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S/M No. : C1B0K0S002
Microwave Oven
Model : KOC-1B0K0S
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.
http : //svc.dwe.co.kr Nov. 2000
Service Manual
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(b) Make the following safety checks on all ovens to be serviced before activating the magnetron 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) Damage to or loosening of hinges and latches, (c) Before turning on power to the microwave oven for any service test or inspection within the microwave generating compartments, check the magnetron, wave guide or transmission li
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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 CONDITIONS EXIST, OPERATOR MUST NOT USE THE APPLIANCE. (Only a trained service personnel should make 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. The door gasket
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KO C - POWER SUPPLY MICROWAVE 1 5 00W POWER 1600W CONSUMPTION CONVECTION 2300W COMBINATION 3100W MICROWAVE ENERGY OUTPUT 1000W MICROWAVE FREQUENCY OUTSIDE DIMENSIONS (W X H X D) 5 x x mm ( x 1 x in.) CAVITY DIMENSIONS (W X H X D) x 2 x 3 mm (1 x 9 .7 x 1 in.) NET WEIGHT Kg ( lbs.) TIMER min FUNCTION SELECTIONS MICRO WAVE/ GRILL/ CONVECTION/ COMBINATION POWER SELECTIONS CAVITY VOLUME 1.2 Cu.Ft. l 3-1. OUTER DIMENSION Fig. 1 Front view Fig. 2 Side 3 view 3. EXTERNAL VIEW SPECIFICATION
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1 . Door hook – When the door is closed, it will automatically shut. If the door is opened while the oven is operating, the magnetron will immediately stop operating. – Allows viewing of food. The screen is designed so that light can pass through, but not the microwave. 3. Metal rack 4. Top heater – Turns on when convection, grill and combi cooking is selected. 5. – Automatically turns on during oven operating. 6 7 . 8 . Turntable – Rotates during cooking and ensure even distr
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Steady, This microwave oven should be set on a steady, flat surface. This microwave oven is designed for counter top use only. 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. Poor television reception and radio interference may result if the oven is located close to a TV, radio, antenna or feeder and so on. Position the oven as far from them as possible.
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c o n y v t i e t i n c b t u i m o q o n c t h 5. CONTROL PANEL DISPLAY WINDOW 1. MICROWAVE indicator, showing microwaving in progress. 2. DEFROST indicator, showing
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- 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 rubber gloves when servici
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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) 1. To remove cabinet (1) Remove four 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 plat
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(1) Remove the gasket door from door plate. (2) Remove a screw from door plate. (3) Remove the door frame from door plate. (4) Remove the stopper hinge top from door plate. (5) Remove the spring and the hook. (6) Remove two screws from door frame. (7) Remove the handle door and barrier screen outer from door frame. ( 8 ) Remove the barrier screen outer from handle door . (9) Reverse the above steps for reassembly. 4. Method to reduce the gap between the door seal and the oven front s
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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) 5. To remove control panel parts. Q ’ 351 H-2938 1 1 WINDOW DISPLAY 1 1 1 1 1 SCREW TAPPING 3 1 SCREW TAPPING 7 1 1 1 1 1 6. Remove the screw which secure the control panel, push up two snap fits and draw
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6. To remove high voltage capacitor. (1) Remove a screw which secure the groun- ding 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. l 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. CAUTION : Never install the magnetron witho
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8. To remove wind guide assembly. (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) Reverse the above steps for reassembly. 9. To remove H.V.transformer . (1) Remove four screws holding the H.V transformer. (2) Rem
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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) 10. To remove Lamp assembly parts. 1 6 7 2 8 3 5 4 9 REF.NO PART CODE PART NAME DESCRIPTION Q ’TY REMARK 1 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 2 3512520500 GUIDE AIR OUTLET SA1D T0.5 1 3 3513302800 INSULATOR HEATER *T SBHG T0.6
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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) 11. To remove Top heater assembly parts. 5 6 7 1 2 8 3 4 REF.NO PART CODE PART NAME DESCRIPTION Q ’TY REMARK 1 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 2 3512520500 GUIDE AIR OUTLET SA1D T0.5 1 3 3513302800 INSULATOR HEATER *T SBHG
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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) 12. To remove Rear heater assembly parts. 1 2 18 17 16 15 14 13 12 3 4 5 8 7 6 11 10 9 Q ’T REF.NO PART CODE PART NAME DESCRIPTION REMARK Y 1 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 2 3511407300 COVER MOTOR *B SBHG T0.6 1 3 71
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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) 13. To remove Motor synchro. And Under heater assembly parts. 5 4 3 2 1 CUTTING (6EA) REF.NO PART CODE PART NAME DESCRIPTION Q ’TY REMARK 1 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 2 3511407500 COVER HEATER *U STS430 T0.5 1 3 351530
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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) 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 losed, the hook pushes the lock lever downward. The lock lever presses the button of the microswitch. Then the button of th
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8. TROUBLE SHOOTING GUIDE Following the procedures below to check if the oven is defective or not. 1. Check grounding before checking trouble. 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 then check continuity with the AC plug removed. To do otherwise may result in a false reading or damage to your meter. NOTE : When electric
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. CONDITION CHECK RESULT CAUSE REMEDY Check continuity of Continuity magnetron. magnetron voltage Check continuity of ? Continuity noise filter board Noise filter Adjust Check continuity of Continuity supply cord Continuity Adjust touch control Circuit NOTE : All these switches must be replaced at the same time, please refer to (7.Interlock mechanism and Adjust) for adjustment instructions 2 ) Grill heater (top heater) is not heated; food will not become hot . CONDITION CHECK RESULT CAUSE REMEDY
