Daewoo KOG-37G59S Service Manual - Safety and Precautions

Summary of KOG-37G59S

  • Page 1

    Service manual microwave oven model: kog-37g59s daewoo electronics co., ltd. S/m no. : g37g59s001 http : //svc.Dwe.Co.Kr may. 2002 ✔ 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,ple...

  • Page 2

    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 microwav...

  • Page 3: Safety and Precautions

    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...

  • Page 4: Specifications

    3 specifications *specifications are subject to change without notice. Model kog-37g59s power supply 230v~50hz, single phase with earthing microwave 1000w power consumption grill 1050w combination 2000w microwave energy output 700w microwave frequency 2450 mhz outside dimensions (wxhxd) 465 x 279 x ...

  • Page 5: External View

    4 external view 1. Outer dimension 360 465 279 fig1. Front view fig2. Side view.

  • Page 6

    5 1 1 door seal door seal maintains the microwave energy within the oven cavity and prevents microwave leakage. 2 2 reflector (insulator heater) 3 3 heating element 4 4 oven cavity 5 5 sefety interlock system 6 6 knob v.P.C used to select a microwave power level. 7 7 knob timer used to in setting co...

  • Page 7: Installation

    6 installation 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...

  • Page 8: Operation and Functions

    7 • to set microwave cooking set the variable power selector to the desired power level. • to set grill cooking set the power selector to the (grill) position. • to set combi cooking set the power selector to the (combi) position. Operation and functions 1. Connect the main lead to an electrical out...

  • Page 9: Disassembly and Assembly

    8 disassembly and assembly cautions to be observed when trouble shooting unlike many other appliances, the microwave oven is a 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...

  • Page 10

    9 1. To remove cabinet. (1) remove three screws on cabinet back. (2) push the cabinet backward. 2. To remove door assembly. (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 d...

  • Page 11

    10 ref. No part code part name description qty remark a01 3512205210 frame door abs sg-175, sg-0760d 1 a02 3517007300 barrier-screen*o pet t0.125 1 a03 3515204100 stopper hinge*t as kor-63150s 1 a04 3511706100 door painting as kor-61150s 1 a05 3517002800 barrier-screen*i pet t0.1 1 a06 3512300210 ga...

  • Page 12

    11 4. Method to reduce the gap between the door seal and the oven front surface. (1) to reduce gap located on part ‘a’. • loosen a screw on stopper hinge top, and then push the door to contact the door seal to oven front surface. • tighten a screw. (2) to reduce gap located on part ‘b’. • loosen two...

  • Page 13

    12 ref. No part code part name description qty remark b01 3513405510 knob vpc abs sg-175 sg-0760d 1 b02 3516728200 control-panel abs sg-175 sg-0760d 1 b03 4415a17352 sw micro vp-533a-of spno 1 b04 3515101600 spring flat sus 301 t0.5 1 b05 3517400500 coupler vpc knob pom 1 b06 7122401211 screw tappin...

  • Page 14

    13 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. • high voltage circuit wiring 7. To remove magnetron. (1) rem...

  • Page 15

    14 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 moto...

  • Page 16

    15 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 reassemb...

  • Page 17

    16 ref. No part code part name description qty remark c01 7392500008 nut hex 6n-2-5 sus 1 c02 3515000600 spacer insulator *i c3771bd 2 c03 3513301100 insulator heater spp t0.8 1 c04 3512803400 heater 230v 1000w 1r67994001 1 c05 7002500613 screw machine trs 5x6 mfcr 1 c06 7002400413 screw machine trs...

  • Page 18

    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 swi...

  • Page 19: Trouble Shooting Guide

    18 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 tranf...

  • Page 20

    19 replace or repair oven lamp, turntable motor. Replace high voltage transformer. No no continuity replace high voltage diode. Continuity in the reverse direction. Replace magnetron. Replace high voltage transformer. No good replace magnetron. No continuity yes yes poor continuity continuity contin...

  • Page 21: Measurement and Test

    20 measurement and test 1. Measurement of the microwave power output microwave output power can be checked by indirectly mmeasuring 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...

  • Page 22

    21 2. Microwave radiation test procedure 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 600 cc glass beaker with an inside diameter of approx. 95 mm(3.5 in.). 3. Place it at ...

  • Page 23

    22 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 ...

  • Page 24: Wiring Diagram

    23 wiring diagram.

  • Page 25: Exploded View and Parts List

    24 exploded view and parts list 1. Door assembly refer to disassembly and assembly, page 10. 2. Control panel assembly refer to disassembly and assembly, page 12. 3. Total assembly.

  • Page 26

    25 ref no part code part name description q'ty remark a00 refer to . Door as refer to o b00 disassembly control-panel as disassembly and assembly o c00 and assembly insulator heater as o f01 3510805300 cabinet kor-61150s o f02 7112401011 special screw t1 trs 4x10 se mfzn o f03 3516109560 cavity as k...

  • Page 27

    26 ref no part code part name description q'ty remark f35 7122401211 screw tapping t2s trs 4x12 mfzn o f36 3518570400 switch s/a relay dwsr-1 o f37 4415a17352 sw micro vp-533a-of spno #187 200g o primary f38 4415a66910 sw micro vp-531a-of/szm-v16-fa-61 o monitor f39 4415a17352 sw micro vp-533a-of sp...

  • Page 28

    S/m no. : g37g59s001 daewoo electronics co., ltd. 686, ahyeon-dong mapo-gu seoul, korea c.P.O. Box 8003 seoul, korea telex: dwelec k28177-8 cable: “daewooelec” printed date: may, 2002.