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Daewoo KOG-37BG0S, Service Manual, Page: 38 / 38

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Daewoo KOG-37BG0S Service Manual Download Page 38

DAEWOO ELECTRONICS CO., LTD.

686, AHYEON-DONG MAPO-GU SEOUL, KOREA

C.P.O. BOX 8003 SEOUL, KOREA

TELEX: DWELEC K28177-8

CABLE: “DAEWOOELEC”

E-MAIL : [email protected]

FAX: 02) 590-8184

TEL: 02) 360-8179~8180

PRINTED DATE: Oct. 1999

Summary of Contents for KOG-37BG0S

Page 1: ...Service Manual DAEWOO ELECTRONICS CO LTD OVERSEAS SERVICE DEPT Service Manual Microwave Oven Model KOG 37BG0S KOG 39BG0S DAEWOOELECTRONICSCO LTD...

Page 2: ...itor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave le...

Page 3: ...certified oven unit is found to servicing a microwave emission check should be performed prior to servicing the oven a inform the manufacturer importer or assembler b repair the unit at no cost to the...

Page 4: ...X D 465x279x356mm 18 3x11 0x14 0 in 495x294x384mm 19 5x11 6x15 1 in CAVITY DIMENSIONS W X H X D 290x220x306mm 11 4x8 7x12 0 in 320x244x338mm 12 6x9 6x13 3 in NET WEIGHT APPROX 13 7Kg 30 2 lbs APPROX 1...

Page 5: ...the center of the ovens cavity floor This is to remain in the oven for all cooking 9 Roller guide This must always be used for cooking together with the glass cooking tray 10 Glass cooking tray Made...

Page 6: ...to cook or reheat specific quantities of food 16 Auto Cook Used to cook or reheat 17 More Used to add time to cooking 18 Less Used to remove time from cooking 19 Auto Defrost Used to defrost foods fo...

Page 7: ...h if damaged must be repaired with cable of same type Such a cable be purchased from DAEWOO and must be installed by a Qualified Person 6 Examine the oven after unpacking for any damage such as A misa...

Page 8: ...ened during the oven operation all information is retained 11 If the START pad is touched and the oven does not operate check the area between the door and door is closed securely The oven will not st...

Page 9: ...lectric charge in the high voltage capacitor For about 30 seconds after the operation stopped and electric charge remains in the high voltage capacitor When replacing or checking parts short between o...

Page 10: ...ward 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 door...

Page 11: ...2300200 GASKET DOOR PP 1 A08 3513100700 HOOK POM 1 A09 3515101300 SPRING HOOK PW1 1 2 KOG 39BG0S REF NO PART CODE PART NAME DESCRIPTION QTY REMARK A01 3512202270 FRAME DOOR ABS XR 401 H 2938 1 A02 351...

Page 12: ...ame 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 part A Loosen two screws on stopper hinge top and th...

Page 13: ...171 SPRING BUTTON SWP DIA0 7 1 B07 3516903660 BUTTON DOOR OPEN ABS XR 401 H 2938 1 REF NO PART CODE PART NAME DESCRIPTION QTY REMARK B01 3518521730 SWITCH MEMBRANE KOG 39BG0S 1 B02 3516720420 CONTROL...

Page 14: ...emove four screws which secure the PCB assembly to control panel 4 Disconnect membrane tail from the connector of the PCB assembly 5 Detach membrane from the control panel 6 Remove door open button an...

Page 15: ...ssembly 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 r...

Page 16: ...e 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 except for securing the tray motor cover with screw...

Page 17: ...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...

Page 18: ...The lock lever presses the button of the interlock monitor switch to bring it under NO condition and presses the button of the secondary interlock switch to bring it under ON condition 3 Adjustment s...

Page 19: ...terminals and power cord before check the parts listed below CONDITION CHECK Check continuty of interlock monitor switch with door closed COM NC Check continuity of both primary and secondary interlo...

