Daewoo KOG-26852S Service Manual Download

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Service Manual

Microwave Oven

Model: KOG-26852S

KOG-26952S

DAEWOO ELECTRONICS CO., LTD.

Summary of Contents for KOG-26852S

Page 1: ...Service Manual Microwave Oven Model KOG 26852S KOG 26952S DAEWOO ELECTRONICS CO LTD...

Page 2: ...avity for proper alignment integrity and connection d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired rep...

Page 3: ...d make repairs 1 A broken door hinge 2 A broken door viewing screen 3 A broken front panel oven cavity 4 A loosened door lock 5 A broken door lock The door seal area and oven cavity surface be kept cl...

Page 4: ...50Hz SINGLE PHASE WITH EARTHING POWER MICROWAVE 1200W CONSUMPTION GRILL 1050W MICROWAVE ENERGY OUTPUT 800W IEC 705 MICROWAVE FREQUENCY 2450 MHz OUTSIDE DIMENSIONS WXHXD 465X274X364 mm CAVITY DIMENSIO...

Page 5: ...eptacle is placed on this tray for cooking Roller Guide This must always be used for cooking together with the glass cooking tray Coupler this fits over the shaft in the center of the oven s cavity fl...

Page 6: ...out 1 0 meters long Do not use an extension cord If the supply cord is damaged it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard I...

Page 7: ...turning the timer knob Do not let the timer continue to operate after removing food 7 NOTE When using the GRILL KOG 368 9 OS mode Do not open the door so often the temperature inside the oven decrease...

Page 8: ...immediately before the water is added to the vessel After addition of the water to the vessel the load is immediately placed on the center of the shelf which is in the lowest normal position 4 Microw...

Page 9: ...ter of the tray and set it in a cavity D Close the door and operate the oven E Measure the leakage by using microwave energy survery meter with dual ranges set to 2450 MHz Measured radiation leakage m...

Page 10: ...10 WIRING DIAGRAM...

Page 11: ...11 WIRING DIAGRAM SLOW ACTING RELAY TYPE...

Page 12: ...nd this secondary voltage is increased by the action of the diode and the charging of the high voltage capacitor This resultant D C voltage is then applied to the anode of the magnetron As shown in Fi...

Page 13: ...o the high voltage transformer to stop microwave oscillation Fan motor timer motor and turntable motor stop rotating Oven lamp turn off As soon as the door is opened monitor switch close NC to create...

Page 14: ...before begining repair work 2 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the operation stopped and electric charge remains in the high voltage capacito...

Page 15: ...stopper hinge top 2 Remove the stopper hinge top and door assembly from top plate of cavity 3 Remove the stopper hinge top from door assembly 4 Reverse the above for reassembly taking care to replace...

Page 16: ...n two screws 2 To reduce gap located on part B 1 Loosen three three screws on bottom hinge and then the door to contact the door seal to oven front surface 2 Tighten three screws 3 To reduce gap locat...

Page 17: ...er B06 4 Pull out the VPC coupler B06 VPC knob B01 and the flat spring B05 from the control panel B02 5 Remove two screws B10 which secure the timer ass y B09 6 Pull out the knob B12 from the timer as...

Page 18: ...citor 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 Remove three screws which secure the magnetro...

Page 19: ...nsformer 2 Remove the transformer 3 Reverse the above steps for reassembly CAUTION Never install the magnetron without the metallic gasket plate which is packed with each magnetron to prevent microwav...

Page 20: ...2 3 4 5 6 7 3513301100 3512801700 7002500613 7392500008 7002400413 3515000700 7S627W50X1 1 1 1 1 2 2 2 SPP T0 8 230V 1000W TRS 5X6 MFCR 6N 2 5 SUS TRS 4X4 MFCR C3771BD FLG NUT M5X0 8P MFZN INSULATOR H...

Page 21: ...ed the hook locks the oven door If the door is not closed properly the oven will not operate When the door is closed the hook pushed the button of themicro switch Then the button of the primary interl...

Page 22: ...he two mounting screws b Adjust interlock switch assembly position c Confirm the gap 1 2mm described above d Make sure that push lever moves smoothly after adjustments is completed e Completely tighte...

Page 23: ...y interlock switch secondary interlock switch and interlock monitor switch All these switches must be replace at the same time Replace thermostat Outlet has Proper voltage Check continuity of thermost...

Page 24: ...he contacts of a relay operate oven Normal reading should be approx 0 Meter with 6V or higher voltage batteries should be used to check the normal direction resistance of the diode NO GOOD Poor contin...

Page 25: ...g Approx 120 10 Filament winding Approx 0 Primary winding Approx 0 2 High voltage capacitor A Check continuity of capacitor with meter on the highest OHM scale B A normal capacitor will show continuit...

Page 26: ...ero resistance ohmmeter Fig a Condition 1 Door is opened 2 Common terminal of the monitor switch disconnected 3 In case of secondary interlock switch ohmmeter Fig c Condition 1 Door is closed 2 In cas...

Page 27: ...AINTING AS BARRIER SCREEN I GASKET DOOR HOOK SPRING HOOK 3512202030 3512202040 3517003060 3515304610 3515201500 3511706100 3517002800 3512300200 3513100700 3515101300 ABS ABS PC PP KOR 6115OS KOR 6115...

Page 28: ...6709850 5S762310G0 3515101600 3517400500 7122401211 3517400400 3518203800 7122401211 3512764210 3513402560 3513701420 441G430171 3516904430 3516903640 ABS H 2938 XR 401 ABS ABS V16 FA 61 SUS 301 TO 5...

Page 29: ...29 3 Main Unit...

Page 30: ...N 3 F22 SCREW TAPPING 7112401011 T1 TRS 4X10 MFZN 2 F23 SCREW MATCHINE 7601400811 PAN 4X8 PW MFZN 2 F24 COVER B 3511402500 SBHG T0 8 1 F25 MOTOR SHADED POLE 3963512100 MW10CA R01 1 F26 FAN 3511800300...

Page 31: ...852S001 DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC FAX 02 364 5588 590 6291 TEX 02 360 7114 590 6151 5 PRINTED DATE...

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