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17

1) Remove a screw

3

and then pull out Motor syncro

1

.

2) Pull out the Gasket

2

from the Motor syncro.

3) Remove a screw

5

and then pull out Rotary guide

4

.

4) Reverse the above steps for reassembly.

12 To remove Barbecue motor syncro and Guide rotary part.

1

2

3

4

5

REF NO.

PART CODE

PART NAME

DESCRIPTION

Q’TY

REMARK

1

441BE5203

MOTOR SYNCRO

GM-20-24FDB2

1

2

3512300301

GASKET

C2700W T1.0

1

3

7113400814

SCREW TAPPING

T1 BIN 4X8 MFNI

2

4

3512521200

GUIDE ROTARY

TEFLON

1

5

7112401011

SCREW TAPPING

T1 TRS 4X10 MFZN

1

✔ 

Caution

: 

In this Service 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 KOC-924T9A

Страница 1: ...tp svc dwe co kr Feb 2003 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 ...

Страница 2: ... proper 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 adjusted by procedures described in this manual before the oven is released to the owner TABLE OF CONTENTS 1 PROPER USE AND SERVICE PRECAUTIONS 2 2 SPECIFICATIONS 3 3 EXTERNAL VIEW 4 3 1 OUTER DIMENS...

Страница 3: ...ed prior to servicing the oven 2 If any certified oven unit is found to have excessive emission level 5mw cm2 the service person should a inform the manufacturer importer or assembler b repair the unit at no cost to the owner c attempt to ascertain the cause of the excessive leakage d tell the owner of the unit not to use the unit until the oven has been brought into compliance 3 If the oven opera...

Страница 4: ...RGY OUTPUT 1000W IEC705 MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 542X329X515mm 21 3X13 0X20 3 in CAVITY DIMENSIONS W X H X D 350X230X355mm 13 8X9 1X14 0 in NET WEIGHT APPROX 20kg 44 1 lbs TIMER 60 minutes FUNCTION SELECTIONS MICROWAVE GRILL CONVECTION COMBINATION POWER SELECTIONS 10 LEVELS CAVITY VOLUME 1 0 Cu Ft Specifications are subject to change without notice ...

Страница 5: ...4 3 EXTERNAL VIEW 542 329 515 1 OUTER DIMENSION ...

Страница 6: ...matically 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 19 ROLLER GUIDE This must always be used for cooking together with the turntable tray 10 COUPLER This fits over the shaft in the center of the ovens cavity floor This is to remain in the ove...

Страница 7: ...y 13 amperes 120Volts 60Hz grounded outlet Power supply cord is about 0 8 meters long 1 A short power supply cord is provided to reduce the risks resulting from becoming entangled in or tripping over a longer cord 2 Longer cord sets or extension cords are available and may be used if care is exercised in their use 3 If a long cord or extension cord is used 1 The marked electrical rating of the cor...

Страница 8: ... When blinking the oven is operating in TIME DEFROST Auto cook When blinking the oven is operating AUTO COOK Lock When lighting the oven is CHILD LOCK Con vection When blinking the oven is operating in CONVECTION lb When blinking the oven is operating in weight input mode 2 2 Auto cook Used to cook or reheat 3 3 Combi Used to select combi 4 4 Weight Defrost Used to defrost foods 5 5 Grill Used to ...

Страница 9: ...nning 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 replacing or checking parts short between oven chassis and the negative high terminal of the high voltage capacitor by using a properly insulated screwdriver to discharge 4 When the 20A fuse is blown out ...

Страница 10: ...rd 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 assemby 9 NOTE After replacing the door assembly perform a check of correct alignment with the hinge and cavity front plate ...

Страница 11: ...512302400 GASKET DOOR PBT 1 A08 3516602200 DOOR PLATE SBHG 3A T0 7 1 A09 3515304800 SUPPORTER HINGE T SCP 1 T2 0 1 A10 3517007000 BARRIER SCREEN I TEMP GLASS T2 0 1 A11 3511608700 DECORATOR DOOR T SUS430 T0 5 H L 1 A12 3511608400 DECORATOR DOOR L SUS430 T0 5 H L 1 A13 3511608200 DECORATOR DOOR U SUS430 T0 5 H L 1 Caution In this Service Manual some parts can be changed for improving their performa...

Страница 12: ...eassembly 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 seal to oven front surface Tighten two screws 2 To reduce gap located on part B Loosen two screws on stopper hinge under and then push the door to contact the door seal to oven front surface Tighten...

Страница 13: ...B06 B07 B08 B09 B10 B11 1 Remove the screw which secure the control panel push up two snap fits and draw forward the control panel assembly 2 Remove four screws B07 which secure the PCB Main ASS Y 3 Pull out the Main PCB assembly B08 4 Remove four screws B09 which secure the PCB Sub ASS Y 5 Pull out the Sub PCB assembly B10 6 Pull out the Knob volume B01 from the Sub PCB assembly 7 Pull out ten bu...

