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Service Manual

Microwave Oven

Model: KOC-154K8S

S/M No. : OC154K8001 

Oct. 2006

✔

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 

Содержание KOC-154K8S

Страница 1: ...M No OC154K8001 Oct 2006 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 P...

Страница 2: ...justed components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is...

Страница 3: ...y 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 t...

Страница 4: ...50W CONSUMPTION CONVECTION 2550W COMBINATION 2950W MICROWAVE ENERGY OUTPUT 950W IEC705 MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 582X379 1X518 2mm 22 9x14 9x20 4 in CAVITY DIMENSIONS W...

Страница 5: ...HEATER Turns on when convection grill and combi cooking is selected 6 UNDER HEATER 7 COUPLER This fits over the shaft in the center of the ovens cavity floor This is to remain in the oven for all coo...

Страница 6: ...maged 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 misalig...

Страница 7: ...o set clock 11 crusty cake Press to select crusty cake menu 12 auto cook Press to select auto cook menu 13 auto defrost Press to select defrost menu 14 grill Use to select grill 15 convection Use to s...

Страница 8: ...ng 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 capacitor When replaci...

Страница 9: ...ackward 2 To remove door assembly 1 Remove two screws 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...

Страница 10: ...15204900 STOPPER HINGE T AS KOC 1B0K0S 1 A04 3511714110 DOOR SEAL AS KOC 154K8S 1 A05 3512302800 GASKET DOOR PBT 1 A06 3513101800 HOOK POM 1 A07 3515101800 SPRING HOOK PW1 1 A08 3517008920 BARRIER SCR...

Страница 11: ...bove 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 then push the door to...

Страница 12: ...c panel B01 from the control panel 10 Reverse the above steps for reassembly NO PARTS CODE PARTS NAME DESCRIPTION Q TY REMARK B01 3511617310 DECORATOR C PANEL SAN 1 B02 3511617300 DECORATOR C PANEL ST...

Страница 13: ...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...

Страница 14: ...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...

Страница 15: ...verse the above steps for reassembly NO PARTS CODE PARTS NAME DESCRIPTION Q TY REMARK G01 3512525200 GUIDE AIR PBT 1 G02 3513601600 LAMP BL 240V 25W T25 C7A H187 1 G03 3515102700 SPRING TERMINAL SUS30...

Страница 16: ...ve reflector heater t D05 9 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK D01 7112401011 SCREW TAPPING T1 TRS 4X10 2 D02 3512523600 GUIDE AIR OUTLET SBHG T0...

Страница 17: ...S CONVECTION AS KOC 154K8S 1 C12 7113400814 SCREW TAPPING T1 BIN 4X8 MFNI 1 C13 7001401065 SCREW MACHINE PAN 4X10 BSNI 2 C14 7S627W40X1 SPECIAL SCREW NUT FLANGE M4 1 C15 7113400814 SCREW TAPPING T1 BI...

Страница 18: ...over heater U E02 6 Reverse the above steps for reassembly 13 To remove Motor synchro And Under heater assembly parts CUTTING 6EA E04 E02 E05 E01 E03 REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK...

Страница 19: ...switch When the door is 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 s...

Страница 20: ...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...

Страница 21: ...just 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 Ch...

Страница 22: ...er leads to magnetron terminal and magnetron body Continuity Defective magnetron 2 Check resistance of primary and secondary coil of high voltage transformer Defective high voltage transformer Replace...

Страница 23: ...Check continuity of heater Defective heater No continuity Replace TROUBLE 5 1 Convection heater is not heated food will not become hot 2 Convection fan motor does no rotate CONDITION CHECK Check conti...

Страница 24: ...ub assembly Display does not show programming at all even if keyboard is touched TROUBLE 7 The following visual conditions inditions indicate a probable defective touch control Circuit or button P C B...

Страница 25: ...tinuity of thermistor resistance of thermistor Replace RESULT 0 or infinite Replace ERROR 2 ERROR 3 come on display Check continuity of heater convection upper lower Defective touch control circuit Re...

Страница 26: ...ssel 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 foll...

Страница 27: ...abinet 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 see...

Страница 28: ...eter 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 500V dc or higher voltage batteri...

Страница 29: ...ECTION40 CONVECTION100 250 FRESH PIZZA ONE FROZEN PIZZA TOUCH FRESH GRATIN CRUSTY FROZEN GRATIN CAKE CAKE BREAD ROAST BEEF ROAST CHICKEN AUTO ROAST PORK COOK BAKED FISH MODE BAKED POTATO ROAST POTATO...

Страница 30: ...29 10 WIRING DIAGRAM...

Страница 31: ...30 11 EXPLODED VIEW AND PARTS LIST TOTAL ASSEMBLY From A00 to G00 and P00 refer to 6 Disassembly and assembly...

Страница 32: ...H18 3513003200 HOLDER HV CAPACITOR SECC T0 6 1 H19 3518302301 CAPACITOR HV 2100VAC 1 10UF 187 80MM 1 H20 3518400400 DIODE HV HVR 1X 3AB 12KV 187 1 H21 3518701400 FUSE HV 5KV 0 7A 1 H22 3518119110 TRA...

Страница 33: ...o 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 9 9 10 V...

Страница 34: ...rotate but cook indicator in display comes on Cause RELAY 6 does not operate Check method 3 When touching M W button oven lamp turns on and fan motor does not rotate but cook indicator in display com...

Страница 35: ...motor rotate and cook indicator in display comes on Cause RELAY 9 does not operate 6 Case of no heating of convection grill When touching CONVECTION button oven lamp turns on and Fan motor and turntab...

Страница 36: ...pened during operation the count down timer does not stop Check method POINT STATE DOOR OPEN DOOR CLOSED A OPEN CLOSE B 5V DC GND CHECK NO METHOD REMEDY 1 Check the stage ON OFF of the door open Repla...

Страница 37: ...36 13 P C B CIRCUIT DIAGRAM...

Страница 38: ...ENER ZD5 DZUZ3R9BSB UZ 3 9BSB 1 20 DIGITRON DP1 DHNM07MS12 HNM 07MS12 1 21 FOAM SPONGE 3517305500 40X15X5 1 22 IC MICOM IC1 13GL87P14N TMP87PM14N OTP 1 23 PCB MAIN M279 3514330330 BOARD 97x257 1 24 PT...

Страница 39: ...11 13 15 16 18 20 22 85801052GY 1 0 52 TIN COATING 7 5mm 9 51 WIRE COPPER J3 9 85801052GY 1 0 52 TIN COATING 15mm 2 52 WIRE COPPER J2 8 14 85801052GY 1 0 52 TIN COATING 12 5mm 3 53 WIRE COPPER J1 4 7...

Страница 40: ...S M NO DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE Oct 2006...

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