Service Manual
Microwave Oven
Model: KOG-37050S KOG-39050S
DAEWOO ELECTRONICS CO., LTD.
S/M No. : G37050S001
Page 1: ...Service Manual Microwave Oven Model KOG 37050S KOG 39050S DAEWOO ELECTRONICS CO LTD S M No G37050S001...
Page 2: ...e 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...
Page 3: ...ertified 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: ...0W COMBINATION 2200W 2350W MICROWAVE ENERGY OUTPUT 800W 900W MICROWAVE FREQUENCY 2450MHz 2450MHz OUTSIDE DIMENSIONS W X H X D 465 x 279 x 360 mm 495 x 294 x 388 mm CAVITY DIMENSIONS W X H X D 290 x 22...
Page 5: ...EXTERNAL VIEW 1 OUTER DIMENSION 465 495 279 294 360 388 Fig2 Side view Fig1 Front view...
Page 6: ...the door is opened 9 Metal Rack 10 Coupler This fits over the shaft in the center of the ovens cavity floor This is to remain in the oven for all cooking 11 Roller guide This must always be used for c...
Page 7: ...ype which if damaged must be repaired with cable of same type Such a cable can be purchased from DAEWOO and must be installed by a Qualified Person 6 Examine the oven after unpacking for any damage su...
Page 8: ...oking time is needed and the door is closed the oven will automatically start when the timer is reset To set MICROWAVE cooking Set the variable power selector to the desired power level To set GRILL c...
Page 9: ...repair work 2 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the operation stopped electric charge remains in the high voltage capacitor When replacing or...
Page 10: ...et 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 steps for reassembly After replacing t...
Page 11: ...SCREEN O ACRYL T1 5 1 A03 3515304610 SUPPORTER BARR S O PP 1 A04 3515204100 STOPPER HINGE T AS KOR 63150S 1 A05 3511705500 DOOR W ELD AS KOR 61150S 1 A06 3517002800 BARRIER SCREEN I POLYESTER T0 1 1...
Page 12: ...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 screws on stopper hinge under and then push the do...
Page 13: ...e above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION QTY REMARK B01 3513405510 KNOB VPC ABS XR 401 H 2938 1 B02 3516719010 CONTROL PANEL ABS XR 401 H 2938 1 KOG 37050S 3516719310 KOG 39...
Page 14: ...High voltage circuit wirng 7 To remove magnetron 1 Remove a screw which secure the magnetron 2 Remove the magnetron 3 Reverse the above steps for reassembly Never install the magnetron without the met...
Page 15: ...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...
Page 16: ...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 except for securing the tray motor cover...
Page 17: ...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 MAC...
Page 18: ...losed the hook pushes the lock lever downward The lock lever presses the button of the interlock monitor switch to bring it under OFF condition and presses the button of the secondary interlock switch...
Page 19: ...or and turn the timer Does the fuse blow Check continuity of interlock monitor switch with door shut Replace primary secondary interlock switch and interlock monitor switch Replace fuse and check cont...
Page 20: ...3V of high voltage Replace high voltage transformer Check the diode for continuity in the reverse and normal directions Replace high voltage diode Replace magnetron Replace magnetron Meter with 6V or...
Page 21: ...e water to the vessel the load is immediately 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...
Page 22: ...on the door cabinet 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 cab...
Page 23: ...ohmmeter 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 batt...
Page 24: ...WIRING DIAGRAM...
Page 25: ...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: ...A5QJ5 CORD POW ER AS 3X1 5 80X70 120 RTML O F11 4413A90012 CLAMP POW ER CORD NYLON66 O F12 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN O F13 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN O F14 7S627W50X1 N...
Page 27: ...T2S PAN 4X6 MFZN O F44 3966310100 MOTOR SYNCRO 220V 2 5W GM 16 24FD12 O 3966310110 220V 2 5W M2LJ49ZT52 F45 3518905300 THERMOSTAT OFF 75 ON 65 H 187 NB O F46 3513003400 HOLDER THERMOSTAT PBT O F47 72...
