Service manual microwave oven model: kqg-6c4r5s kqg-6c5r5s s/m no. :g6c4r5s001 apr. 2005 ✔ 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 ser...
1 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- w...
2 safety and precautions 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 trai...
3 model kqg-6c4r5s / kqg-6c5r5s power supply 230v~50hz, single phase with earthing power microwave 1200 w consumption grill 1050 w combination 2200 w microwave energy output 800w microwave frequency 2450mhz outside dimensions (wxhxd) 465x279x384mm cavity dimensions (wxhxd) 290x220x306mm net weight a...
4 external view (kqg-6c4r5s) 1. Outer dimension 1 1 door seal - door seal maintains the microwave energy within the oven cavity and prevents microwave leakage. 2 2 cover heater 3 3 heating element 4 4 oven cavity 5 5 safety interlock system 6 6 metal rack 7 7 coupler - this fits over the shaft in th...
5 external view (kqg-6c5r5s) 1. Outer dimension 1 1 door seal - door seal maintains the microwave energy within the oven cavity and prevents microwave leakage. 2 2 cover heater 3 3 heating element 4 4 oven cavity 5 5 safety interlock system 6 6 metal rack 7 7 coupler - this fits over the shaft in th...
6 y r e p t i o w a s d u w w auto cook - used to cook using a program or to reheat. E e micro power - used to set power level. R r auto defrost - used to defrost foods by weight. T t clock - used to set clock. Y y display - cooking time, power level, indicators and present time are displayed. U u s...
7 y r e p t o i w a s d u w w auto cook - used to cook using a program or to reheat. E e micro power - used to set power level. R r auto defrost - used to defrost foods by weight. T t clock - used to set clock. Y y display - cooking time, power level, indicators and present time are displayed. U u s...
8 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,...
9 operations and functions plug power supply cord into 230v ac 50hz power outlet. After placing the food in a suitable container, open the oven door and put it on the glass tray. The glass tray and roller guide must always be in place during cooking. Close the door. Make sure that it is firmly close...
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 safety during normal operation. However, carelessness in servicing the oven can result in an electric shock or possibl...
11 1. To remove cabinet 1) remove three screws on cabinet back. 2) push the cabinet backward. 2. To remove door assembly 1) remove a 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 a...
12 ref no. Part code part name description q'ty remark a01 3511614900 decorator door as kor-6q4r5s 1 a02 3512209000 frame door abs sg-0760d sg-175 1 a03 3517009100 barrier-screen *o san cr-5381 smog 1 a04 3515204100 stopper hinge *t as kor-63150s 1 a05 3511719500 door painting as kor-6c0b5s 1 a06 35...
4. Method to reduce the gap between the door seal and the oven front surface. (1) to reduce gap located on part ‘a’ • loosen two 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 t...
5. To remove control panel parts. (kqg-6c4r5s) 1) remove the screw which secure the control panel, push up two snap fits and draw forward the control panel assembly. 2) remove screws which secure the pcb assembly to control panel. 3) disconnect membrane tail from the connector of the pcb assembly. 4...
15 (kqg-6c5r5s) 1) remove the screw which secure the control panel, push up two snap fits and draw forward the control panel assembly. 2) remove screws which secure the pcb assembly to control panel. 3) disconnect membrane tail from the connector of the pcb assembly. 4) detach the function buttons a...
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...
17 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 shad...
18 10. To remove tray motor 1) remove the coupler in the cavity. 2) turn the set upside down. 3) cut the tray motor cover part from the base plate. 4) remove the tray motor cover. 5) remove a screw which secure the tray motor. 6) remove the tray motor. 7) reverse the above steps for reassembly excep...
19 12. To remove heater parts c05 c04 c03 c01 c02 heater top assembly : 3512803600 ref no. Part code part name description q’ty remark c01 3512765100 harness heater koc-970t1s teflon 1 c02 7112401011 screw tapping t1 trs 4x10 mfzn 2 c03 3510607800 bracket heater *t sbhg t0.5 2 c04 3512803700 heater ...
20 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 sw...
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 lea...
22 condition check check continuity of magnetron defective magnetron result no continuity cause remedy replace outlet has proper volt- age fuse does not blow. Condition check check continuity of primary interlock switch malfunction of primary interlock switch result no continuity cause remedy adjust...
23 condition check check continuity of high voltage fuse result no continuity check continuity if high voltage capacitor terminals with wires removed replace high voltage fuse continuity cause defective high voltage transformer remedy replace no microwave oscillation check continuity of high voltage...
24 (trouble 4) the following visual conditions inditions indicate a probable defective touch control circuit or membrane switch assembly 1. Incomplete segments, 1) segments missing. 2) partical segments missing. 3) digit flickering other than normal display slight flickering. 4) " :0" does not displ...
25 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 ...
26 2. Microwave radiation 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...
27 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 ...
28 wiring diagram.
29 1. Circuit check procedure 1. Low voltage transformer check • the low voltage transformer is located on the p.C.B. • measuring condition: input voltage : 230v/frequency : 50hz 2. Voltage check - key check point - check method note 1. Refer to circuit diagram (point 4). 2. Secondary side voltage o...
30 measure point mp1 mp2 gnd (kqg-6c4r5s).
31 measure point mp1 mp2 gnd (kqg-6c5r5s).
32 3. When there is no microwave oscillation 1) when touching start pad, oven lamp does not turn on. Fan motor does not rotate, but cook indicator in display comes on. - check method 2) when touching start pad, oven lamp turns on. Fan motor and turntable rotate and cook indicator in display comes on...
33 - check method 6. When the digital clock does not operate properly. → refer to circuit diagram. Point a b state 1) door open open 5vdc 2) door closed close gnd check no hethod remedy 1 check the stage(on, off) of the door open monitor replace door open monitor switch. Switch by resistance measure...
34 2. P.C.B. Circuit diagram.
35 3. P.C.B. Location no. No name symbol specification part code q'ty remark 1 pcb main board m315 3514330700 1 kqg-6c4r5s m319 3514330710 1 kqg-6c5r5s 2 buzzer bz1 bm-20k (bujeon) 3515600100 1 3 c array ca1 7p(6) 1000pf m 50v 2.54mm cn6xb-102m 1 4 c cera c5 50v b 1000pf k (axial) cczb1h102k 1 5 c c...
36 1. Door assembly refer to disassembly and assembly. 2. Control panel assembly refer to disassembly and assembly. 3. Total assembly exploded view and parts list.
37 ✔ 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 . No part code part name description q'ty a00 3511725300 door ...
S/m no. : daewoo electronics corp. 686, ahyeon-dong mapo-gu seoul, korea c.P.O. Box 8003 seoul, korea telex: dwelec k28177-8 cable: “daewooelec” printed date: apr. 2005.
