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33

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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).

NO 

PART CORD 

PART NAME 

DESCRIPTION 

Q'TY 

REMARK

F71 3510313600 

BASE 

SBHG 

T0.8 

1 

F72 

7272400811 

SCREW TAPTITE 

TT3 TRS 4X8 MFZN 

1 

F73 

3515202800 

STOPPER HINGE *U AS 

KOR-121M0A 

1 

F74 

7121400611 

SCREW TAPPING 

T1 PAN 4*6 MFZN 

1 

F75 

3966031110 

MOTOR SYNCRO 

220/240V 50/60 SM16 HK36M6F 

1 

F76 

3518902900 

THERMOSTAT 

OFF:140 ON:125 V #187 

1

F77 

7121300611 

SCREW TAPPING 

T2S PAN 3X6 MFZN 

1 

F78 3514801400 SENSOR 

TEMPERATURE 

PTM-K312-D7 

1 

F79 

7112401011 

SCREW TAPPING 

T1 TRS 4*10 MFZN 

1 

Содержание KOC-9N2T7S

Страница 1: ... 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 Service Manual Microwave Oven Model KOC 9N2T7S KOC 9N2T7S24 KOC 9N3T7S KOC 9N3T7R KOC 9N3T7S24 S M No OC9N2T7001 ...

Страница 2: ... for 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 SAFETY AND PRECAUTIONS 2 2 SPECIFICATIONS 3 3 EXTERNAL VIEW 4 3 1 OUTER DIMENSION 4 3 ...

Страница 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 the owner 3 attempt to ascertain the cause of the excessive leakage 4 tell the owner of the unit not to use the unit until the oven has been brought into compliance 3 If the oven operates with the door o...

Страница 4: ...IONS MICROWAVE GRILL CONVECTION COMBINATION POWER SELECTIONS 10 LEVELS CAVITY VOLUME 1 0 Cu Ft MODEL KOC 9N3T7R POWER SUPPLY 230V 50HZ SINGLE PHASE WITH EARTHING MICROWAVE 1450W 850W POWER GRILL CONSUMPTION CONVECTION 1450W COMBINATION 1450W MICROWAVE ENERGY OUTPUT 900W IEC705 MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 542X329X503mm 21 3X13 0X19 8 in CAVITY DIMENSIONS W X H X D 350X2...

Страница 5: ...3 EXTERNAL VIEW 1 OUTER DIMENSION 542 503 329 4 ...

Страница 6: ...s 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 oven for all cook...

Страница 7: ...ified This appliance is supplied with cable of special type which if damaged 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 misaligned door broken door or a dent in cavity If any of the above are visible DO NOT INSTALL and notify dealer immediately 7 Do not op...

Страница 8: ...ock When lighting the oven is CHILD LOCK Con vection When blinking the oven is operating in CONVECTION g When blinking the oven is operating in weight input mode 2 Auto cook Used to cook or reheat 3 Clock Used to set clock 4 Time Defrost Used to defrost foods 5 Weight Defrost Used to defrost foods 6 MW Used to set power level of micro wave 7 Convection Used to select convection and selected temp 8...

Страница 9: ...n blinking the oven is operating in CONVECTION g When blinking the oven is operating in weight input mode 2 Auto cook Used to cook or reheat 3 Combi Used to select combi 4 Convection Used to select convection and selected temp 5 MW Used to set power level of micro wave 6 Grill Used to select grill 7 Time Defrost Used to defrost foods 8 Weight Defrost Used to defrost foods 9 Clock Used to set clock...

Страница 10: ...ing 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 du...

Страница 11: ...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 NOTE After replacing the door assembly perform a check of correct alignment with the hinge and cavity front plate 10 ...

Страница 12: ...2 0 1 A04 3516602200 DOOR PLATE SBHG 3A T0 7 1 A05 3517007000 BARRIER SCREEN I TEMP GLASS T2 0 1 A06 3512302400 GASKET DOOR PBT 1 A07 3513101200 HOOK POM 1 A08 3515101800 SPRING HOOK PW1 1 KOC 9N2T7S24 9N3T7S24 11 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 Pr...

Страница 13: ...e 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 two screws NOTE A small ga...

