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Содержание KOR-1A8Q0A

Страница 1: ... No R1A8Q1A002 http svc dwe co kr Aug 2004 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: ...oor 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 e A microwave leakage check to verify compliance with the Federal performance standard should be per formed on each oven prior to release to the owner TABLE OF CONTENTS SAFETY AND PRECAUTIONS 3 FOR SAFE OPERATION 3 FOR SAF...

Страница 3: ...cing the oven 2 If any 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 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 o...

Страница 4: ...MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 539x300x405 mm 21 2x11 8x16 0 in CAVITY DIMENSIONS W X H X D 354x228x373 mm 13 9x9 0x14 7 in NET WEIGHT Approx 15 5 kg 34 2 Ibs TIMER 59 min 99 sec FUNCTION SELECTIONS MICROWAVE POWER SELECTIONS 10 LEVELS CAVITY VOLUME 1 1 Cu Ft SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE SPECIFICATIONS ...

Страница 5: ...EXTERNAL VIEW 1 OUTER DIMENSION 5 ...

Страница 6: ... outlet from splashes of cooking foods 5 OVEN LAMP Automatically turns on during oven operating 6 SAFETY INTERLOCK SYSTEM 7 CONTROL PANEL 8 GLASS COOKING TRAY Made of special heat resistant glass The tray must always be in proper position before operating Do not cook food directly on the tray 9 OVEN FRONT PLATE 10 DOOR OPENING BUTTON To open the door push the door opening button When door is close...

Страница 7: ...ed 3 One touch Used to cook or reheat specific quantities of food 4 Auto cook Used to cook or reheat 5 More Used to add time to cooking 6 Less Used to remove time from cooking 7 Auto Defrost Used to defrost foods for weight 8 Power Used to set power level 9 Defrost Used to defrost foods for time 10 Kitchen Timer Used as minute timer delay cooking hold setting after cooking 11 Clock Used to set clo...

Страница 8: ...f approximately 12 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 rat...

Страница 9: ...during the oven operatiion the oven stops cooking and all information retained To erase all information except the present time touch the STOP CLEAR pad once more If the oven door is opened during the oven operation all information is retained 10 If the START pad is touched and the oven does not operate check the area between the door and door seal for obstruc tions and make sure the door is close...

Страница 10: ...ginning 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 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 du...

Страница 11: ...ward 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 door assembly perform a check of correct alignment with the hinge and cavity front plate ...

Страница 12: ...05900 BARRIER SCREEN O PET T0 25 1 A02 3512204310 FRAME DOOR ABS XR 401 H 2938 1 A03 3515202900 STOPPER HINGE T AS KOR 121M0A 1 A04 3511711300 DOOR PAINTING AS KOR 1A1G0A 1 A05 3517005800 BARRIER SCREEN I PE T0 1 1 A06 3512301900 GASKET DOOR PP 1 A07 3513100700 HOOK POM 1 A08 3515101300 SPRING HOOK PW1 1 A02 A01 A04 A03 A06 A05 A07 A08 Caution In this Service Manual some parts can be changed for i...

Страница 13: ... and then push the door to contact the door seal to oven front surface Tighten two screws 3 To reduce gap located on part C Loosen a screw on interlock switch assembly located top of oven body Draw the interlock switch assembly inward as possible to engage with hook on the door bottom Tighten a screw 4 To reduce gap located on part D Loosen a screw on interlock switch assembly located bottom of ov...

Страница 14: ...or reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK B01 3518570980 SWITCH MEMBRANE KOR 1A8Q0A 1 B02 3516722310 CONTROL PANEL ABS AF 345 HFA 700HT 1 B03 3514321900 PCB AS KOR 1A8Q0A 1 B04 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 4 B05 3513702800 LEVER DOOR OPEN ABS XR 401 H 2938 1 B06 441G430171 BUTTON SPRING SWP DIA 0 7 1 B07 3516907910 BUTTON DOOR OPEN ABS AF 345 HFA 700HT 1 B07 B0...