Page 20: ...Continuity Adjust or replace Check D C voltage being supplied to RELAY RY2 coil Defective touch control circuit 0 V Replace Faulty contacts of RELAY RY2 or open relay coil Approx 15 VDC Replace Check...

Page 21: ...ads to magnetron terminal and magnetron body Continuity Defective magnetron Replace Check resistance of primary and secondary coil of high voltage transformer 0 or Defective high voltage transformer R...

Page 22: ...ps in time while counting down 9 Display counts down noticeable too fast while cooking 10 Display does not show the time of day when dlear pad is touched 11 Oven lamp and turntable motor do not stop a...

Page 23: ...diately placed on the center of the shelf which is in the lowest normal position 4 Microwave power is switched on 5 Heating time should be exactly A seconds Refer to table as following Heating time is...

Page 24: ...binet door seem door viewing screen the exhaust air vents and the suction air vents 3 Measuring should be in a counter clockwise direction at a rate of 1 in sec If the leakage of the cabinet door seem...

Page 25: ...r set on the highest resistance scale measure the resistance across the diode terminals Reverse the meter leads and again observe the resistance reading Meter with 6V 9V or higher voltage batteries sh...

Page 26: ...25 WIRING DIAGRAM...

Page 27: ...nges in proportion to fluctuation of power source voltage 3 The allowable tolerance of the secondary voltage is within 5 of nominal voltage NOTE Each measure point must be measured with GND points Ter...

Page 28: ...27 Mesurement point...

Page 29: ...am point 6 Check method 5 When the door is opened during operation the count down timer does not stop refer to Circuit Diagram point 1 Check method 6 When the digital clock does not operate properly r...

Page 30: ...29 2 P C B CIRCUIT DIAGRAM...

Page 31: ...OR R1 R7 1 6W 330 5 RD AZ331J 7 16 RESISTOR R8 10 12 14 22 1 6W 1K 5 RD AZ102J 5 17 RESISTOR R11 20 21 1 6W 100K 5 RD AZ104J 3 18 RESISTOR R13 1 6W 100 5 RD AZ101J 1 19 RESISTOR R15 17 1 6W 10K 5 RD A...

Page 32: ...15 RESISTOR R1 R7 1 6W 330 5 RD AZ331J 7 16 RESISTOR R8 10 12 14 22 1 6W 1K 5 RD AZ102J 5 17 RESISTOR R11 20 21 1 6W 100K 5 RD AZ104J 3 18 RESISTOR R13 1 6W 100 5 RD AZ101J 1 19 RESISTOR R15 17 1 6W...

Page 33: ...32 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...

Page 34: ...SCREW TAPPING T2S TRS 4 12 MFZN 1 F14 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F15 7S627W50X1 NUT HEX NUT FLANGE M5X0 8P MFZN 1 F16 4414A25110 FUSE 250V 15A 65TS 1 4414A25100 FUSE 250V 15A MDA15 1...

Page 35: ...600 LAMP BL 240V 25W T25 C7A H187 1 F42 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 F43 3966310100 MOTOR SYNCRO 220V 2 5W GM 16 24FD12 1 3966310110 MOTOR SYNCRO 220V 2 5W M2LJ49ZT52 1 F44 3518905300 T...

Page 36: ...SCREW TAPPING T2S TRS 4 12 MFZN 1 F14 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F15 7S627W50X1 NUT HEX NUT FLANGE M5X0 8P MFZN 1 F16 4414A25110 FUSE 250V 15A 65TS 1 4414A25100 FUSE 250V 15A MDA15 1...

Page 37: ...600 LAMP BL 240V 25W T25 C7A H187 1 F42 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 F43 3966310100 MOTOR SYNCRO 220V 2 5W GM 16 24FD12 1 3966310110 MOTOR SYNCRO 220V 2 5W M2LJ49ZT52 1 F44 3518905300 T...

Page 38: ...ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E MAIL G7F00E web dwe co kr FAX 02 590 8184 TEL 02 360 8179 8180 PRINTED DATE O...

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