Страница 14: ... 3516909980 BUTTON FUNCTION D ABS SG 175 SG 0760D SPRAY 1 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 B10 which secure the PCB Main ASS Y 3 Pull out the Main PCB assembly B09 4 Remove seven screws B08 which secure the PCB Sub ASS Y 5 Pull out the Sub PCB assembly B07 6 Pull out the Knob volume B06 from the...

Страница 15: ...control panel push up two snap fits and draw forward the control panel assembly 2 Remove four screws which secure the PCB assembly to control panel 3 Disconnect membrane tail from the connector of the PCB assembly 4 Detach membrane from the control panel 5 Reverse the above steps for reassembly Caution In this Manual some parts can be changed for improving their performance without notice in the p...

Страница 16: ...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 17: ... 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 18: ...500 GUIDE AIR OUTLET SA1D 1 3 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 4 3510607700 BRACKET HEATER T SA1D 1 5 7S432X4081 SPECIAL SCREW TT3 TRS 4 8 SE MFZN 1 6 3510607700 BRACKET HEATER T SA1D 1 7 3512805800 HEATER MIRACLON 230V 800W 270MM 1 8 3511410300 COVER HEATER T SA1D 1 9 3512804900 HEATER REFLECTOR SUS 430 10 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 2 2 1 3 4 5 6 7 8 10 9 Caution In th...

Страница 19: ...1D 1 3 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 4 3511407900 COVER B SA1D 1 5 3512767611 HARNESS CONVECTION KOC 924T0S 1 6 7112400811 SCREW TAPPING T1 TRS 4 8 MFZN 4 7 3513303400 INSULATOR HEATER B SBHG 1 8 7601400811 SCREW TAPPING PAN 4 8 PW MFZN 2 9 3511409800 COVER HEATER B SAID 1 10 3513002300 HOLDER HEATER SUS430 3 11 7113400814 SCREW TAPPING T1 BIN 4 8 MFNI 3 12 3512801800 HEATER 230V 140...

Страница 20: ... 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 21: ...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 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 conta...

Страница 22: ... 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 being supplied to RELAY RY4 coil Fault contacts of RELAY RY4 or open relay coil Replace Check continuity of secondary inte...

Страница 23: ...ads to magnetron terminal and magnetron body Continuity Defective 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 No continuity 2 Check continuity of magnetron heater with wires removed No continuity Defective magnetron Replace 1 Check continuity o...

Страница 24: ... 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 25: ...play 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 REL...

Страница 26: ...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 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 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 28: ...ter 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 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...

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

Страница 31: ...mbly 3 TOTAL ASSEMBLY F60 F59 F57 F56 A00 F71 F70 F69 F74 F72 F73 B00 F75 F65 F68 F67 F58 F62 F64 F63 F55 F01 F05 F02 F03 F04 F06 F07 F53 F54 F52 F24 F20 F21 F19 F09 F10 F11 F15 F13 F12 F18 F35 F66 F51 F47 F48 F49 F37 F36 F45 F25 F26 F44 F27 F30 F40 F29 F42 F38 F33 F31 F32 F34 F14 F16 F17 F61 F78 F79 F77 F76 F22 F50 F46 F43 F08 F39 F23 F41 F28 ...

Страница 32: ...1 F08 7S432X4081 SPECIAL SCREW TT3 TRS 4X8 SE MFZN 1 F09 3510607700 BRACKET HEATER SA1D 80 T0 5 1 F10 3512805800 HEATER MIRACLON 230V 800W 270MM 1 F11 3511410300 COVER HEATER T SA1D 80 T0 5 1 F12 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 F13 3512520500 GUIDE AIR OUTLET SA1D 80 T0 5 1 F14 3512804900 HEATER REFLECTOR STS430 T0 5 1 F15 7113400814 SCREW TAPPING T1 BIN 4X8 MFNI 2 F16 7112401011 SCREW...

Страница 33: ...09800 COVER HEATER B SA1D 80 T0 5 1 F45 3513002300 HOLDER HEATER SUS304 T0 5 3 F46 7113400814 SCREW TAPPING T1 BIN 4X8 MFNI 3 F47 3512801800 HEATER 230V 1400W 1R18344 1 F48 7400104011 WASHER PLAIN PW 1 4 MFZN 1 F49 3511800700 FAN CONVECTION SA1D 80 T0 5 1 F50 7S627W40X1 SPECIAL SCREW NUT FLANGE M4 MFZN 1 F51 3512780901 HARNESS MAIN KOC 9N4T7S 1 F52 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACR...