Страница 14: ...r normally closed Magnetron antenna MAGNETRON 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 diode and the capacitor 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 a screw which secu...

Страница 15: ... 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 reasembly 9 To remove H V transformer 1 Remove four screws holding the H V transformer 2 Remove the H V transformer 3 Reverse the above steps for reassembly ...

Страница 16: ...011 SCREW TAPPING T1 TRS 4X10 MFZN 1 2 3512520500 GUIDE AIR OUTLET SA1D T0 5 1 3 3510607700 BRACKET HEATER T SECC T0 5 1 4 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 5 3510607700 BRACKET HEATER T SA1D T0 5 1 6 3512801810 HEATER MIRACLON 120V 800W 270MM 1 7 3511410300 COVER HEATER T STS430 T0 5 1 Caution In this Service Manual some parts can be changed for improving their performance without notic...

Страница 17: ...10 MFZN 1 2 3511410500 COVER MOTOR B SA1D 80 T0 5 1 3 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 4 3511407900 COVER B SA1D 80 T0 5 1 5 3512767600 HARNESS CONVECTION KOC 924T0S 1 6 7113400814 SCREW TAPPING T1 BIN 4 8 MFNI 4 7 3511409800 COVER HEATER B SA1D 80 T0 5 1 8 3513303400 INSULATOR HEATER B SBHG 1 T0 5 1 9 7113400814 SCREW TAPPING T1 BIN 4 8 MFNI 3 10 3511800700 FAN CONVECTION SA1D 80 T0 5 ...

Страница 18: ...NAME DESCRIPTION Q TY REMARK 1 441BE5203 MOTOR SYNCRO GM 20 24FDB2 1 2 3512300301 GASKET C2700W T1 0 1 3 7113400814 SCREW TAPPING T1 BIN 4X8 MFNI 2 4 3512521200 GUIDE ROTARY TEFLON 1 5 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1 Caution In this Service 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 19: ... 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 switch to bring it under ON condition 3 Adjustment steps a Loosen the one mounting screw b Adjust interlock switch assembly position c Make sure that lock lever moves smoothly after adjustment is complete...

Страница 20: ...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 secondary interlock switch with door closed Malfunction of Interlock monitor switch Malfunction of interlock switch RESULT Continuity No continuity CAUSE REMEDY Replace COM NC Fuse blows Replace Shorted contact...

Страница 21: ...djust 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 Check continuity of primary interlock switch Malfunction of primary interlock switch RESULT No continuity CAUSE REMEDY Adjust or replace Turn table motor and oven lamp do not turn on Check D C voltage ...

Страница 22: ...ds to magnetron terminal and magnetron body Continuity Defective magnetron 2 1 Check resistance of primary and secondary coil of high voltage transformer 0 Ω or Defective high voltage transformer Replace Check continuity of high voltage fuse No microwave oscillation No continuity 2 Check continuity of magnetron heater with wires removed No continuity Defective magnetron Replace 1 Check continuity ...

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 continuity of primary interlock switch Malfunction of primary Interlock switch RESULT No continuity Adjust or replace 1 Convection heater is not heated 2 Convection fan and motor does not rotate Check D C...

Страница 24: ...lay does not count down or up with time cooking or clock operation 5 Oven is programmable and cooks normally but no display shows 6 Display obviously jumps in time while counting down 7 Display counts down noticeably too fast while cooking 8 Display does not show the time of day when clear button is touched 9 Oven lamp and turn table motor do not stop although cooking is finished Check if the RELA...

Страница 25: ...for the water temperature to attain 20 C 2 C is measured The oven is then switched off and the final water temperature is measured within 60s NOTE 1 The water stirred is before its temperature is measured NOTE 2 Stirring and measuring devices are to have a low heat capacity 4 The microwave power output is calculated from the formula where P is the microwave power output in watts mW is the mass of ...

Страница 26: ...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 seem is unknown move the probe more slowly 4 When measuring near a corner of the door keep the probe perpendicular to the areas making sure the probe end at the base of the cone does not get closer than ...

Страница 27: ... reading Meter with 6V 9V or higher voltage batteries should be used to check the front back resistance of the diode otherwise an infinite resistance may be read in both directions A normal diode s resistance will be infinite in one direction and several hundred k Ω in the other direction 4 Magnetron For complete magnetron diagnosis refer to Measurement of the Microwave Power Output Continuity che...

