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MODEL

KOC-9N4T7S, 9N4T7S24,

KOC-9N5T7R

9N5T7S, 9N5T7S21

POWER SUPPLY

230V~50Hz, SINGLE PHASE WITH EARTHING

MICROWAVE 1450W

POWER CONSUMPTION

GRILL 850W

CONVECTION 2250W

1450W

COMBINATION 2950W

1450W

MICROWAVE ENERGY OUTPUT

900W (IEC 705)

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. 18Kg (39.6 lbs.)

TIMER 60

minutes

FUNCTION SELECTIONS

Microwave / Grill / Convection / Combination

POWER SELECTIONS

10 LEVELS

CAVITY VOLUME

1.0 Cu. Ft

MODEL

KOC-9N7T7S, 9N7T7S21, 9N7T7SA2

POWER SUPPLY

230V~50Hz, SINGLE PHASE WITH EARTHING

MICROWAVE 1450W

POWER CONSUMPTION

GRILL 850W

CONVECTION 2250W

COMBINATION 2950W

MICROWAVE ENERGY OUTPUT

900W (IEC 705)

MICROWAVE FREQUENCY

2450MHz

OUTSIDE DIMENSIONS (W X H X D)

542X329X514.1mm(21.3X13.0X20.2 in.)

CAVITY DIMENSIONS (W X H X D)

350X230X355mm(13.8X9.1X14.0 in.)

NET WEIGHT

Approx. 18Kg (39.6 lbs.)

TIMER 60

minutes

FUNCTION SELECTIONS

Microwave / Grill / Convection / Combination/

Barbeque(KOC-9N7T7SA2 ONLY)

POWER SELECTIONS

10 LEVELS

CAVITY VOLUME

1.0 Cu. Ft

* SPECIFICATION ARE SUBJECT TO CHANGE WITHOUT NOTICE.

2. SPECIFICATIONS

Содержание KOC-9N4T7S

Страница 1: ...S21 KOC 9N7T7S KOC 9N7T7S21 KOC 9N7T7SA2 S M No OC9N4T7001 Jun 2005 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 ...

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: ...ction Combination POWER SELECTIONS 10 LEVELS CAVITY VOLUME 1 0 Cu Ft MODEL KOC 9N7T7S 9N7T7S21 9N7T7SA2 POWER SUPPLY 230V 50Hz SINGLE PHASE WITH EARTHING MICROWAVE 1450W POWER CONSUMPTION GRILL 850W CONVECTION 2250W COMBINATION 2950W MICROWAVE ENERGY OUTPUT 900W IEC 705 MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 542X329X514 1mm 21 3X13 0X20 2 in CAVITY DIMENSIONS W X H X D 350X230X35...

Страница 5: ...4 3 EXTERNAL VIEW 542 329 514 1 1 OUTER DIMENSION 1 KOC 9N4T 9N5T 2 KOC 9N7T ...

Страница 6: ...perating 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 cooking 11 CONVECTION ...

Страница 7: ... 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 operate the oven if it...

Страница 8: ...ly 2 2 Auto cook Used to cook or reheat 3 3 Combi Used to select combi 4 4 Weight Defrost Press to select the weight defrosting cooking KOC 9N4T7S 9N4T7S24 9N5T7S 9N5T7R 9N5T7S21 9N7T7S 9N7T7S21 only Auto Defrost Press to select the auto defrosting cooking KOC 9N7T7SA2 only 5 5 Grill Used to select grill 6 6 MW Used to set power level of micro wave 7 7 Time Defrost Press to select the time defrost...

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 fuse is blown out due ...

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

Страница 11: ...1 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 3 To remove door parts 1 KOC 9N4T 9N5T 1 Remove the gasket door from door plate 2 Remove the door frame from door plate 3 Remove screws from door frame 4 Remove the handle from door frame 5 Remove the decorator door from door frame 6 Remove the stopper...

Страница 12: ... 3512606010 HANDLE DOOR ABS SG 0760D SG 175 1 2 KOC 9N7T 1 Remove the gasket door from door plate 2 Remove the door frame from door plate 3 Remove screws from door frame 4 Remove the handle from door frame 5 Remove the decorator door from door frame 6 Remove the stopper hinge top from door plate 7 Remove the spring and the hook 8 Remove barrier screen outer from door frame 9 Reverse the above step...