Страница 15: ...age circuit wiring 7 To remove magnetron 1 Remove a screw which secure the magnetron 2 Remove the magnetron 3 Reverse the above steps for reassembly NOTE Never install the magnetron without the metallic gasket plate which is packed with each magnetron to pre vent microwave leakage Whenever repair work is carried out on magnetron check the microwave leakage It shall not exceed 4mW cm2 for a fully a...

Страница 16: ... assembly 3 Pull the fan from the motor shaft 4 Remove two screws which secure the motor shaded pole 5 Remove the motor shaded pole 6 Reverse the above steps for reassembly 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 17: ...k pushes the lock lever downward The lock lever presses the button of the interlock monitor switch to bring it under NO condition and presses the button of the secondary interlock switch to bring it under ON condition 3 Adjustment steps a Loosen the two mounting screws b Adjust interlock switch assembly position c Make sure that lock lever moves smoothly after adjustment is completed d Tighten com...

Страница 18: ...ted of the terminals and power cord before check the parts listed below CONDITION CHECK Check continuity of interlock monitor switch with door closed Check continuity of of primary interlock switch contact with door partially open until interlock moni tor switch contact close Malfunction of interlock moni tor switch Shorted con tacts of primary interlock switch RESULT Continuity No Continuity Repl...

Страница 19: ...inuity Adjust or replace Check D C voltage being sup plied to RELAY RY2 coil Defective touch control circuit 0 V Replace Faulty contacts of RELAY RY2 or open relay coil Approx 15 VDC Replace Display do not shown countdown Malfunction of sec ondary interlock switch Replace Check continuity of power supply cord Open power sup ply cord No Continuity Replace Defective touch control circuit Normal Repl...

Страница 20: ...place Connect megger leads to mag netron terminal and magnetron body Continuity Defective mag netron Replace Check resistance of primary and secondary coil of high voltage transformer 0 Ω or Defective high voltage trans former Replace Check continuity of magnetron with wires removed No Continuity Defective mag netron Replace Check continuity of filament termi nal of high voltage transformer No Con...

Страница 21: ... down 9 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when cancel pad is touched 11 Oven lamp and turntable motor do not stop although cooking is finished Check if the RELAY 2 contacts close if they are close replace touch control circuit LOCK NO CUPS OZ lb ST AGE DEF ROST AUTO ST ART 1 2 WEI GHT TIM E NOTE Before following the particular steps list...

Страница 22: ...essel 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 following Heating time is measured while the microwave generator is operating at full power The filament heat up time for magnetron is not included 6 The initial and final temperature of water is selecte...

Страница 23: ...inet 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 2 ...

Страница 24: ...meter 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 sever...

Страница 25: ...25 1 KOR 1A8Q0A ...

Страница 26: ...26 2 KOR 1A8Q1A ...

Страница 27: ... 23 4 IC 1 PIN 8 OR 9 NOTE Each measure point must be measured with GND points NOTE Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power source voltage NOTE The allowable tolerance of the secondary voltage is within 5 of norminal voltage 0V 4 3V 5V 0V Terminal Voltage 4 7 LOAD AC 12 6 V NO LOAD AC 14 7 V NO MEASURE POINT WAVE FORM REMEDY REMARK 1 MP1 ...

Страница 28: ...28 Bottom View ...

Страница 29: ...ST CUPS don t come on Digit 3 G3 14 30 TIME DEFROST doesn t come on Digit 4 G4 12 33 AUTO START g don t come on Digit 5 G5 13 29 SEGMENT a doesn t come on from G1 to G5 SEGMENT a 7 20 SEGMENT b doesn t come on from G1 to G5 SEGMENT b 6 19 SEGMENT c doesn t come on from G1 to G5 SEGMENT c 5 18 SEGMENT d doesn t come on from G1 to G5 SEGMENT d 4 17 SEGMENT e doesn t come on from G1 to G5 SEGMENT e 3...