Страница 28: ...BI 4 COMBI 5 CONVECTION100 130 CONVECTION140 150 CONVECTION160 250 ONE CAKE BREAD TOUCH CRUSTY ROAST BEEF ROAST CHICKEN ROAST PORK BAKED FISH AUTO BAKED POTATO MODE BAKED POTATO ROAST POTATO FRESH VEGETABLES FROZEN VEGETABLES CASSEROLE MAGNE TRON UPPER ELEMENT LOWER ELEMENT REAR ELEMENT CONVEC TION FAN ...

Страница 29: ...28 10 WIRING DIAGRAM ...

Страница 30: ... to 6 Disassembly and assembly 3 TOTAL ASSEMBLY A00 B00 F15 F17 F18 F56 F55 F19 F20 F21 F66 F23 F57 F58 F45 F46 F47 F48 F24 F25 F26 F27 F28 F41 F42 F43 F44 F40 F39 F63 F65 F64 F62 F14 F13 F12 F11 F61 F60 F59 F29 F01 F03 F02 F04 F05 F06 F07 F08 F09 F10 F16 F54 F53 F52 F51 F50 F49 F37 F36 F38 F35 F34 F33 F32 F31 F30 F22 ...

Страница 31: ...3700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F21 3518118920 TRANS HV DT R11A0 1BT S 1 F22 4415A66600 SW MICRO VP 532A OF SPNC 187 200G 1 F23 3512718350 HARNESS MAIN KOC 924T9A 1 F24 3512767600 HARNESS CONVECTION KOC 924T0S 1 F25 3511407900 COVER B SA1A 80 T0 5 1 F26 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 F27 3511407300 COVER MOTOR B SA1D 80 T0 5 1 F28 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 ...

Страница 32: ...13601500 LAMP BL 125V 25W T25 C5A H187 1 F55 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 F56 3966821200 MOTOR SYNCRO 120V 60HZ 2W KX63MQ2AD 1 F57 3518003420 MAGNETRON RM228JFP 1 F58 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 1 F59 3511408300 COVER WAVE GUIDE MICA T0 35 1 F60 3517401900 COUPLER PTFE 1 F61 3516112320 CAVITY AS KOC 924T0S 1 F62 3511407910 INSULATOR COVER B PBT 1 F63 3518902600 THERMO...

Страница 33: ...luctuation 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 Voltage load AC 17 0 V AC 1 3 V AC 1 3 V Voltage no load AC 19 9 V AC 1 6 V AC 1 6 V NO CHECK POINT REMARK 1 IC1 PIN 20 21 5VDC 5 2 IC1 PIN 22 3 IC1 PIN 8 OR 9 T 16 67 ms 60Hz 5V 0V T T 250 ns 4MHz 5V 0V ...

Страница 34: ... indicator in display comes on Cause RELAY 1 does not operate 3 When touching M W button oven lamp turn on and turns on and fan motor does not rotate but cook indicator in display comes on Cause RELAY 5 does not operate STATE RELAY 1 ON RELAY 1 OFF POINT A 5V DC GND POINT B GND 24V DC M W D8 Q4 B A RY1 16 STATE RELAY 4 ON RELAY 4 OFF POINT A 5V DC GND POINT B GND 24V DC LAMP TRAY D11 Q7 B A RY4 23...

Страница 35: ...perate 5 Case of no heating of convection grill When touching CONVECTION button oven lamp turns on and Fan motor and turntable rotate and cook indicator in display comes on Cause RELAY 3 does not operate STATE RELAY 2 ON RELAY 2 OFF POINT A 5V DC GND POINT B GND 24V DC TOP GRILL D9 Q5 B A RY2 17 STATE RELAY 3 ON RELAY 3 OFF POINT A 5V DC GND POINT B GND 24V DC CONV GRILL D11 Q4 B A RY3 18 ...

Страница 36: ...operation the count down timer does not stop POINT STATE DOOR OPEN DOOR CLOSED A OPEN CLOSE B 5V DC GND CN1 1 2 D6 C1 5V R3 C2 3 R2 A B D O M SW CHECK NO METHOD REMEDY Check the stage ON OFF of the door open 1 monitor switch by resistance Replace door open monitor swith measurement ...

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

Страница 38: ...R CARBON FILM R12 1 6W 47K 5 RD AZ473J 1 29 R CARBON FILM R9 13 16 27 1 6W 100K 5 RD AZ104J 6 30 R CARBON FILM R4 1 6W 1M 5 RD AZ105J 1 31 R METAL FILM R8 1 4W 10K 1 RN 4Z1002F 1 32 R METAL FILM R10 1 4W 120K 1 RN 4Z1203F 1 33 RESONATOR CERA CR1 CRT4 00MS 5P4R00MTS 1 34 IC MICOM IC1 HD404318S 147S924T00 1 35 TRANSISTOR Q1 KTA 1266Y TZTA1266Y 1 36 TRANSISTOR Q2 4 10 KRC 106M TZRC106M 8 37 TRANSISTO...

Страница 39: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE Feb 2003 ...

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