Страница 13: ...inge 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 gap may be acceptable if the microwave leakage does not exceed 4mW cm2 ...

Страница 14: ... SPRAY 1 B01 B02 B03 B04 B05 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 P...

Страница 15: ...16909090 BUTTON FUNCTION B 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 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...

Страница 16: ...913710 BUTTON FUNCTION B 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 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 P...

Страница 17: ...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 18: ... 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 19: ...PPING T1 TRS 4X10 MFZN 1 2 3512520500 GUIDE AIR OUTLET SA1D T0 5 1 3 3512804900 HEATER REFLECTOR STS430 T0 5 1 4 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 2 5 3510607700 BRACKET HEATER T SA1D T0 5 2 6 3512805800 HEATER MIRACLON 230V 800W 270MM 1 7 3511410300 COVER HEATER T SA1D T0 5 1 Caution In this Service Manual some parts can be changed for improving their performance without notice in the par...

Страница 20: ...SCREW TAPPING T1 TRS 4 10 MFZN 1 3 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 4 3511407900 COVER B SA1D 80 T0 5 1 5 3512767611 HARNESS CONVECTION KOC 924T0S ALTERNATE 1 6 7113400814 SCREW TAPPING T1 BIN 4 8 MFNI 4 8 3511409800 COVER HEATER B SA1D 80 T0 5 1 7 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 1 11 3513...

Страница 21: ... 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 22: ...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 23: ...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 24: ...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 25: ... 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 26: ...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 27: ...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 28: ...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 29: ...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 30: ...29 4 COMPONENT ACTION COOKING MODE MAGNE UPPER REAR CONVEC TRON ELEMENT ELEMENT TION FAN M W GRILL COMBI CONVECTION ROAST PORK ROAST BEEF ROAST CHICKEN BAKED FISH FRESH VEGETABLES MANUAL MODE AUTO MODE ...

Страница 31: ...30 10 WIRING DIAGRAM 1 KOC 9N4T7S 9N4T7S24 9N5T7S 9N5T7R 9N5T7S21 9N7T7S 9N7T7S21 ...

Страница 32: ...31 2 KOC 9N7T7SA2 ...

Страница 33: ...32 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 ...

Страница 34: ... KOC 961C0S 117MM 1 F05 3517401900 COUPLER PTFE 1 F06 3511408300 COVER WAVE GUIDE MICA T0 35 1 F07 3516117001 CAVITY AS KOC 9N4T7S 1 F08 3510607700 BRACKET HEATER T SA1D 80 T0 5 1 F09 3512805800 HEATER MIRACLON 230V 800W 270MM 1 F10 3511410300 COVER HEATER T SA1D 80 T0 5 1 F11 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 F12 3512520500 GUIDE AIR OUTLET SA1D 80 T0 5 1 F13 3512804900 HEATER REFLECTOR...

Страница 35: ...TION SA1D 80 T0 5 1 F42 3512801800 HEATER 230V 1400W 1R18344 1 F43 3513002300 HOLDER HEATER SUS304 T0 5 3 F44 7402704600 RING C CR 5 SK5 1 F45 3512780901 HARNESS MAIN KOC 9N4T7S 1 F46 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F47 3518003700 MAGNETRON 2M218JFL 6CF 1 F48 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 2 F49 3513601600 LAMP BL 240V 25W T25 C7A H187 1 F50 3513702100 LEVER SW MIC...

Страница 36: ...6 HK36M6F 1 F70 3514801400 SENSOR TEMPERATURE PTM K312 D7 1 F71 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 F72 3517605700 UTENSIL BAR AS KOC 910K0S01 1 KOC 9N7T7SA2 ONLY F73 441BE15203 MOTOR SYNCRO GM 20 24FDB2 1 KOC 9N7T7SA2 ONLY F74 3512300301 GASKET C2700W T1 0 1 KOC 9N7T7SA2 ONLY F75 7113400814 SCREW TAPPING T1 BIN 4 8 MFNI 1 KOC 9N7T7SA2 ONLY F76 3512521200 GUIDE ROTARY TEFRON 1 KOC 9N7T7SA2...

