Daewoo KOR-868G Скачать руководство пользователя страница 11 | Manualshive

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1. To remove cabinet

1) Remove three screws on cabinet back.
2) Push the cabinet backward.

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.

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Содержание KOR-868G

Страница 1: ...Service Manual Model KOR 868G Microwave Oven MAY 2007 S M No R868G7A001 ...

Страница 2: ...itor 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 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 2 1 FOR SAFE OPERATION 2...

Страница 3: ...r to servicing the oven 2 If any certified oven unit is found to have excessive emission level 5mw cm2 the serevice 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 operates wi...

Страница 4: ...AVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W X H X D 495 x 294 x 388 mm 19 5 x 11 6 x 15 3 in CAVITY DIMENSIONS W X H X D 320 x 228 x 388 mm 12 6 x 9 0 x 13 3 in NET WEIGHT Approx 14 kg 30 9 Ibs TIMER 59 min 99 sec FUNCTION SELECTIONS MICROWAVE POWER SELECTIONS 10 LEVELS CAVITY VOLUME 0 9 Cu Ft SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE SPECIFICATIONS ...

Страница 5: ...4 EXTERNAL VIEW 1 OUTER DIMENSION 495 384 294 ...

Страница 6: ...e 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 clos...

Страница 7: ...ed to set power level 5 DEFROST Used to defrost foods by time 6 CLOCK Used to set clock 7 TIME SET PAD Used to set the cooking time and the present time 8 REHEAT MEAL Used to reheat meal or dinner plate 9 STOP CLEAR Used to stop the oven operation or to delete the cooking data 0 START SPEEDY COOK Used to start a selected operation and also increase the reheat time by 30 seconds 3 CONTROL PANEL ...

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: ...n the CANCEL pad is touched during the oven operatiion the oven stops cooking and all information retained To erase all information except the present time touch the CANCEL pad once more If the oven door is opened during the oven operation all information is retained 11 If the START pad is touched and the oven does not operate check the area between the door and door is closed securely The oven wi...

Страница 10: ...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 15A fuse is blown out due to...

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: ...D 1 A02 2TE16A27CL DOUBLE TAPE 0 16T X 27MM CLEAR 550M A03 3517008200 BARRIER SCREEN O SAN T1 5 1 A04 3515204100 STOPPER HINGE T AS KOR 63150S 1 A05 3511711800 DOOR PAINTING AS KOR 866T0S 1 A06 3517006000 BARRIER SCREEN I PE 0 1T 1 A07 3512302000 GASKET DOOR PP 1 A08 3513100700 HOOK POM 1 A09 3515101300 SPRING HOOK PW1 1 ...

Страница 13: ...or to contact the door seal to oven front surface Tighten two screws 1 Remove the gasket door from door painting as 2 Remove the barrier screen inner from door painting as 3 Remove the door frame from door painting as 4 Remove the stopper hinge top from door painting as 5 Remove the spring and the hook 6 Remove the supporter barrier screen outer from door frame 7 Remove the barrier screen outer fr...

Страница 14: ...40 MEMBRANE KOR 868G7S 1 B03 441G430171 SPRING BUTTON SWP DIA 0 7 1 B04 3516729700 CONTROL PANEL ABS SG 175 SG 0760D 1 B05 3516911100 BUTTON FUNCTION A ABS SG 175 SG 0760D 1 B06 PKMPMSAQ20 MAIN PCB AS KOR 868G7S 1 B07 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 5 B08 3516911200 BUTTON FUNCTION B ABS SG 175 SG 0760D 1 B09 3513703100 LEVER DOOR OPEN PP 1 ...

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: ...ever 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 mounting screws b Adjust interlock switch assembly position Actuation distance of primary and secondary interlock switch shall be adjusted almost 0 mm c Make sure that lock lever moves smoothl...

Страница 18: ...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 No Continui...

Страница 19: ...uity 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 12 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 Replac...

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: ...y jumps in time while counting down 9 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when the clear 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 NOTE Before following the particular steps listed above in the troubleshooting ...

Страница 22: ...vessel 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 select...

Страница 23: ...net 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 i...

Страница 24: ... 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 KΩ in the other direction 4 Magnetron For complete magnetron diagnosis refer to Measurement of the Microwave Power Output Continuity chec...

Страница 25: ...24 WIRING DIAGRAM ...

Страница 26: ...OR 32 NOTE Each measure point must be measured with GND points NOTE 1 Refer to Circuit Diagram point 4 2 Secondary side voltage of the low voltage transformer changes in proportion to fluctuation of power source voltage 3 The allowable tolerance of the secondary voltage is within 5 of nominal voltage Terminal Voltage 4 7 LOAD AC 25 8 V NO LOAD AC 28 4 V NO MEASURE POINT WAVE FORM REMEDY REMARK 1 M...

Страница 27: ...26 Measure Point ...

Страница 28: ... 4 When the door is opened during operation the count down timer does not stop refer to Circuit Diagram Point 1 Check method 5 When the digital clock does not operate properly refer to Circuit Diagram Point 5 If clock does not keep exact time you must check resistor R15 16 zener diode ZD1 STATE POINT A B RELAY 2 ON 5VDC GND RELAY 2 OFF GND 12VDC STATE POINT A B RELAY 1 ON 5VDC GND RELAY 1 OFF GND ...

Страница 29: ...28 2 PCB CIRCUIT DIAGRAM ...

Страница 30: ...31J 7 16 RESISTOR R8 10 12 14 22 1 6W 1K 5 RD AZ102J 5 17 RESISTOR R11 20 21 1 6W 100K 5 RD AZ104J 3 18 RESISTOR R13 1 6W 200K 5 RD AZ201J 1 19 RESISTOR R15 16 1 6W 10K 5 RD AZ103J 2 20 RESISTOR R17 1 6W 510 5 RD AZ511J 1 21 RESISTOR R18 1 6W 1M 5 RD AZ105J 1 22 RESISTOR R19 1 4W 51 5 RD AZ510J 1 23 RESISTOR R23 1 6W 4 7K 5 RD AZ472J 1 24 REGULATOR VL1 MC7905C 1MC7905C 1 25 TRANSISTOR Q1 5 9 11 KR...

Страница 31: ... ASSEMBLY Refer to Disassembly and assembly 3 TOTAL ASSEMBLY EXPLODED VIEW AND PARTS LIST F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31 F32 F33 F34 F35 F36 F37 F39 F38 F40 F41 F42 F43 F01 F02 F03 F04 F05 F06 F07 F08 F09 B00 A00 F10 ...

Страница 32: ...F19 3518300800 CAPACITOR HV 2100VAC 0 82UF 187 65MM 1 F20 3518400400 DIODE HV AS HVR 1X 3AB 12KV 187 1 F21 3518114721 TRANS HV DT N90A0 86T 1 F22 3516003700 SPECIAL SCREW TT3 HEX 4X8 FLG MFZN 4 F23 3510311900 BASE SBHG T0 8 1 F24 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 5 F25 3512100900 FOOT PP DASF 130 2 F26 7272400811 SCREW TAPTITE TT3 TRS 4X8 MFZN 1 F27 3515201101 STOPPER HINGE U SCP 1 T2 5 1 ...

Страница 33: ...S M NO R868G7A001 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 SPET 2006 ...

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