Страница 30: ... Check method STATE POINT A RELAY 2 ON GND RELAY 2 OFF 12VDC D8 1N4002A B Q11 KRC106M A 39 MGT RY IC1 2 A B C2 104 V1 R16 10K R15 D6 1N4148M YW396 02V CN1 D O M C1 473 R17 1K 1K 37 DOM IC1 1 STATE POINT A B RELAY 1 ON 5VDC GND RELAY 1 OFF GND 12VDC STATE POINT A B 1 DOOR OPEN OPEN 5VDC 2 DOOR CLOSED CLOSE GND CHECK NO METHOD REMEDY 1 Check the stage ON OFF of the secondary interlock switch by Repl...

Страница 31: ...ck does not operate properly If clock does not keep exact time you must check resistor R15 16 zener diodeZD1 LVT1 A D12 1N148M R22 10K R21 4 7K ZD2 5 1V C5 104 23 EXINT IC1 POINT WAVE FORM A 4 3V GND T T 20ms 50Hz 16 67ms 60Hz ...

Страница 32: ...32 2 PCB CIRCUIT DIAGRAM CN1 D O M INSERT ONLY KOR 121QOD POP CORN BAKED POTATO FRESH VEGETABLE SOUP ...

Страница 33: ...Diode 3 Digital Transistor Emitter Collector Base Q9 DIODE Cathode K ZENER DIODE Cathode K ANODE A ANODE A ZD1 ZD2 D1 D6 D8 D14 R1 R2 Emitter BASE Collector R1 4 7K 4 7K RESISTOR TYPE KRC106M KRA110M R2 47K Internal circuit Emitter Collector Base Q1 Q8 Q11 Q13 ...

Страница 34: ...34 4 PRINTED CIRCUIT BOARD ...

Страница 35: ...52 3514315400 1 18 LED DISPLAY DP1 DDG611Q DDDG611Q00 1 19 CARRAY CA1 F6 102Z CN6XB 102M 1 20 TRANSISTOR Q9 KTA1270Y TZTA1270Y 1 21 TRANSISTOR Q1 Q5 KRA110M TZRA110M 5 22 TRANSISTOR Q6 Q8 Q11 Q13 KRC106M TZRC106M 6 23 CONNECTOR WAFER CN1 YW396 02V 3519150520 1 24 CONNECTOR WAFER CN3 YM396 05AV 3519150510 1 25 CONNECTOR WAFER CN2 FCZ254 11 441M367160 1 26 BUZZER BZ1 BM 20K 3515600100 1 27 REGULATOR...

Страница 36: ...36 1 DOOR ASSEMBLY Refer to Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY 1 KOR 1A8Q0A EXPLODED VIEW AND PARTS LIST ...

Страница 37: ...V DW R11A0 1BT 1 F22 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F23 3510312400 BASE SBHG T0 8 1 F24 7112401011 SCREW TAPPING T1TRS 4 10 MFZN 5 F25 3512100900 FOOT PP DASF 130 2 F26 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F27 3515202800 STOPPER HINGE U AS SCP 1 T2 5 1 F28 3512716800 HARNESS MAIN KOR 1A1G0A 1 F29 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F30 4415A66600 SW MICRO VP 532A...

Страница 38: ...38 2 KOR 1A8Q1A ...

Страница 39: ...3516003700 SPECIAL SCREW TT3 HEX 4 8 FLG MFZN 4 F22 3510312400 BASE SBHG T0 7 1 F23 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 5 F24 3512100900 FOOT PP DASF 130 2 F25 7272400811 SCREW TAPTITE TT3 TRS 4 8 MFZN 1 F26 3515202800 STOPPER HINGE U AS KOR 121M0A 1 F27 3512716810 HARNESS MAIN KOR 1A1G1A 1 F28 4415A17352 SW MICRO VP 533A OF SPNO 187 200G 1 F29 4415A66910 SW MICRO VP 531A OF SZM V16 FA 61 1 ...

Страница 40: ...S M NO R1A8Q1A002 DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC ...

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