Страница 37: ... 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 NO CHECK POINT REMARK 1 IC1 PIN 26 27 5VDC 5 2 IC1 PIN 28 3 IC1 PIN 8 OR 9 T 20 ms 50Hz 5V 0V T T 250 ns 4MHz 5V 0V T...

Страница 38: ...37 MEASUREPOINT MP1 GND MP2 ...

Страница 39: ... indicator in display comes on Cause RELAY 4 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 Q5 B A RY1 16 STATE RELAY 4 ON RELAY 4 OFF POINT A 5V DC GND POINT B GND 24V DC LAMP TRAY D14 Q8 B A RY4 23...

Страница 40: ...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 Q6 B A RY2 32 STATE RELAY 3 ON RELAY 3 OFF POINT A 5V DC GND POINT B GND 24V DC CONV GRILL D13 Q7 B A RY3 33 ...

Страница 41: ...peration the count down timer does not stop POINT STATE DOOR OPEN DOOR CLOSED A OPEN CLOSE B 5V DC GND CN1 1 2 D6 R17 5V R6 C9 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 ...

Страница 42: ...41 13 P C B CIRCUIT DIAGRAM ...

Страница 43: ...SJ4 85801052GY WIRE COPPER 1 0 52 TIN COATING 1 KOC 9N7T7SA2 ONLY 18 SJ5 85801052GY WIRE COPPER 1 0 52 TIN COATING 1 19 SJ7 85801052GY WIRE COPPER 1 0 52 TIN COATING 1 20 SJ8 85801052GY WIRE COPPER 1 0 52 TIN COATING 1 21 CR1 5P4R00MTS RESONATOR CERA CRT 4 00MS 1 22 EC1 CEXE1H100A C ELECTRO 50V RS 10MF 5X11 TP 1 23 EC2 CEXF1H101V C ELECTRO 50V RSS 100MF 8X11 5 TP 1 24 EC3 CEXF1H221V C ELECTRO 50V ...

Страница 44: ...IODE 1N4148 AUTO 52MM 1 55 D05 DZN4148 DIODE 1N4148 AUTO 52MM 1 56 D06 DZN4148 DIODE 1N4148 AUTO 52MM 1 57 D08 DZN4148 DIODE 1N4148 AUTO 52MM 1 58 D09 DZN4148 DIODE 1N4148 AUTO 52MM 1 59 D10 DZN4004A DIODE KN4004A AUTO 52MM 1 60 D11 DZN4004A DIODE KN4004A AUTO 52MM 1 61 D12 DZN4148 DIODE 1N4148 AUTO 52MM 1 62 D13 DZN4148 DIODE 1N4148 AUTO 52MM 1 63 D14 DZN4148 DIODE 1N4148 AUTO 52MM 1 64 D15 DZN41...

Страница 45: ...4 85801052GY WIRE COPPER 1 0 52 TIN COATING 1 94 J25 85801052GY WIRE COPPER 1 0 52 TIN COATING 1 95 J26 85801052GY WIRE COPPER 1 0 52 TIN COATING 1 96 J27 85801052GY WIRE COPPER 1 0 52 TIN COATING 1 97 J28 85801052GY WIRE COPPER 1 0 52 TIN COATING 1 98 J29 85801052GY WIRE COPPER 1 0 52 TIN COATING 1 99 J30 85801052GY WIRE COPPER 1 0 52 TIN COATING 1 100 R01 RD AZ104J R CARBON FILM 1 6 100K OHM J 1...

Страница 46: ... FILM 1 2 27 OHM J SMALL 1 131 ZD1 DZUZ3R3BSB DIODE ZENER UZ 3 3BSB 3 32 3 53V 1 132 ZD2 DZUZ3R9BSB DIODE ZENER UZ 3 9BSB 3 92 4 14 1 133 ZD3 DZUZ5R6BSB DIODE ZENER UZ 5 6BSB 5 46 5 70V 1 134 ZD4 DZUZ24BSB DIODE ZENER UZ 24BSB 22 75 23 73V 1 135 CN101 4CW215RBD0 CONN WAFER HLEM15R 1 1 136 SW109 5S10302005 SW ROTARY EC12E24204A8 1 137 WF1 WSJ 159007 WIRE FLAT 15 90 WH C 1 138 SW101 5S50101Z93 SW TA...

Страница 47: ...S M NO OC9N4T7001 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 Jun 2005 ...

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