Daewoo KOC-1B0K6S Service Manual Download Page 1

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Service Manual

Microwave Oven

Model: KOC-1B0K6S

S/M No. :

C1B0K6S001

DAEWOO ELECTRONICS CO., LTD.

http://svc.dwe.co.kr

Feb. 2001

Summary of Contents for KOC-1B0K6S

Page 1: ...Service Manual Microwave Oven Model KOC 1B0K6S S M No C1B0K6S001 DAEWOO ELECTRONICS CO LTD http svc dwe co kr Feb 2001...

Page 2: ...on wave guide or transmission line and cavity for proper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and t...

Page 3: ...certified oven unit is found to servicing a microwave emission check should be performed prior to servicing the oven 1 inform the manufacturer importer or assembler 2 repair the unit at no cost to th...

Page 4: ...UTPUT 1000W IEC705 MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 560X344X542mm 22 0X13 0X21 3 in CAVITY DIMENSIONS W X H X D 368 5X246X376 5mm 14 5X9 7X14 8 in NET WEIGHT APPROX 21 5kg 47 6...

Page 5: ...turns on during oven operating 16 SAFETY INTERLOCK SYSTEM 17 CONTROL PANEL 18 TURNTABLE TRAY Rotates during cooking and ensure even distribution of Microwaves It can also be used as a cooking utensil...

Page 6: ...aged 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 such as A misalign...

Page 7: ...power level indicator BUTTONS 8 LANGUAGE press to select the language 9 Clock Used to set clock 10 LESS Use to remove time from cooking 11 MORE Use to add time to cooking 12 M W Press to select microw...

Page 8: ...ning repair work 2 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the operation has stopped electric charge remains in the high voltage capacitor When repla...

Page 9: ...y perform a check of correct alignment with the hinge and cavity front plate REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK A01 3512204700 FRAME DOOR PC 1 A02 3517006900 BARRINER SCREEN O TEMP GLA...

Page 10: ...ssembly 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 then push the door to contact the door...

Page 11: ...AS KOC 1B0K0S 1 B12 3516908600 BUTTON FUNCTION D ABS SG 175 SG 0760D 1 B13 3516908700 BUTTON FUNCTION E ABS SG 175 SG 0760D 1 B14 3516908200 BUTTON START ABS SG 175 SG 0760D 1 B15 3511606000 KNOB VOLU...

Page 12: ...door normally closed Magnetron antenna Metallic gasket plate Cooling fin Filament terminal 6 To remove high voltage capacitor 1 Remove a screw which secure the grounding ring terminal of the H V diod...

Page 13: ...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 steps for...

Page 14: ...mp8 from the Holder lamp assembly7 7 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q Y REMARK 1 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 2 3512520500 GUIDE AIR OUTLE...

Page 15: ...Heater miraclon7 from the Cover heater t8 7 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTIOT Q TY REMARK 1 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 2 3512520500 GUIDE A...

Page 16: ...REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK 1 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 2 3511407300 COVER MOTOR B SA1D 80 T0 5 1 3 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 2 4 3511407400 C...

Page 17: ...4 To remove Trans Power 1 Remove a screw1 2 Pull out the Trans Power2 from the base plate 3 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK 1 7112401011 SCREW...

Page 18: ...closed 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 switc...

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

Page 20: ...st for adjustment instructions TROUBLE 2 Display shows all figures selected but oven does not start cooking even though desired program and time are set and start button is tapped CONDITION CHECK Chec...

Page 21: ...magnetron 2 1 Check resistance of primary and secondary coil of high voltage transformer 0 or Defective high voltage transformer Replace Check continuity of high voltage fuse No microwave oscillation...

Page 22: ...or replace Defective touch control circuit 0V Approx 24V DC Replace Check continuity of heater or fan Defective heater or fan No continuity Replace TROUBLE 4 Grill heater upper heater is not heated f...

