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Service Manual

Microwave Oven

KOG-8465

DAEWOO ELECTRONICS CO., LTD.

Power

Timer

✔

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).

Содержание KOG-8465

Страница 1: ...2 3 4 5 6 7 8 9 10 2 0 3 0 40 50 6 0 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 pleas...

Страница 2: ...per alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adj...

Страница 3: ...sure the power is turned off when the door is opened Do not attempt to defeat them DO NOT ATTEMPT TO SERVICE THIS APPLIANCE UNTIL YOU HAVE READ THIS SERVICE MANUAL 2 Correct Installation 1 This micro...

Страница 4: ...ur plug proceed as follows The wire which is coloured green and yellow must be connected to the terminal in the plug which is marked with the letter E or by earth symbol or green and yellow The wire w...

Страница 5: ...mption 2 800 W 2 950 W Outside Dimensions W X H X D 501 X 319 X 389 mm 19 7 X 12 6 X 15 3 in Cavity Dimensions W X H X D 310 X 229 X 330 mm 12 2 X 9 0X 13 0 in Net Weight Approx 18 kg 40 Ibs Timer 60...

Страница 6: ...R Turns on when grill and simultaneous cooking is selected OVEN LAMP Automatically turns on during oven operating SAFETY INTERLOCK SYSTEM CONTROL PANEL GLASS TURN TABLE TRAY Rotates during cooking and...

Страница 7: ...sed to select a function before the cooking 1 M W oven used to heat food with microwave 2 GRILL Used to browning food with grill heater 3 SIMUL used to simultaneous cooking with microwave and grill he...

Страница 8: ...sing the oven See the cookbook for specific recipes Prior to setting the controls place one cup of water in the oven in a heat proof glass measuring cup for testing purposes You may open the door whil...

Страница 9: ...heat the oven for griling 1 Place food on the Metal Rack and set it on the Tray 2 Set POWER knob to GRILL position 3 Set TIMER knob to the cooking time EXAMPLE To Grill hamburgers steaks kabobs etc us...

Страница 10: ...d with safety door interlock switches If you wish to inspect the food during the cooking time simply open the door The oven will automatically stop the cooking To continue cooking close the door If yo...

Страница 11: ...f microwave 1 Primary interlock switch When the door is closed the hook will lock the oven door If the door is not closed properly the oven will not operate When the door is closed the hook pushes the...

Страница 12: ...switch should be opened before other switches closed When the door is opened the monitor switch should be closed after other switches opened Secondary interlock switch The movement of the switch butto...

Страница 13: ...properly before begining repair work 2 Warning about the electric charge in the high voltage capacitor Refer to Fig 1 For about 30 seconds after the operation stops electric charge remains in the high...

Страница 14: ...oise filter to the guide wind 3 Pull the fan to the motor shaft 4 Release two screws which secure the motor shaded pole 5 Remove the motor shaded pole 6 Release a screw which secure the holder capacit...

Страница 15: ...above steps for reassembly 4 To remove H V Transformer Refer to Fig 5 1 Remove four screws which secure the H V Transformer bracket to the base plate 2 Remove the H V Transformer HIgh voltage circuit...

Страница 16: ...N Never install the magnetron without the metallic gasket plate which is packed with each magnetron to prevent microwave leakage Whenever repair work is carried out on magnetron check the microwave le...

Страница 17: ...to the oven front plate At the same time draw forward the control panel assembly from oven front plate 2 Remove two screws which secure the timer assembly 3 Remove the timer assmebly 4 Pull out the kn...

Страница 18: ...PAINTING AS 1 A2 3517001800 BARRIER SCREEN I TEMPERED GLASS 3 2T 1 A3 3513100600 HOOK POM 2 A4 4413A44001 LEVER HOOK AS KOR 640 1 A5 4413A40052 FIXTURE HOOK SWRM3 5 5XL12 5 2 A6 441G448071 SPRING HOO...

Страница 19: ...interlock switch assembly located top of oven body 3 and 4 are same as step 3 NOTE Small gap may be acceptable if the microwave leakage does not exceed 1mW cm2 NOTE The door on a microwave oven is de...

Страница 20: ...the tray motor cover parts from the base plate Refer to Fig 11 12 2 Remove the tray motor cover 3 Remove two screws which secure the tray motor to tray motor bracket 4 Remove the tray motor Fig 12 Bot...

Страница 21: ...ge 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 check continuity with the AC plug removed To...

Страница 22: ...mary and secondary interlock switch with door closed Check continuity of primary interlock switch contact with door partially open until interlock monitor switch contact close COM NC close Malfunction...

Страница 23: ...k switch No continuity Malfunction of secondary interlock switch Adjust or replace Check continuity of heater No continuity Defective heater Replace the heater No Continuity Defective heater thermosta...

Страница 24: ...netron Check resistance of primary and secondary coil of high voltage transformer 0 or Defective high voltage transfromer Defective high voltage transfromer Defective timer ass y Check continuity of m...

Страница 25: ...power output P in watts is calculated from the following formula T is actual temeprature rise t is the heating time The power measured should be 900W 10 2 Electrical Continuity Check of Interlock Swi...

Страница 26: ...any point 50mm 2 in or more away from the external surface of the oven checks to be made around the whole of the door seal and on each of the main unit surface Measurements should be made with the ove...

Страница 27: ...voltage diode The high voltage diode is located on the base near the transformer A Isolate the diode from the circuit by disconnecting the leads B With the ohmmeter set on the highest resistance scal...

Страница 28: ...28 WIRING DIAGRAM...

Страница 29: ...29 SCHEMATIC DIAGRAMS IDLE CONDITION MICROWAVE COOKING CONDITION...

Страница 30: ...30 GRILL COOKING CONDITION SIMULTANEOUS HEATING COOKING CONDITION...

Страница 31: ...31 WIRING DIAGRAM GERMANY...

Страница 32: ...32 SCHEMATIC DIAGRAMS GERMANY IDLE CONDITION MICROWAVE COOKING CONDITION...

Страница 33: ...33 GRILL COOKING CONDITION COMBI COOKING CONDITION...

Страница 34: ...EXPLODED VIEW...

Страница 35: ......

Страница 36: ...NGE 5X12 MFZN 4 F23 3518002400 MAGNETRON 2M218J MFI 1 F24 7S312X40A1 SCREW TAPPING T1 TRS 4X10 SE MFAN 3 F25 3518903000 THERMOSTAT NT 101 H038 140 125 1 F26 7279300611 SCREW TAPPTITE TT3 BRS 3X6 MFZN...

Страница 37: ...1 SCREW SPECIAL TTS TRS 4X8 SE MFZN 1 F58 7650501611 BOLT HEX 68 1 5X16 HS MFZN 2 F59 7S627W50X1 NUT HEX FLANGE M5X0 8P MFZN 2 F60 3511401400 COVER B SBHG 1 0 6T 1 F61 7S312X4081 SCREW TAPPING T1 TRS...

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