reduc
Summary of the content on the page No. 15
4 Caution: In this Service 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 information Center(http://svc.dwe.co.kr) DISASSEMBLY AND ASSEMBLY 5. To remove control panel parts. CONTROL PANEL ASSEMBLY : PKCPSW ZH00(KOR-631G) PKCPSW ZM00(KOR-631H) PKCPSW NK00(KOR-861G) PKCPSW NJ00(KOR-861H) (1) KOR-631G/631H REF.NO PART CODE PART NAME DESCRIPTION QTY REM
Summary of the content on the page No. 16
DISASSEMBLY AND ASSEMBLY 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 assem bly. 5) Detach membrane from the control panel. 6) Remove door open button and button spring from the control panel. 7) Reverse the above steps for reassembly. 6. To re
Summary of the content on the page No. 17
DISASSEMBLY AND ASSEMBLY 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.
Summary of the content on the page No. 18
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
Summary of the content on the page No. 19
TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective or not. 1) Check earthing 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 W hen electric parts are chec
Summary of the content on the page No. 20
TROUBLE SHOOTING GUIDE CONDITION CHECK RESULT CAUSE REM EDY R eplace C heck continuity of No Defective O utlet has m agnetron C ontinuity m agnetron proper voltage Fuse does not blow. C heck continuity of No R eplace Defective line noise filter board C ontinuity filter board C heck continuity of No O pen pow er R eplace power supply cord C ontinuity supply cord Norm al Adjust Defective touch control circuit NOTE All these switches m ust be replaced at the sam e tim e, please refer to “Interlock