Страница 34: ...D PART NAME DESCRIPTION Q TY REMARK F71 3510313600 BASE SBHG T0 8 1 F72 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F73 3515202800 STOPPER HINGE U AS KOR 121M0A 1 F74 7121400611 SCREW TAPPING T1 PAN 4 6 MFZN 1 F75 3966031110 MOTOR SYNCRO 220 240V 50 60 SM16 HK36M6F 1 F76 3518902900 THERMOSTAT OFF 140 ON 125 V 187 1 F77 7121300611 SCREW TAPPING T2S PAN 3X6 MFZN 1 F78 3514801400 SENSOR TEMPERATURE P...

Страница 35: ...oltage transformer changes in proportion 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 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 T 20 ms 50Hz 5V 0V T T 250 ns 4MHz 5V 0V T NO MEASURE POINT WAVE FORM REME...

Страница 36: ...35 MEASURE POINT OF KOC 9N2T7S R MP1 GND MP2 ...

Страница 37: ...36 MP1 GND MP2 MEASURE POINT OF KOC 9N3T7S R ...

Страница 38: ... 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 D7D7 KOC 9N3T7S R D8D8 KOC 9N2T7S R Q5 KOC 923T9S R B A RY1 KOC 9N3T7S R RY2 KOC 9N2T7S R 30 STATE RELAY 4 ON RELAY 4 OFF POINT A 5V DC GND POINT B GND 24V DC LAMP TRAY B A RY4 KOC 9N3T7S R RY5 KOC 9N2T7S R D11 KOC 9N3T7S R D14 KOC 9N2T7...

Страница 39: ...p 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 B A RY2 KOC 9N3T7S R RY3 KOC 9N2T7S R D8 KOC 9N3T7S R D9 KOC 9N2T7S R Q6 KOC 9N2T7S R Q7 KOC 9N3T7S R 32 STATE RELAY 3 ON RELAY 3 OFF POINT A 5V DC GND POINT B GND 24V DC CONV GRILL B A RY3 KOC 9N3T7S R RY4 K...

Страница 40: ... not stop KOC 9N2T7S R KOC 9N3T7S R POINT STATE DOOR OPEN DOOR CLOSED A OPEN CLOSE B 5V DC GND CN1 2 1 D6 5V R3 C1 15 R4 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 CN1 1 2 C5 5V R9 C9 3 R10 A B D O M SW R11 D6 ...

Страница 41: ...40 13 P C B CIRCUIT DIAGRAM KOC 9N2T7S R ...

Страница 42: ...41 KOC 9N3T7S R ...

Страница 43: ... DIODE ZENER ZD1 UZ 3 3BSB DZUZ3R3BSB 1 16 DIODE ZENER ZD3 UZ 5 6BSB DZUZ5R6BSB 1 17 DIODE ZENER ZD4 UZ 24BSB DZUZ24BSB 1 18 DIODE ZENER ZD2 UZ 3 9BSB DZUZ3R9BSB 1 19 DISPLAY VFD DP1 SVM 5MS06 DSVM5MS06 1 20 HOLDER VFD PP 3513002000 1 21 PCB MAIN M264 MAIN PCB 3514330110 1 22 R ARRAY RA1 3 8P 7 1 8 100K J RA 88X104J 2 23 R ARRAY RA2 7P 6 1 8 100K J 24 R CARBON FILM R31 1 2W 27 5 RD 2Z270JS 1 25 R ...

Страница 44: ...ING 85801052GY 8 7 5mm 46 WIRE COPPER J2 6 9 12 13 17 20 26 27 29 1 0 52 TIN COATING 85801052GY 14 10mm 47 WIRE COPPER J4 14 16 21 23 1 0 52 TIN COATING 85801052GY 7 12 5mm 48 WIRE FLAT WF1 15 90 WH C WSJ 159007 1 49 SELECTION JUMPER SJ5 7 8 1 0 52 TIN COATING 85801052GY 3 ONLY FOR KOC 9N2T7S 1 PCB SUB M265 SUB PCB 3514330210 1 2 CONNECTOR FILM CN101 HLEM15R 1 4CW215RBD0 1 3 SW TACT SW101 108 110 ...

Страница 45: ...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 July 2006 ...

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