Page 23: ...nction of sub pcb assembly RESULT Normal CAUSE REMEDY Replace sub pcb assembly Display does not show programming at all even if keyboard is touched TROUBLE 7 The following visual conditions indicate a...

Page 24: ...oom temperature Defective heater No continuty continuity Replace CAUSE REMEDY TROUBLE 9 The oven resets when power comes back within 1 hour after power off CONDITION CHECK Check DC voltage being suppl...

Page 25: ...he 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 to table as...

Page 26: ...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 27: ...er 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 s...

Page 28: ...DE COMBI 4 COMBI 5 CONVECTION100 130 CONVECTION140 150 CONVECTION160 250 ONE CAKE BREAD TOUCH CRUSTY ROAST BEEF ROAST CHICKEN ROAST PORK AUTO BAKED FISH MODE BAKED POTATO ROAST POTATO FRESH VEGETABLES...

Page 29: ...28 10 WIRING DIAGRAM...

Page 30: ...29 11 EXPLODED VIEW AND PARTS LIST 1 DOOR ASSEMBLY Refer to 6 Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to 6 Disassembly and assembly 3 TOTAL ASSEMBLY...

Page 31: ...1 F15 3515304000 SUPPORTER HEATER U STS 430 T0 5 1 F16 3512802000 HEATER U 230V 400W R18374001 1 F17 7113400814 SCREW TAPPING T1 RIN 4X8 MFZN 1 F18 3966510200 MOTOR SYNCRO 230V 25W GM 16 24FD24 1 F19...

Page 32: ...GF20 1 F52 3518605500 NOISE FILTER DWLF M07 1 F53 FUSE HV F54 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 F55 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 1 F56 7121403011 SCREW TAPPING T2S PAN 4X30 MF...

Page 33: ...UIDE ROLLER AS KOC 1B0K0S 1 F79 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 2 F80 3511407810 COVER LAMP T GLASS T2 0 1 F81 7402704600 RING C CR 5 SK5 1 F82 4413A12010 FIXTURE FOOT PP 1 F83 5FPV04141...

Page 34: ...ortion to fluctuation of power source voltage 2 The allowable tolerance of the secondary voltage is within 5 of nominal voltage NOTE Each measure point must be measured with GND points Terminal 6 7 8...

Page 35: ...d turntable motor does not rotate but cook indicator in display comes on Cause RELAY 1 does not operate 3 When touching M W button oven lamp turn on and fan motor does not rotate but cook indicator in...

Page 36: ...motor and turntable rotate and cook indicator in display comes on Cause RELAY 7 does not operate 6 Case of no heating of convection grill When touching CONVECTION button oven lamp turns on and Fan mo...

Page 37: ...hin 1 hour after power off When the power comes back within 1 hour after power off micom data dose not remain POINT STATE DOOR OPEN DOOR CLOSED A OPEN CLOSE B 5V DC GND CHECK NO METHOD REMEDY Check th...

Page 38: ...37 13 P C B CIRCUIT DIAGRAM...

Page 39: ...20 1 18 CONNECTOR WAFER CN5 YW025 05 4076131050 1 19 CONNECTOR WAFER CN6 YW396 09AV 3519105600 1 20 CRYSTAL OSCILLATOR CR2 CH 308 32 768KHz 5ZA32R768K 1 21 DIODE SWITCHING D1 D19 D26 D29 1N4148 AUTO 5...

Page 40: ...50 SW RELAY RY4 RY7 CS11 24SH 5SC0101129 4 51 TRANSISTOR Q1 Q2 KTA1266Y AUTO TZTA1266Y 2 52 TRANSISTOR Q3 Q5 Q10 KTC3198GR AUTO TZTC3198GR 4 53 TRANSISTOR Q11 KTC 1027Y AUTO TZTC1027Y 1 54 TRANSISTOR...

Page 41: ...S001 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 02 360 8184 TEL 02 360 8183 http www dwe daewoo co kr PRINTED D...

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